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Ruby Shadow Bright
Color detail

Ruby Shadow Bright

Red · Hue 10
Hex
#831F0B
RGB
rgb(131, 31, 11)
HSL
hsl(10, 84%, 28%)
CMYK
cmyk(0%, 76%, 92%, 49%)
Metrics
S 84% · L 28%
Contrast (WCAG)
on white
9.7:1AA
on black
2.2:1Fail
Save to journalSign in to saveStart palette from thisRecent trail

About this color

Ruby Shadow Bright (#831F0B) belongs to the red family — hue 10°, 84% saturation, 28% lightness. Copy the hex, RGB, or HSL value above, or paste the CSS custom property below into your stylesheet to reference this color directly.

CSS
:root {
  --colorarchive-ruby-shadow-bright: #831F0B;
  --colorarchive-ruby-shadow-bright-hsl: hsl(10, 84%, 28%);
  --colorarchive-ruby-shadow-bright-rgb: rgb(131, 31, 11);
}

AI Color Names

Let AI suggest alternative poetic names for this color in English and Chinese.

Design Context

PowerfulSophisticatedDramatic
Common in

Wine & Spirits · Luxury Fashion · Fine Dining

Pairs well with

Gold accents, ivory backgrounds, or deep charcoal for editorial elegance

Design tip

Ideal for dark themes and premium product pages. Pair with generous whitespace to let the richness breathe.

Cultural context ▶

Deep reds like burgundy and maroon evoke maturity, wealth, and tradition. Common in academic institutions and heritage brands.

Color Origins

Red family

The first pigment, the loudest signal.

Heritage

Red is the oldest pigment in the human visual record. Ochre reds appear in burial sites from 75,000+ years ago; Roman red lead (minium) lit Pompeian walls; cinnabar drove a millennium of trade across Asia and the Mediterranean. Madder, kermes, and cochineal — the three classical reds — built fortunes and emptied empires before synthetic alizarin arrived in 1869 and collapsed the price overnight.

Across cultures

In China red signals fortune and weddings, painted on doors and lanterns and given in money envelopes. In much of South Asia red is the bridal color (saris, sindoor) for the same reason. Western traditions split red between love (Valentine's) and danger (stoplights, balance sheets). Across the Christian liturgy red marks martyrdom and Pentecost; across cinema it has long marked the femme fatale.

In the wild

Coca-Cola has used essentially the same red since 1886. Netflix and YouTube engineered their reds to pop maximally on dark UI. Christian Louboutin trademarked a single red — Pantone 18-1663 — on the soles of his shoes. Ferrari's racing red began as the Italian national racing color (Rosso Corsa). Nearly every emergency stop button on every machine ever made is red, and the convention is so universal it functions as international iconography.

How it reads

Red advances. On a page it draws the eye first; in a UI it implies destructive action or urgent state. Increasing saturation pushes it toward warning; reducing saturation moves it toward earthen, terra-cotta, comfort. Pairing red with white reads as energetic and consumer-facing; pairing it with black reads cinematic and luxurious; pairing it with cream reads as heritage or hospitality.

This particular tone

A jewel tone — saturated and dark at once. This is the register of velvet, deep enamel, and old-world luxury.

Lightness band: At this depth the hue starts behaving like a neutral — it can substitute for black in many contexts while still carrying a faint chromatic temperature. It pairs especially well with off-whites and warm metallics.

Saturation band: At this saturation the color is doing work. It reads as a brand statement, a sport accessory, or a UI signal. It should be used in small, deliberate doses against quieter neighbors; large fields at this saturation will exhaust the eye.

Brands using a similar color

Within the public brand-guidelines reference catalog, these are the closest matches to #831F0B.

  • Coca-Colaneutral
    Pantone 484 (depth) · #9C2A2C
    →
  • Aesopprimary
    Aesop Amber · #5C2E1F
    →
  • Slackprimary
    Aubergine · #4A154B
    →

Cultures using a similar color

From the cultural-palette catalog, these regions feature a color close to #831F0B.

