RGB
rgb(100, 108, 144)
HSL
hsl(230, 18%, 48%)
Metrics
S 18% · L 48%
Contrast (WCAG)
on white
5.1:1AA
on black
4.1:1AA Large
About this color
Indigo Core Muted (#646C90) belongs to the blue family — hue 230°, 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-indigo-core-muted: #646C90; --colorarchive-indigo-core-muted-hsl: hsl(230, 18%, 48%); --colorarchive-indigo-core-muted-rgb: rgb(100, 108, 144); }
Palette moves
Instead of stopping at one swatch, use nearby, opposite, and tonal neighbors to branch into a broader palette.
Lighter companion
Indigo Radiant Muted
#757C9F · hsl(230, 18%, 54%)
Darker companion
Indigo Velvet Muted
#585E7E · hsl(230, 18%, 42%)
Complementary counterpoint
Amber Core Muted
#908964 · hsl(50, 18%, 48%)
Analogous lead
Violet Core Muted
#6C6490 · hsl(250, 18%, 48%)
Analogous echo
Sapphire Core Muted
#647A90 · hsl(210, 18%, 48%)
Triadic +120°
Merlot Core Muted
#90646C · hsl(350, 18%, 48%)
Triadic +240°
Leaf Core Muted
#6C9064 · hsl(110, 18%, 48%)
Split-comp +150°
Ember Core Muted
#907364 · hsl(20, 18%, 48%)
Split-comp +210°
Olive Core Muted
#829064 · hsl(80, 18%, 48%)
Export preview
Base: Indigo Core Muted #646C90 Lighter companion: Indigo Radiant Muted #757C9F Darker companion: Indigo Velvet Muted #585E7E Complementary counterpoint: Amber Core Muted #908964 Analogous lead: Violet Core Muted #6C6490 Analogous echo: Sapphire Core Muted #647A90 Triadic +120°: Merlot Core Muted #90646C Triadic +240°: Leaf Core Muted #6C9064 Split-comp +150°: Ember Core Muted #907364 Split-comp +210°: Olive Core Muted #829064
Nearest neighbors
The closest archive matches by hue, saturation, and lightness.
Nearby match
Indigo Velvet Muted
#585E7E · hsl(230, 18%, 42%)
Nearby match
Indigo Radiant Muted
#757C9F · hsl(230, 18%, 54%)
Nearby match
Indigo Core Soft
#515FA4 · hsl(230, 34%, 48%)
Nearby match
Indigo Tone Muted
#878DAB · hsl(230, 18%, 60%)
Nearby match
Indigo Dusk Muted
#474C66 · hsl(230, 18%, 34%)
Nearby match
Cobalt Core Muted
#647390 · hsl(220, 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.
Ready to build
Turn these colors into design tokens
ColorArchive packs include CSS variables, Figma tokens, Tailwind config, and Procreate swatches — ready to drop into any project.
