#0C102C#0C102C

#0C102C is a very dark, muted blue. Relative luminance 0.006; OKLCH L 18.8% C 0.056 H 273.6°. Best body text is #FFFFFF at 18.65:1 contrast (WCAG AA passes).

Color values

HEX	#0C102C
RGB	rgb(12, 16, 44)
HSL	hsl(233, 57%, 11%)
HSV	hsv(233, 73%, 17%)
CMYK	cmyk(72.7%, 63.6%, 0%, 82.7%)
CIE-LAB	lab(5.70, 7.87, -19.15)
CIE-LCH	lch(5.70, 20.71, 292.34°)
OKLab	oklab(18.82% 0.0036 -0.0561)
OKLCH	oklch(18.82% 0.056 273.6)
XYZ	xyz(0.7914, 0.6305, 2.4624)
Luminance	0.0063 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.39

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C102C #2C280C

analogous

#0C202C #0C102C #180C2C

triadic

#0C102C #2C0C10 #102C0C

tetradic

#0C102C #2C0C20 #2C280C #0C2C18

square

#0C102C #2C0C20 #2C280C #0C2C18

split-complementary

#0C102C #2C180C #202C0C

monochromatic

#070918 #070918 #0C102C #19215C #26338C

Accessibility & contrast

On white

18.65

#0C102C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#0C102C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C102C

18.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C102C	#FFFFFF	#000000	##FFFFFF
##0C102C	1.00	18.65	1.13	18.65
#FFFFFF	18.65	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#03142D

Deuteranopia (green-blind)

#00112B

Tritanopia (blue-blind)

#00161B

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #0c102c;
/* rgb */ color: rgb(12, 16, 44);
/* oklch */ color: oklch(18.8% 0.056 273.6);

Tailwind

colors: {
  custom: {
    50: '#4e4e65',
    500: '#0c102c',
    950: '#000000',
  },
}

SCSS

$custom: #0c102c;
$custom-light: #4e4e65;
$custom-dark: #000000;

JSON

{
  "hex": "#0c102c",
  "rgb": {
    "r": 12,
    "g": 16,
    "b": 44
  },
  "hsl": {
    "h": 232.5,
    "s": 57.143,
    "l": 10.98
  },
  "oklch": {
    "l": 0.18818,
    "c": 0.05625,
    "h": 273.6
  },
  "luminance": 0.00631
}

Semantic roles & 50–950 ramp

primary

#0C102C

secondary

#67602C

accent

#CD47E0

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020105

muted

#78777A

Preview Lab

Preview with #0C102C

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

Preview Lab → · Contrast checker → · Palette generator →