We're live on Product Hunt!Support us
ColorArchive

A curated color library with 5,000+ algorithmically generated colors. Browse, search, save favorites, and export palette tokens — no account required.

CollectionsFamiliesBrandsRegionsJournalNotesGuidesFree ResourcesConvertColorblindAboutSupportUpdates
Ready for static export
Privacy·Terms·Refunds·Cookies·Commerce Disclosure
colorarchive.org · © 2026 ColorArchive
Skip to content
ColorArchive
ProLog in
ArchiveAll ColorsCollections
Indigo Core Muted#646C90
Steel Core Muted#647E90
VS

Indigo Core Muted vs Steel Core Muted

A detailed comparison of #646C90 and #647E90 — analogous colors

Contrast & Accessibility

1.21:1contrast ratio
✗ AA Normal✗ AA Large✗ AAA Normal✗ AAA Large
Text on Indigo Core Muted
Text on Steel Core Muted

Color Properties

#646C90
HEX
#647E90
rgb(100, 108, 144)
RGB
rgb(100, 126, 144)
hsl(230, 18%, 48%)
HSL
hsl(205, 18%, 48%)
230°
Hue
205°
18%
Saturation
18%
48%
Lightness
48%
Blue
Family
Blue
Hue Diff
25\u00B0 — Analogous

Gradient Blend

background: linear-gradient(to right, #646C90, #647E90);

Using These Colors Together

With a contrast ratio of 1.21:1, this pair does not meet WCAG guidelines for text. Use these colors as adjacent blocks, gradients, or decorative accents rather than text-on-background pairings.

These colors have a 25\u00B0 hue difference, making them analogous. They create a harmonious, cohesive palette ideal for subtle variations in a design system.

Indigo Core Muted
view_detail →
Steel Core Muted
view_detail →

Related Comparisons

Indigo Core Muted vs Amber Core Muted
#646C90 · #908964
Steel Core Muted vs Tangerine Core Muted
#647E90 · #907764
Violet Core Muted vs Steel Core Muted
#6C6490 · #647E90
Violet Core Muted vs Indigo Core Muted
#6C6490 · #646C90