#0C243A#0C243A

#0C243A is a dark, muted cyan. Relative luminance 0.016; OKLCH L 25.4% C 0.051 H 248.8°. Best body text is #FFFFFF at 15.80:1 contrast (WCAG AA passes).

Color values

HEX	#0C243A
RGB	rgb(12, 36, 58)
HSL	hsl(209, 66%, 14%)
HSV	hsv(209, 79%, 23%)
CMYK	cmyk(79.3%, 37.9%, 0%, 77.3%)
CIE-LAB	lab(13.50, -0.48, -16.91)
CIE-LCH	lch(13.50, 16.92, 268.36°)
OKLab	oklab(25.38% -0.0186 -0.0479)
OKLCH	oklch(25.38% 0.051 248.8)
XYZ	xyz(1.5459, 1.6452, 4.2383)
Luminance	0.0164 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C243A #3A220C

analogous

#0C3A39 #0C243A #0C0D3A

triadic

#0C243A #3A0C24 #243A0C

tetradic

#0C243A #390C3A #3A220C #0D3A0C

square

#0C243A #390C3A #3A220C #0D3A0C

split-complementary

#0C243A #3A0C0D #3A390C

monochromatic

#051019 #051019 #0C243A #16436D #21639F

Accessibility & contrast

On white

15.80

#0C243A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#0C243A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C243A

15.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C243A	#FFFFFF	#000000	##FFFFFF
##0C243A	1.00	15.80	1.33	15.80
#FFFFFF	15.80	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A253B

Deuteranopia (green-blind)

#14213A

Tritanopia (blue-blind)

#00292C

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #0c243a;
/* rgb */ color: rgb(12, 36, 58);
/* oklch */ color: oklch(25.4% 0.051 248.8);

Tailwind

colors: {
  custom: {
    50: '#515e70',
    500: '#0c243a',
    950: '#000000',
  },
}

SCSS

$custom: #0c243a;
$custom-light: #515e70;
$custom-dark: #000000;

JSON

{
  "hex": "#0c243a",
  "rgb": {
    "r": 12,
    "g": 36,
    "b": 58
  },
  "hsl": {
    "h": 208.696,
    "s": 65.714,
    "l": 13.725
  },
  "oklch": {
    "l": 0.25377,
    "c": 0.0514,
    "h": 248.8
  },
  "luminance": 0.01645
}

Semantic roles & 50–950 ramp

primary

#0C243A

secondary

#764F2C

accent

#903FE9

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020407

muted

#78797A

Preview Lab

Preview with #0C243A

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

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