#0C131E#0C131E

#0C131E is a very dark, muted blue. Relative luminance 0.006; OKLCH L 18.6% C 0.025 H 259.2°. Best body text is #FFFFFF at 18.62:1 contrast (WCAG AA passes).

Color values

HEX	#0C131E
RGB	rgb(12, 19, 30)
HSL	hsl(217, 43%, 8%)
HSV	hsv(217, 60%, 12%)
CMYK	cmyk(60%, 36.7%, 0%, 88.2%)
CIE-LAB	lab(5.76, 0.52, -8.41)
CIE-LCH	lch(5.76, 8.43, 273.56°)
OKLab	oklab(18.56% -0.0047 -0.0247)
OKLCH	oklch(18.56% 0.025 259.2)
XYZ	xyz(0.6188, 0.6376, 1.3185)
Luminance	0.0064 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C131E #1E170C

analogous

#0C1C1E #0C131E #0E0C1E

triadic

#0C131E #1E0C13 #131E0C

tetradic

#0C131E #1E0C1C #1E170C #0C1E0E

square

#0C131E #1E0C1C #1E170C #0C1E0E

split-complementary

#0C131E #1E0E0C #1C1E0C

monochromatic

#090E16 #090E16 #0C131E #1D2F4A #2F4A75

Accessibility & contrast

On white

18.62

#0C131E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#0C131E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C131E

18.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C131E	#FFFFFF	#000000	##FFFFFF
##0C131E	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)

#0F141E

Deuteranopia (green-blind)

#0D121E

Tritanopia (blue-blind)

#061517

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #0c131e;
/* rgb */ color: rgb(12, 19, 30);
/* oklch */ color: oklch(18.6% 0.025 259.2);

Tailwind

colors: {
  custom: {
    50: '#4c5059',
    500: '#0c131e',
    950: '#000000',
  },
}

SCSS

$custom: #0c131e;
$custom-light: #4c5059;
$custom-dark: #000000;

JSON

{
  "hex": "#0c131e",
  "rgb": {
    "r": 12,
    "g": 19,
    "b": 30
  },
  "hsl": {
    "h": 216.667,
    "s": 42.857,
    "l": 8.235
  },
  "oklch": {
    "l": 0.18557,
    "c": 0.02511,
    "h": 259.2
  },
  "luminance": 0.00638
}

Semantic roles & 50–950 ramp

primary

#0C131E

secondary

#57472F

accent

#A255D3

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010203

muted

#777878

Preview Lab

Preview with #0C131E

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

Preview Lab → · Contrast checker → · Palette generator →