#0C182D#0C182D

#0C182D is a very dark, muted blue. Relative luminance 0.009; OKLCH L 21.1% C 0.045 H 260.9°. Best body text is #FFFFFF at 17.73:1 contrast (WCAG AA passes).

Color values

HEX	#0C182D
RGB	rgb(12, 24, 45)
HSL	hsl(218, 58%, 11%)
HSV	hsv(218, 73%, 18%)
CMYK	cmyk(73.3%, 46.7%, 0%, 82.4%)
CIE-LAB	lab(8.31, 2.97, -15.74)
CIE-LCH	lch(8.31, 16.02, 280.68°)
OKLab	oklab(21.05% -0.0072 -0.0447)
OKLCH	oklch(21.05% 0.045 260.9)
XYZ	xyz(0.9517, 0.9208, 2.6097)
Luminance	0.0092 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C182D #2D210C

analogous

#0C282D #0C182D #100C2D

triadic

#0C182D #2D0C18 #182D0C

tetradic

#0C182D #2D0C28 #2D210C #0C2D10

square

#0C182D #2D0C28 #2D210C #0C2D10

split-complementary

#0C182D #2D100C #282D0C

monochromatic

#060D18 #060D18 #0C182D #19325D #264C8E

Accessibility & contrast

On white

17.73

#0C182D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#0C182D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C182D

17.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C182D	#FFFFFF	#000000	##FFFFFF
##0C182D	1.00	17.73	1.18	17.73
#FFFFFF	17.73	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F1A2E

Deuteranopia (green-blind)

#0B172D

Tritanopia (blue-blind)

#001D20

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0c182d;
/* rgb */ color: rgb(12, 24, 45);
/* oklch */ color: oklch(21.1% 0.045 260.9);

Tailwind

colors: {
  custom: {
    50: '#4e5466',
    500: '#0c182d',
    950: '#000000',
  },
}

SCSS

$custom: #0c182d;
$custom-light: #4e5466;
$custom-dark: #000000;

JSON

{
  "hex": "#0c182d",
  "rgb": {
    "r": 12,
    "g": 24,
    "b": 45
  },
  "hsl": {
    "h": 218.182,
    "s": 57.895,
    "l": 11.176
  },
  "oklch": {
    "l": 0.2105,
    "c": 0.04525,
    "h": 260.9
  },
  "luminance": 0.00921
}

Semantic roles & 50–950 ramp

primary

#0C182D

secondary

#69532C

accent

#A947E1

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020206

muted

#78787A

Preview Lab

Preview with #0C182D

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

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