#0C152C#0C152C

#0C152C is a very dark, muted blue. Relative luminance 0.008; OKLCH L 20.1% C 0.048 H 266.1°. Best body text is #FFFFFF at 18.12:1 contrast (WCAG AA passes).

Color values

HEX	#0C152C
RGB	rgb(12, 21, 44)
HSL	hsl(223, 57%, 11%)
HSV	hsv(223, 73%, 17%)
CMYK	cmyk(72.7%, 52.3%, 0%, 82.7%)
CIE-LAB	lab(7.19, 4.79, -16.78)
CIE-LCH	lch(7.19, 17.45, 285.94°)
OKLab	oklab(20.14% -0.0032 -0.0479)
OKLCH	oklch(20.14% 0.048 266.1)
XYZ	xyz(0.8743, 0.7963, 2.4900)
Luminance	0.0080 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C152C #2C230C

analogous

#0C252C #0C152C #130C2C

triadic

#0C152C #2C0C15 #152C0C

tetradic

#0C152C #2C0C25 #2C230C #0C2C13

square

#0C152C #2C0C25 #2C230C #0C2C13

split-complementary

#0C152C #2C130C #252C0C

monochromatic

#070B18 #070B18 #0C152C #192C5C #26438C

Accessibility & contrast

On white

18.12

#0C152C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#0C152C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C152C

18.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C152C	#FFFFFF	#000000	##FFFFFF
##0C152C	1.00	18.12	1.16	18.12
#FFFFFF	18.12	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B172D

Deuteranopia (green-blind)

#07152C

Tritanopia (blue-blind)

#001A1E

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #0c152c;
/* rgb */ color: rgb(12, 21, 44);
/* oklch */ color: oklch(20.1% 0.048 266.1);

Tailwind

colors: {
  custom: {
    50: '#4e5165',
    500: '#0c152c',
    950: '#000000',
  },
}

SCSS

$custom: #0c152c;
$custom-light: #4e5165;
$custom-dark: #000000;

JSON

{
  "hex": "#0c152c",
  "rgb": {
    "r": 12,
    "g": 21,
    "b": 44
  },
  "hsl": {
    "h": 223.125,
    "s": 57.143,
    "l": 10.98
  },
  "oklch": {
    "l": 0.20139,
    "c": 0.04801,
    "h": 266.1
  },
  "luminance": 0.00796
}

Semantic roles & 50–950 ramp

primary

#0C152C

secondary

#67572C

accent

#B547E0

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020205

muted

#78787A

Preview Lab

Preview with #0C152C

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

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