#0C313B#0C313B

#0C313B is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.2% C 0.045 H 219.3°. Best body text is #FFFFFF at 13.83:1 contrast (WCAG AA passes).

Color values

HEX	#0C313B
RGB	rgb(12, 49, 59)
HSL	hsl(193, 66%, 14%)
HSV	hsv(193, 80%, 23%)
CMYK	cmyk(79.7%, 16.9%, 0%, 76.9%)
CIE-LAB	lab(18.32, -9.01, -10.12)
CIE-LCH	lch(18.32, 13.55, 228.32°)
OKLab	oklab(29.23% -0.0344 -0.0282)
OKLCH	oklch(29.23% 0.045 219.3)
XYZ	xyz(2.0390, 2.5903, 4.5293)
Luminance	0.0259 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C313B #3B160C

analogous

#0C3B2E #0C313B #0C1A3B

triadic

#0C313B #3B0C31 #313B0C

tetradic

#0C313B #2E0C3B #3B160C #1A3B0C

square

#0C313B #2E0C3B #3B160C #1A3B0C

split-complementary

#0C313B #3B0C1A #3B2E0C

monochromatic

#051519 #051519 #0C313B #165B6E #2185A1

Accessibility & contrast

On white

13.83

#0C313B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#0C313B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C313B

13.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C313B	#FFFFFF	#000000	##FFFFFF
##0C313B	1.00	13.83	1.52	13.83
#FFFFFF	13.83	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2F3C

Deuteranopia (green-blind)

#242B3B

Tritanopia (blue-blind)

#003434

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #0c313b;
/* rgb */ color: rgb(12, 49, 59);
/* oklch */ color: oklch(29.2% 0.045 219.3);

Tailwind

colors: {
  custom: {
    50: '#526971',
    500: '#0c313b',
    950: '#000000',
  },
}

SCSS

$custom: #0c313b;
$custom-light: #526971;
$custom-dark: #000000;

JSON

{
  "hex": "#0c313b",
  "rgb": {
    "r": 12,
    "g": 49,
    "b": 59
  },
  "hsl": {
    "h": 192.766,
    "s": 66.197,
    "l": 13.922
  },
  "oklch": {
    "l": 0.29226,
    "c": 0.04453,
    "h": 219.3
  },
  "luminance": 0.02591
}

Semantic roles & 50–950 ramp

primary

#0C313B

secondary

#773C2C

accent

#633FE9

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#030607

muted

#787A7A

Preview Lab

Preview with #0C313B

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

Preview Lab → · Contrast checker → · Palette generator →