Skip to content
ColorArchive
RGB
rgb(64, 69, 79)
HSL
hsl(220, 10%, 28%)
CMYK
cmyk(19%, 13%, 0%, 69%)
Metrics
S 10% · L 28%
Contrast (WCAG)
on white
9.6:1AA
on black
2.2:1Fail
Sign in to saveStart palette from thisRecent trail

About this color

Cobalt Shadow Faint (#40454F) belongs to the blue family — hue 220°, 10% saturation, 28% 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-cobalt-shadow-faint: #40454F;
  --colorarchive-cobalt-shadow-faint-hsl: hsl(220, 10%, 28%);
  --colorarchive-cobalt-shadow-faint-rgb: rgb(64, 69, 79);
}

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.

Export preview
Base: Cobalt Shadow Faint #40454F
Lighter companion: Cobalt Dusk Faint #4E545F
Darker companion: Cobalt Nocturne Faint #2E3138
Complementary counterpoint: Apricot Shadow Faint #4F4A40
Analogous lead: Iris Shadow Faint #40404F
Analogous echo: Azure Shadow Faint #404A4F
Triadic +120°: Garnet Shadow Faint #4F4045
Triadic +240°: Moss Shadow Faint #454F40
Split-comp +150°: Ruby Shadow Faint #4F4340
Split-comp +210°: Honey Shadow Faint #4C4F40

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

Color Vision Simulation

How this color appears with different color vision deficiencies.

Full simulator
Deuteranopia
#42424C
Protanopia
#42424D
Tritanopia
#404B4A
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.