#0C283B#0C283B

#0C283B is a dark, muted cyan. Relative luminance 0.019; OKLCH L 26.6% C 0.049 H 241.7°. Best body text is #FFFFFF at 15.19:1 contrast (WCAG AA passes).

Color values

HEX	#0C283B
RGB	rgb(12, 40, 59)
HSL	hsl(204, 66%, 14%)
HSV	hsv(204, 80%, 23%)
CMYK	cmyk(79.7%, 32.2%, 0%, 76.9%)
CIE-LAB	lab(15.01, -2.94, -15.24)
CIE-LCH	lch(15.01, 15.52, 259.09°)
OKLab	oklab(26.59% -0.0232 -0.043)
OKLCH	oklch(26.59% 0.049 241.7)
XYZ	xyz(1.6995, 1.9113, 4.4162)
Luminance	0.0191 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C283B #3B1F0C

analogous

#0C3B37 #0C283B #0C113B

triadic

#0C283B #3B0C28 #283B0C

tetradic

#0C283B #370C3B #3B1F0C #113B0C

square

#0C283B #370C3B #3B1F0C #113B0C

split-complementary

#0C283B #3B0C11 #3B370C

monochromatic

#051119 #051119 #0C283B #164A6E #216DA1

Accessibility & contrast

On white

15.19

#0C283B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#0C283B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C283B

15.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C283B	#FFFFFF	#000000	##FFFFFF
##0C283B	1.00	15.19	1.38	15.19
#FFFFFF	15.19	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F283C

Deuteranopia (green-blind)

#19243B

Tritanopia (blue-blind)

#002D2F

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #0c283b;
/* rgb */ color: rgb(12, 40, 59);
/* oklch */ color: oklch(26.6% 0.049 241.7);

Tailwind

colors: {
  custom: {
    50: '#526171',
    500: '#0c283b',
    950: '#000000',
  },
}

SCSS

$custom: #0c283b;
$custom-light: #526171;
$custom-dark: #000000;

JSON

{
  "hex": "#0c283b",
  "rgb": {
    "r": 12,
    "g": 40,
    "b": 59
  },
  "hsl": {
    "h": 204.255,
    "s": 66.197,
    "l": 13.922
  },
  "oklch": {
    "l": 0.26589,
    "c": 0.04885,
    "h": 241.7
  },
  "luminance": 0.01912
}

Semantic roles & 50–950 ramp

primary

#0C283B

secondary

#774A2C

accent

#843FE9

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020507

muted

#78797A

Preview Lab

Preview with #0C283B

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

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