#0C102D#0C102D

#0C102D is a very dark, muted blue. Relative luminance 0.006; OKLCH L 18.9% C 0.058 H 273.6°. Best body text is #FFFFFF at 18.62:1 contrast (WCAG AA passes).

Color values

HEX	#0C102D
RGB	rgb(12, 16, 45)
HSL	hsl(233, 58%, 11%)
HSV	hsv(233, 73%, 18%)
CMYK	cmyk(73.3%, 64.4%, 0%, 82.4%)
CIE-LAB	lab(5.76, 8.35, -19.79)
CIE-LCH	lch(5.76, 21.48, 292.88°)
OKLab	oklab(18.91% 0.0037 -0.0579)
OKLCH	oklch(18.91% 0.058 273.6)
XYZ	xyz(0.8104, 0.6381, 2.5626)
Luminance	0.0064 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.05

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C102D #2D290C

analogous

#0C202D #0C102D #180C2D

triadic

#0C102D #2D0C10 #102D0C

tetradic

#0C102D #2D0C20 #2D290C #0C2D18

square

#0C102D #2D0C20 #2D290C #0C2D18

split-complementary

#0C102D #2D180C #202D0C

monochromatic

#060918 #060918 #0C102D #19215D #26328E

Accessibility & contrast

On white

18.62

#0C102D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#0C102D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C102D

18.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C102D	#FFFFFF	#000000	##FFFFFF
##0C102D	1.00	18.62	1.13	18.62
#FFFFFF	18.62	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#02142E

Deuteranopia (green-blind)

#00112C

Tritanopia (blue-blind)

#00171C

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #0c102d;
/* rgb */ color: rgb(12, 16, 45);
/* oklch */ color: oklch(18.9% 0.058 273.6);

Tailwind

colors: {
  custom: {
    50: '#4e4e66',
    500: '#0c102d',
    950: '#000000',
  },
}

SCSS

$custom: #0c102d;
$custom-light: #4e4e66;
$custom-dark: #000000;

JSON

{
  "hex": "#0c102d",
  "rgb": {
    "r": 12,
    "g": 16,
    "b": 45
  },
  "hsl": {
    "h": 232.727,
    "s": 57.895,
    "l": 11.176
  },
  "oklch": {
    "l": 0.18911,
    "c": 0.05804,
    "h": 273.6
  },
  "luminance": 0.00638
}

Semantic roles & 50–950 ramp

primary

#0C102D

secondary

#69612C

accent

#CE47E1

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020106

muted

#78777A

Preview Lab

Preview with #0C102D

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

Preview Lab → · Contrast checker → · Palette generator →