#0C102A#0C102A

#0C102A is a very dark, muted blue. Relative luminance 0.006; OKLCH L 18.6% C 0.053 H 273.6°. Best body text is #FFFFFF at 18.70:1 contrast (WCAG AA passes).

Color values

HEX	#0C102A
RGB	rgb(12, 16, 42)
HSL	hsl(232, 56%, 11%)
HSV	hsv(232, 71%, 16%)
CMYK	cmyk(71.4%, 61.9%, 0%, 83.5%)
CIE-LAB	lab(5.56, 6.94, -17.86)
CIE-LCH	lch(5.56, 19.16, 291.22°)
OKLab	oklab(18.64% 0.0033 -0.0525)
OKLCH	oklch(18.64% 0.053 273.6)
XYZ	xyz(0.7547, 0.6159, 2.2691)
Luminance	0.0062 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.12

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C102A #2A260C

analogous

#0C1F2A #0C102A #170C2A

triadic

#0C102A #2A0C10 #102A0C

tetradic

#0C102A #2A0C1F #2A260C #0C2A17

square

#0C102A #2A0C1F #2A260C #0C2A17

split-complementary

#0C102A #2A170C #1F2A0C

monochromatic

#070918 #070918 #0C102A #1A225A #273489

Accessibility & contrast

On white

18.70

#0C102A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#0C102A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C102A

18.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C102A	#FFFFFF	#000000	##FFFFFF
##0C102A	1.00	18.70	1.12	18.70
#FFFFFF	18.70	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#04142B

Deuteranopia (green-blind)

#021129

Tritanopia (blue-blind)

#00161A

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #0c102a;
/* rgb */ color: rgb(12, 16, 42);
/* oklch */ color: oklch(18.6% 0.053 273.6);

Tailwind

colors: {
  custom: {
    50: '#4d4e63',
    500: '#0c102a',
    950: '#000000',
  },
}

SCSS

$custom: #0c102a;
$custom-light: #4d4e63;
$custom-dark: #000000;

JSON

{
  "hex": "#0c102a",
  "rgb": {
    "r": 12,
    "g": 16,
    "b": 42
  },
  "hsl": {
    "h": 232,
    "s": 55.556,
    "l": 10.588
  },
  "oklch": {
    "l": 0.18638,
    "c": 0.05262,
    "h": 273.6
  },
  "luminance": 0.00616
}

Semantic roles & 50–950 ramp

primary

#0C102A

secondary

#655E2D

accent

#CB49DF

background

#F4F4F5

surface

#E7E7EA

border

#C3C3C6

text

#010105

muted

#777779

Preview Lab

Preview with #0C102A

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

Preview Lab → · Contrast checker → · Palette generator →