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.

CollectionsFamiliesNotesGuidesFree ResourcesConvertColorblindAboutSupportUpdates
Ready for static export
Privacy·Terms·Refunds·Cookies·Commerce Disclosure
colorarchive.org · © 2026 ColorArchive
Skip to content
ColorArchive
ProLog in
ArchiveAll ColorsCollections
Color detail

Sapphire Core Muted

Blue · Hue 210
Hex
#647A90
RGB
rgb(100, 122, 144)
HSL
hsl(210, 18%, 48%)
CMYK
cmyk(31%, 15%, 0%, 44%)
Metrics
S 18% · L 48%
Contrast (WCAG)
on white
4.4:1AA Large
on black
4.7:1AA
Sign in to saveStart palette from thisRecent trail

About this color

Sapphire Core Muted (#647A90) belongs to the blue family — hue 210°, 18% saturation, 48% 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-sapphire-core-muted: #647A90;
  --colorarchive-sapphire-core-muted-hsl: hsl(210, 18%, 48%);
  --colorarchive-sapphire-core-muted-rgb: rgb(100, 122, 144);
}

AI Color Names

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

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
Sapphire Radiant Muted
#758A9F · hsl(210, 18%, 54%)
Darker companion
Sapphire Velvet Muted
#586B7E · hsl(210, 18%, 42%)
Complementary counterpoint
Coral Core Muted
#907A64 · hsl(30, 18%, 48%)
Analogous lead
Indigo Core Muted
#646C90 · hsl(230, 18%, 48%)
Analogous echo
Cerulean Core Muted
#648990 · hsl(190, 18%, 48%)
Triadic +120°
Blush Core Muted
#90647A · hsl(330, 18%, 48%)
Triadic +240°
Lime Core Muted
#7A9064 · hsl(90, 18%, 48%)
Split-comp +150°
Crimson Core Muted
#906464 · hsl(0, 18%, 48%)
Split-comp +210°
Citrine Core Muted
#909064 · hsl(60, 18%, 48%)
Export preview
Base: Sapphire Core Muted #647A90
Lighter companion: Sapphire Radiant Muted #758A9F
Darker companion: Sapphire Velvet Muted #586B7E
Complementary counterpoint: Coral Core Muted #907A64
Analogous lead: Indigo Core Muted #646C90
Analogous echo: Cerulean Core Muted #648990
Triadic +120°: Blush Core Muted #90647A
Triadic +240°: Lime Core Muted #7A9064
Split-comp +150°: Crimson Core Muted #906464
Split-comp +210°: Citrine Core Muted #909064

Nearest neighbors

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

Search by hex
Nearby match
Sapphire Core Faint
#6E7A87 · hsl(210, 10%, 48%)
Nearby match
Sapphire Core Dust
#5B7A9A · hsl(210, 26%, 48%)
Nearby match
Sapphire Velvet Muted
#586B7E · hsl(210, 18%, 42%)
Nearby match
Sapphire Radiant Muted
#758A9F · hsl(210, 18%, 54%)
Nearby match
Cool Gray Core
#737A82 · hsl(210, 6%, 48%)
Nearby match
Steel Core Muted
#647E90 · hsl(205, 18%, 48%)

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
AA Large4.3:1
Coral Veil Faint
#FAFAF9
AA Large4.3:1
Coral Veil Muted
#FBFAF9
AA Large4.3:1
Coral Veil Dust
#FBFAF9
AA Large4.3:1
Coral Veil Soft
#FCFAF8
AA Large4.3:1
Coral Veil Clear
#FDFAF7
AA Large4.3:1
Coral Veil Vivid
#FEFAF6

Color Vision Simulation

How this color appears with different color vision deficiencies.

Full simulator
Deuteranopia
#6D6B8A
Protanopia
#6E6E8B
Tritanopia
#658786
Ready to build

Turn these colors into design tokens

ColorArchive Pro includes CSS variables, Figma tokens, Tailwind config, and Procreate swatches — ready to drop into any project.

Upgrade to ProFree downloadView collections

Related colors

More from Blue

Search
Cerulean Ink Faint#202627 · hsl(190, 10%, 14%)Cerulean Nocturne Faint#2E3638 · hsl(190, 10%, 20%)Cerulean Shadow Faint#404C4F · hsl(190, 10%, 28%)Cerulean Dusk Faint#4E5C5F · hsl(190, 10%, 34%)Cerulean Velvet Faint#607276 · hsl(190, 10%, 42%)Cerulean Core Faint#6E8387 · hsl(190, 10%, 48%)Cerulean Radiant Faint#7E9295 · hsl(190, 10%, 54%)Cerulean Tone Faint#8FA0A3 · hsl(190, 10%, 60%)