#0C252B#0C252B

#0C252B is a very dark, muted cyan. Relative luminance 0.016; OKLCH L 24.8% C 0.033 H 215.8°. Best body text is #FFFFFF at 15.97:1 contrast (WCAG AA passes).

Color values

HEX	#0C252B
RGB	rgb(12, 37, 43)
HSL	hsl(192, 56%, 11%)
HSV	hsv(192, 72%, 17%)
CMYK	cmyk(72.1%, 14%, 0%, 83.1%)
CIE-LAB	lab(13.08, -7.36, -6.88)
CIE-LCH	lch(13.08, 10.07, 223.09°)
OKLab	oklab(24.78% -0.0265 -0.0191)
OKLCH	oklch(24.78% 0.033 215.8)
XYZ	xyz(1.2491, 1.5756, 2.5233)
Luminance	0.0158 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C252B #2B120C

analogous

#0C2B21 #0C252B #0C152B

triadic

#0C252B #2B0C25 #252B0C

tetradic

#0C252B #210C2B #2B120C #152B0C

square

#0C252B #210C2B #2B120C #152B0C

split-complementary

#0C252B #2B0C15 #2B210C

monochromatic

#071518 #071518 #0C252B #194E5B #27778B

Accessibility & contrast

On white

15.97

#0C252B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#0C252B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C252B

15.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C252B	#FFFFFF	#000000	##FFFFFF
##0C252B	1.00	15.97	1.32	15.97
#FFFFFF	15.97	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21242B

Deuteranopia (green-blind)

#1C202B

Tritanopia (blue-blind)

#002727

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #0c252b;
/* rgb */ color: rgb(12, 37, 43);
/* oklch */ color: oklch(24.8% 0.033 215.8);

Tailwind

colors: {
  custom: {
    50: '#4e5f64',
    500: '#0c252b',
    950: '#000000',
  },
}

SCSS

$custom: #0c252b;
$custom-light: #4e5f64;
$custom-dark: #000000;

JSON

{
  "hex": "#0c252b",
  "rgb": {
    "r": 12,
    "g": 37,
    "b": 43
  },
  "hsl": {
    "h": 191.613,
    "s": 56.364,
    "l": 10.784
  },
  "oklch": {
    "l": 0.2478,
    "c": 0.03263,
    "h": 215.8
  },
  "luminance": 0.01576
}

Semantic roles & 50–950 ramp

primary

#0C252B

secondary

#66382C

accent

#6548E0

background

#F4F5F5

surface

#E7E9EA

border

#C3C5C6

text

#020405

muted

#787979

Preview Lab

Preview with #0C252B

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

Preview Lab → · Contrast checker → · Palette generator →