#0C101E#0C101E

#0C101E is a very dark, muted blue. Relative luminance 0.005; OKLCH L 17.7% C 0.030 H 271.0°. Best body text is #FFFFFF at 18.95:1 contrast (WCAG AA passes).

Color values

HEX	#0C101E
RGB	rgb(12, 16, 30)
HSL	hsl(227, 43%, 8%)
HSV	hsv(227, 60%, 12%)
CMYK	cmyk(60%, 46.7%, 0%, 88.2%)
CIE-LAB	lab(4.90, 2.28, -9.71)
CIE-LCH	lch(4.90, 9.97, 283.20°)
OKLab	oklab(17.68% 0.0005 -0.0298)
OKLCH	oklch(17.68% 0.03 271)
XYZ	xyz(0.5712, 0.5425, 1.3027)
Luminance	0.0054 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C101E #1E1A0C

analogous

#0C191E #0C101E #110C1E

triadic

#0C101E #1E0C10 #101E0C

tetradic

#0C101E #1E0C19 #1E1A0C #0C1E11

square

#0C101E #1E0C19 #1E1A0C #0C1E11

split-complementary

#0C101E #1E110C #191E0C

monochromatic

#090C16 #090C16 #0C101E #1D274A #2F3F75

Accessibility & contrast

On white

18.95

#0C101E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#0C101E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C101E

18.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C101E	#FFFFFF	#000000	##FFFFFF
##0C101E	1.00	18.95	1.11	18.95
#FFFFFF	18.95	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B111F

Deuteranopia (green-blind)

#09101E

Tritanopia (blue-blind)

#061315

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #0c101e;
/* rgb */ color: rgb(12, 16, 30);
/* oklch */ color: oklch(17.7% 0.030 271.0);

Tailwind

colors: {
  custom: {
    50: '#4c4e59',
    500: '#0c101e',
    950: '#000000',
  },
}

SCSS

$custom: #0c101e;
$custom-light: #4c4e59;
$custom-dark: #000000;

JSON

{
  "hex": "#0c101e",
  "rgb": {
    "r": 12,
    "g": 16,
    "b": 30
  },
  "hsl": {
    "h": 226.667,
    "s": 42.857,
    "l": 8.235
  },
  "oklch": {
    "l": 0.17679,
    "c": 0.02976,
    "h": 271
  },
  "luminance": 0.00542
}

Semantic roles & 50–950 ramp

primary

#0C101E

secondary

#574E2F

accent

#B755D3

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010103

muted

#777778

Preview Lab

Preview with #0C101E

Body copy rendered with the generated semantic roles for this colour.

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