  • China (Traditional)Plum Red (梅子)
    #9B2335 · Plum blossom, Song poetry
    →
  • EgyptHematite Red
    #A8201A · Iron oxide tomb-wall pigment
    →
  • JapanTorii Vermillion (朱)
    #A52821 · Cinnabar lacquer on Shinto gates
    →

Tonal strip

All lightness levels at this hue and saturation. Click any to navigate.

Palette moves

Instead of stopping at one swatch, use nearby, opposite, and tonal neighbors to branch into a broader palette.

Lighter companion
Ruby Dusk Bright
#A0260E · hsl(10, 84%, 34%)
Darker companion
Ruby Nocturne Bright
#5E1608 · hsl(10, 84%, 20%)
Complementary counterpoint
Cerulean Shadow Bright
#0B6F83 · hsl(190, 84%, 28%)
Analogous lead
Coral Shadow Bright
#83470B · hsl(30, 84%, 28%)
Analogous echo
Merlot Shadow Bright
#830B1F · hsl(350, 84%, 28%)
Triadic +120°
Mint Shadow Bright
#0B831F · hsl(130, 84%, 28%)
Triadic +240°
Violet Shadow Bright
#1F0B83 · hsl(250, 84%, 28%)
Split-comp +150°
Teal Shadow Bright
#0B835B · hsl(160, 84%, 28%)
Split-comp +210°
Cobalt Shadow Bright
#0B3383 · hsl(220, 84%, 28%)
Export preview
Base: Ruby Shadow Bright #831F0B
Lighter companion: Ruby Dusk Bright #A0260E
Darker companion: Ruby Nocturne Bright #5E1608
Complementary counterpoint: Cerulean Shadow Bright #0B6F83
Analogous lead: Coral Shadow Bright #83470B
Analogous echo: Merlot Shadow Bright #830B1F
Triadic +120°: Mint Shadow Bright #0B831F
Triadic +240°: Violet Shadow Bright #1F0B83
Split-comp +150°: Teal Shadow Bright #0B835B
Split-comp +210°: Cobalt Shadow Bright #0B3383

Compare

See how Ruby Shadow Bright compares side by side with related colors.

vsRuby Dusk BrightvsRuby Nocturne BrightvsCerulean Shadow BrightvsCoral Shadow BrightvsMerlot Shadow BrightvsMint Shadow Bright

Nearest neighbors

The closest archive matches by hue, saturation, and lightness.

Search by hex
Nearby match
Ruby Shadow Pure
#891C06 · hsl(10, 92%, 28%)
Nearby match
Ruby Dusk Bright
#A0260E · hsl(10, 84%, 34%)
Nearby match
Ruby Shadow Vivid
#7C2413 · hsl(10, 74%, 28%)
Nearby match
Scarlet Shadow Bright
#83150B · hsl(5, 84%, 28%)
Nearby match
Vermillion Shadow Bright
#83290B · hsl(15, 84%, 28%)
Nearby match
Ruby Nocturne Bright
#5E1608 · hsl(10, 84%, 20%)

Accessible pairings

Archive colors that meet WCAG contrast standards when paired with this color. Use as text-on-background or background-on-text.

Contrast checker
AAA9.3:1
Cerulean Veil Faint
#F9FAFA
AAA9.3:1
Cerulean Veil Muted
#F9FBFB
AAA9.3:1
Cerulean Veil Dust
#F9FBFB
AAA9.3:1
Cerulean Veil Soft
#F8FBFC
AAA9.4:1
Cerulean Veil Clear
#F7FCFD
AAA9.4:1
Cerulean Veil Vivid
#F6FCFE

Color Vision Simulation

How this color appears with different color vision deficiencies.

Full simulator
Deuteranopia
#6B7013
Protanopia
#676612
Tritanopia
#801616
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