#0C152B#0C152B

#0C152B is a very dark, muted blue. Relative luminance 0.008; OKLCH L 20.1% C 0.046 H 265.7°. Best body text is #FFFFFF at 18.14:1 contrast (WCAG AA passes).

Color values

HEX	#0C152B
RGB	rgb(12, 21, 43)
HSL	hsl(223, 56%, 11%)
HSV	hsv(223, 72%, 17%)
CMYK	cmyk(72.1%, 51.2%, 0%, 83.1%)
CIE-LAB	lab(7.13, 4.34, -16.14)
CIE-LCH	lch(7.13, 16.72, 285.04°)
OKLab	oklab(20.06% -0.0035 -0.0461)
OKLCH	oklch(20.06% 0.046 265.7)
XYZ	xyz(0.8557, 0.7888, 2.3922)
Luminance	0.0079 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C152B #2B220C

analogous

#0C242B #0C152B #120C2B

triadic

#0C152B #2B0C15 #152B0C

tetradic

#0C152B #2B0C24 #2B220C #0C2B12

square

#0C152B #2B0C24 #2B220C #0C2B12

split-complementary

#0C152B #2B120C #242B0C

monochromatic

#070C18 #070C18 #0C152B #192C5B #27448B

Accessibility & contrast

On white

18.14

#0C152B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#0C152B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C152B

18.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C152B	#FFFFFF	#000000	##FFFFFF
##0C152B	1.00	18.14	1.16	18.14
#FFFFFF	18.14	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B172C

Deuteranopia (green-blind)

#08142B

Tritanopia (blue-blind)

#001A1D

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #0c152b;
/* rgb */ color: rgb(12, 21, 43);
/* oklch */ color: oklch(20.1% 0.046 265.7);

Tailwind

colors: {
  custom: {
    50: '#4e5164',
    500: '#0c152b',
    950: '#000000',
  },
}

SCSS

$custom: #0c152b;
$custom-light: #4e5164;
$custom-dark: #000000;

JSON

{
  "hex": "#0c152b",
  "rgb": {
    "r": 12,
    "g": 21,
    "b": 43
  },
  "hsl": {
    "h": 222.581,
    "s": 56.364,
    "l": 10.784
  },
  "oklch": {
    "l": 0.2006,
    "c": 0.04619,
    "h": 265.7
  },
  "luminance": 0.00789
}

Semantic roles & 50–950 ramp

primary

#0C152B

secondary

#66562C

accent

#B448E0

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020205

muted

#78787A

Preview Lab

Preview with #0C152B

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

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