#0C1151#0C1151

#0C1151 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.0% C 0.114 H 270.2°. Best body text is #FFFFFF at 17.29:1 contrast (WCAG AA passes).

Color values

HEX	#0C1151
RGB	rgb(12, 17, 81)
HSL	hsl(236, 74%, 18%)
HSV	hsv(236, 85%, 32%)
CMYK	cmyk(85.2%, 79%, 0%, 68.2%)
CIE-LAB	lab(9.58, 23.90, -39.28)
CIE-LCH	lch(9.58, 45.98, 301.32°)
OKLab	oklab(23.05% 0.0004 -0.1138)
OKLCH	oklch(23.05% 0.114 270.2)
XYZ	xyz(1.8368, 1.0729, 7.8933)
Luminance	0.0107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C1151 #514C0C

analogous

#0C3351 #0C1151 #290C51

triadic

#0C1151 #510C11 #11510C

tetradic

#0C1151 #510C33 #514C0C #0C5129

square

#0C1151 #510C33 #514C0C #0C5129

split-complementary

#0C1151 #51290C #33510C

monochromatic

#04061B #04061C #0C1151 #141C86 #1C27BC

Accessibility & contrast

On white

17.29

#0C1151 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#0C1151 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C1151

17.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C1151	#FFFFFF	#000000	##FFFFFF
##0C1151	1.00	17.29	1.21	17.29
#FFFFFF	17.29	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E53

Deuteranopia (green-blind)

#001750

Tritanopia (blue-blind)

#00232F

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #0c1151;
/* rgb */ color: rgb(12, 17, 81);
/* oklch */ color: oklch(23.0% 0.114 270.2);

Tailwind

colors: {
  custom: {
    50: '#594f83',
    500: '#0c1151',
    950: '#000000',
  },
}

SCSS

$custom: #0c1151;
$custom-light: #594f83;
$custom-dark: #000000;

JSON

{
  "hex": "#0c1151",
  "rgb": {
    "r": 12,
    "g": 17,
    "b": 81
  },
  "hsl": {
    "h": 235.652,
    "s": 74.194,
    "l": 18.235
  },
  "oklch": {
    "l": 0.23049,
    "c": 0.11376,
    "h": 270.2
  },
  "luminance": 0.01073
}

Semantic roles & 50–950 ramp

primary

#0C1151

secondary

#8C852C

accent

#E337F1

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020B

muted

#79787C

Preview Lab

Preview with #0C1151

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

Preview Lab → · Contrast checker → · Palette generator →