#0C101F#0C101F

#0C101F is a very dark, muted blue. Relative luminance 0.005; OKLCH L 17.8% C 0.032 H 271.5°. Best body text is #FFFFFF at 18.93:1 contrast (WCAG AA passes).

Color values

HEX	#0C101F
RGB	rgb(12, 16, 31)
HSL	hsl(227, 44%, 8%)
HSV	hsv(227, 61%, 12%)
CMYK	cmyk(61.3%, 48.4%, 0%, 87.8%)
CIE-LAB	lab(4.95, 2.61, -10.41)
CIE-LCH	lch(4.95, 10.74, 284.07°)
OKLab	oklab(17.75% 0.0008 -0.0317)
OKLCH	oklch(17.75% 0.032 271.5)
XYZ	xyz(0.5842, 0.5476, 1.3710)
Luminance	0.0055 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C101F #1F1B0C

analogous

#0C191F #0C101F #110C1F

triadic

#0C101F #1F0C10 #101F0C

tetradic

#0C101F #1F0C19 #1F1B0C #0C1F11

square

#0C101F #1F0C19 #1F1B0C #0C1F11

split-complementary

#0C101F #1F110C #191F0C

monochromatic

#090B16 #090B16 #0C101F #1D274B #2E3E77

Accessibility & contrast

On white

18.93

#0C101F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#0C101F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C101F

18.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C101F	#FFFFFF	#000000	##FFFFFF
##0C101F	1.00	18.93	1.11	18.93
#FFFFFF	18.93	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B1220

Deuteranopia (green-blind)

#09101F

Tritanopia (blue-blind)

#061316

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #0c101f;
/* rgb */ color: rgb(12, 16, 31);
/* oklch */ color: oklch(17.8% 0.032 271.5);

Tailwind

colors: {
  custom: {
    50: '#4c4e5a',
    500: '#0c101f',
    950: '#000000',
  },
}

SCSS

$custom: #0c101f;
$custom-light: #4c4e5a;
$custom-dark: #000000;

JSON

{
  "hex": "#0c101f",
  "rgb": {
    "r": 12,
    "g": 16,
    "b": 31
  },
  "hsl": {
    "h": 227.368,
    "s": 44.186,
    "l": 8.431
  },
  "oklch": {
    "l": 0.1775,
    "c": 0.03173,
    "h": 271.5
  },
  "luminance": 0.00548
}

Semantic roles & 50–950 ramp

primary

#0C101F

secondary

#584F2F

accent

#B954D4

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010103

muted

#777778

Preview Lab

Preview with #0C101F

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

Preview Lab → · Contrast checker → · Palette generator →