#0C253B#0C253B

#0C253B is a dark, muted cyan. Relative luminance 0.017; OKLCH L 25.7% C 0.052 H 247.9°. Best body text is #FFFFFF at 15.63:1 contrast (WCAG AA passes).

Color values

HEX	#0C253B
RGB	rgb(12, 37, 59)
HSL	hsl(208, 66%, 14%)
HSV	hsv(208, 80%, 23%)
CMYK	cmyk(79.7%, 37.3%, 0%, 76.9%)
CIE-LAB	lab(13.93, -0.78, -16.95)
CIE-LCH	lch(13.93, 16.97, 267.35°)
OKLab	oklab(25.73% -0.0195 -0.048)
OKLCH	oklch(25.73% 0.052 247.9)
XYZ	xyz(1.6023, 1.7169, 4.3838)
Luminance	0.0172 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C253B #3B220C

analogous

#0C3B3A #0C253B #0C0E3B

triadic

#0C253B #3B0C25 #253B0C

tetradic

#0C253B #3A0C3B #3B220C #0E3B0C

square

#0C253B #3A0C3B #3B220C #0E3B0C

split-complementary

#0C253B #3B0C0E #3B3A0C

monochromatic

#051019 #051019 #0C253B #16456E #2165A1

Accessibility & contrast

On white

15.63

#0C253B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#0C253B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C253B

15.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C253B	#FFFFFF	#000000	##FFFFFF
##0C253B	1.00	15.63	1.34	15.63
#FFFFFF	15.63	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B263C

Deuteranopia (green-blind)

#15213B

Tritanopia (blue-blind)

#002A2D

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #0c253b;
/* rgb */ color: rgb(12, 37, 59);
/* oklch */ color: oklch(25.7% 0.052 247.9);

Tailwind

colors: {
  custom: {
    50: '#525f71',
    500: '#0c253b',
    950: '#000000',
  },
}

SCSS

$custom: #0c253b;
$custom-light: #525f71;
$custom-dark: #000000;

JSON

{
  "hex": "#0c253b",
  "rgb": {
    "r": 12,
    "g": 37,
    "b": 59
  },
  "hsl": {
    "h": 208.085,
    "s": 66.197,
    "l": 13.922
  },
  "oklch": {
    "l": 0.25729,
    "c": 0.05181,
    "h": 247.9
  },
  "luminance": 0.01717
}

Semantic roles & 50–950 ramp

primary

#0C253B

secondary

#774F2C

accent

#8E3FE9

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020407

muted

#78797A

Preview Lab

Preview with #0C253B

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

Preview Lab → · Contrast checker → · Palette generator →