#0C1937#0C1937

#0C1937 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.1% C 0.061 H 264.4°. Best body text is #FFFFFF at 17.36:1 contrast (WCAG AA passes).

Color values

HEX	#0C1937
RGB	rgb(12, 25, 55)
HSL	hsl(222, 64%, 13%)
HSV	hsv(222, 78%, 22%)
CMYK	cmyk(78.2%, 54.5%, 0%, 78.4%)
CIE-LAB	lab(9.39, 6.60, -21.31)
CIE-LCH	lch(9.39, 22.31, 287.21°)
OKLab	oklab(22.12% -0.006 -0.061)
OKLCH	oklch(22.12% 0.061 264.4)
XYZ	xyz(1.1886, 1.0491, 3.7536)
Luminance	0.0105 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C1937 #372A0C

analogous

#0C2E37 #0C1937 #140C37

triadic

#0C1937 #370C19 #19370C

tetradic

#0C1937 #370C2E #372A0C #0C3714

square

#0C1937 #370C2E #372A0C #0C3714

split-complementary

#0C1937 #37140C #2E370C

monochromatic

#050B19 #050B19 #0C1937 #173069 #22479B

Accessibility & contrast

On white

17.36

#0C1937 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#0C1937 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C1937

17.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C1937	#FFFFFF	#000000	##FFFFFF
##0C1937	1.00	17.36	1.21	17.36
#FFFFFF	17.36	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A1C38

Deuteranopia (green-blind)

#031836

Tritanopia (blue-blind)

#002025

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #0c1937;
/* rgb */ color: rgb(12, 25, 55);
/* oklch */ color: oklch(22.1% 0.061 264.4);

Tailwind

colors: {
  custom: {
    50: '#51556e',
    500: '#0c1937',
    950: '#000000',
  },
}

SCSS

$custom: #0c1937;
$custom-light: #51556e;
$custom-dark: #000000;

JSON

{
  "hex": "#0c1937",
  "rgb": {
    "r": 12,
    "g": 25,
    "b": 55
  },
  "hsl": {
    "h": 221.86,
    "s": 64.179,
    "l": 13.137
  },
  "oklch": {
    "l": 0.22118,
    "c": 0.06129,
    "h": 264.4
  },
  "luminance": 0.01049
}

Semantic roles & 50–950 ramp

primary

#0C1937

secondary

#735E2C

accent

#B541E7

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020207

muted

#78787A

Preview Lab

Preview with #0C1937

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

Preview Lab → · Contrast checker → · Palette generator →