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Crimson Tone Bright
Color detail

Crimson Tone Bright

Red · Hue 0
Hex
#EF4343
RGB
rgb(239, 67, 67)
HSL
hsl(0, 84%, 60%)
CMYK
cmyk(0%, 72%, 72%, 6%)
Metrics
S 84% · L 60%
Contrast (WCAG)
on white
3.8:1AA Large
on black
5.6:1AA
Save to journalSign in to saveStart palette from thisRecent trail

About this color

Crimson Tone Bright (#EF4343) belongs to the red family — hue 0°, 84% saturation, 60% 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-crimson-tone-bright: #EF4343;
  --colorarchive-crimson-tone-bright-hsl: hsl(0, 84%, 60%);
  --colorarchive-crimson-tone-bright-rgb: rgb(239, 67, 67);
}

AI Color Names

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

Design Context

PassionateEnergeticUrgent
Common in

Food & Beverage · Entertainment · Retail

Pairs well with

White for high contrast CTAs, dark navy for sophistication, or gold for luxury

Design tip

Best for call-to-action buttons and sale banners. Use sparingly — red as a primary color can feel aggressive; as an accent, it commands attention.

Cultural context ▶

Red is universally associated with energy and action. In China, it signifies luck and prosperity. In Western markets, it drives urgency in sales.

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 vivid mid-tone — distinctive enough to anchor an identity, saturated enough to demand a quiet supporting palette.

Lightness band: At mid-lightness the hue carries its full character. This is the band where most identity colors live: bright enough to be distinctive at small sizes, deep enough to sit cleanly on a white canvas.

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 #EF4343.

  • Discordaccent
    DND Red · #ED4245
    →
  • Googleprimary
    Google Red · #EA4335
    →
  • Microsoftprimary
    Office Orange · #F25022
    →

Cultures using a similar color

From the cultural-palette catalog, these regions feature a color close to #EF4343.

  • VietnamÁo Dài Pink
    #E94175 · Traditional silk dye
    →
  • JapanPersimmon (kaki 柿)
    #D44A2C · Diospyros kaki fruit dye
    →
  • AustraliaUluru Ochre
    #C9472B · Iron-oxide weathering, Uluru sandstone
    →

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
Crimson Silk Bright
#F26969 · hsl(0, 84%, 68%)
Darker companion
Crimson Radiant Bright
#EC2727 · hsl(0, 84%, 54%)
Complementary counterpoint
Aqua Tone Bright
#43EFEF · hsl(180, 84%, 60%)
Analogous lead
Tangerine Tone Bright
#EF8B43 · hsl(25, 84%, 60%)
Analogous echo
Garnet Tone Bright
#EF437C · hsl(340, 84%, 60%)
Triadic +120°
Emerald Tone Bright
#43EF43 · hsl(120, 84%, 60%)
Triadic +240°
Iris Tone Bright
#4343EF · hsl(240, 84%, 60%)
Split-comp +150°
Jade Tone Bright
#43EF99 · hsl(150, 84%, 60%)
Split-comp +210°
Sapphire Tone Bright
#4399EF · hsl(210, 84%, 60%)
Export preview
Base: Crimson Tone Bright #EF4343
Lighter companion: Crimson Silk Bright #F26969
Darker companion: Crimson Radiant Bright #EC2727
Complementary counterpoint: Aqua Tone Bright #43EFEF
Analogous lead: Tangerine Tone Bright #EF8B43
Analogous echo: Garnet Tone Bright #EF437C
Triadic +120°: Emerald Tone Bright #43EF43
Triadic +240°: Iris Tone Bright #4343EF
Split-comp +150°: Jade Tone Bright #43EF99
Split-comp +210°: Sapphire Tone Bright #4399EF

Compare

See how Crimson Tone Bright compares side by side with related colors.

vsCrimson Silk BrightvsCrimson Radiant BrightvsAqua Tone BrightvsTangerine Tone BrightvsGarnet Tone BrightvsEmerald Tone Bright

Nearest neighbors

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

Search by hex
Nearby match
Crimson Tone Pure
#F73B3B · hsl(0, 92%, 60%)
Nearby match
Crimson Radiant Bright
#EC2727 · hsl(0, 84%, 54%)
Nearby match
Crimson Tone Vivid
#E44E4E · hsl(0, 74%, 60%)
Nearby match
Scarlet Tone Bright
#EF5243 · hsl(5, 84%, 60%)
Nearby match
Crimson Silk Bright
#F26969 · hsl(0, 84%, 68%)
Nearby match
Crimson Radiant Pure
#F61E1E · hsl(0, 92%, 54%)

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
AA4.5:1
Cobalt Ink Vivid
#091B3E
AA4.5:1
Cobalt Ink Bright
#061A42
AA4.5:1
Cobalt Ink Pure
#031945
AA4.5:1
Indigo Ink Soft
#181C30
AA4.6:1
Indigo Ink Clear
#101737
AA4.8:1
Indigo Ink Vivid
#09123E

Color Vision Simulation

How this color appears with different color vision deficiencies.

Full simulator
Deuteranopia
#C5CF43
Protanopia
#BEBD43
Tritanopia
#EA4343
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