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
Sapphire Core Muted#647A90
Cobalt Radiant Muted#75839F
VS

Sapphire Core Muted vs Cobalt Radiant Muted

A detailed comparison of #647A90 and #75839F — near identical colors

Contrast & Accessibility

1.16:1contrast ratio
✗ AA Normal✗ AA Large✗ AAA Normal✗ AAA Large
Text on Sapphire Core Muted
Text on Cobalt Radiant Muted

Color Properties

#647A90
HEX
#75839F
rgb(100, 122, 144)
RGB
rgb(117, 131, 159)
hsl(210, 18%, 48%)
HSL
hsl(220, 18%, 54%)
210°
Hue
220°
18%
Saturation
18%
48%
Lightness
54%
Blue
Family
Blue
Hue Diff
10\u00B0 — Near identical

Gradient Blend

background: linear-gradient(to right, #647A90, #75839F);

Using These Colors Together

With a contrast ratio of 1.16:1, 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 10\u00B0 hue difference, making them near identical. They create a harmonious, cohesive palette ideal for subtle variations in a design system.

Sapphire Core Muted
view_detail →
Cobalt Radiant Muted
view_detail →

Related Comparisons

Sapphire Core Muted vs Coral Core Muted
#647A90 · #907A64
Cobalt Radiant Muted vs Apricot Radiant Muted
#75839F · #9F9175
Indigo Core Muted vs Cobalt Radiant Muted
#646C90 · #75839F
Sapphire Core Muted vs Amethyst Radiant Muted
#647A90 · #78759F
Indigo Core Muted vs Amethyst Radiant Muted
#646C90 · #78759F