#0C283A#0C283A

#0C283A is a dark, muted cyan. Relative luminance 0.019; OKLCH L 26.5% C 0.048 H 240.2°. Best body text is #FFFFFF at 15.22:1 contrast (WCAG AA passes).

Color values

HEX	#0C283A
RGB	rgb(12, 40, 58)
HSL	hsl(203, 66%, 14%)
HSV	hsv(203, 79%, 23%)
CMYK	cmyk(79.3%, 31%, 0%, 77.3%)
CIE-LAB	lab(14.96, -3.36, -14.63)
CIE-LCH	lch(14.96, 15.01, 257.06°)
OKLab	oklab(26.53% -0.0236 -0.0412)
OKLCH	oklch(26.53% 0.048 240.2)
XYZ	xyz(1.6738, 1.9011, 4.2809)
Luminance	0.0190 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C283A #3A1E0C

analogous

#0C3A35 #0C283A #0C113A

triadic

#0C283A #3A0C28 #283A0C

tetradic

#0C283A #350C3A #3A1E0C #113A0C

square

#0C283A #350C3A #3A1E0C #113A0C

split-complementary

#0C283A #3A0C11 #3A350C

monochromatic

#051119 #051119 #0C283A #164B6D #216E9F

Accessibility & contrast

On white

15.22

#0C283A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#0C283A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C283A

15.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C283A	#FFFFFF	#000000	##FFFFFF
##0C283A	1.00	15.22	1.38	15.22
#FFFFFF	15.22	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20283B

Deuteranopia (green-blind)

#19243A

Tritanopia (blue-blind)

#002C2E

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #0c283a;
/* rgb */ color: rgb(12, 40, 58);
/* oklch */ color: oklch(26.5% 0.048 240.2);

Tailwind

colors: {
  custom: {
    50: '#516170',
    500: '#0c283a',
    950: '#000000',
  },
}

SCSS

$custom: #0c283a;
$custom-light: #516170;
$custom-dark: #000000;

JSON

{
  "hex": "#0c283a",
  "rgb": {
    "r": 12,
    "g": 40,
    "b": 58
  },
  "hsl": {
    "h": 203.478,
    "s": 65.714,
    "l": 13.725
  },
  "oklch": {
    "l": 0.26526,
    "c": 0.0475,
    "h": 240.2
  },
  "luminance": 0.01901
}

Semantic roles & 50–950 ramp

primary

#0C283A

secondary

#76492C

accent

#813FE9

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020507

muted

#78797A

Preview Lab

Preview with #0C283A

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

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