#0C243B#0C243B

#0C243B is a dark, muted cyan. Relative luminance 0.017; OKLCH L 25.4% C 0.053 H 249.8°. Best body text is #FFFFFF at 15.78:1 contrast (WCAG AA passes).

Color values

HEX	#0C243B
RGB	rgb(12, 36, 59)
HSL	hsl(209, 66%, 14%)
HSV	hsv(209, 80%, 23%)
CMYK	cmyk(79.7%, 39%, 0%, 76.9%)
CIE-LAB	lab(13.56, -0.05, -17.52)
CIE-LCH	lch(13.56, 17.52, 269.83°)
OKLab	oklab(25.45% -0.0182 -0.0497)
OKLCH	oklch(25.45% 0.053 249.8)
XYZ	xyz(1.5716, 1.6555, 4.3735)
Luminance	0.0166 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C243B #3B230C

analogous

#0C3B3B #0C243B #0C0D3B

triadic

#0C243B #3B0C24 #243B0C

tetradic

#0C243B #3B0C3B #3B230C #0D3B0C

square

#0C243B #3B0C3B #3B230C #0D3B0C

split-complementary

#0C243B #3B0C0D #3B3B0C

monochromatic

#051019 #051019 #0C243B #16436E #2162A1

Accessibility & contrast

On white

15.78

#0C243B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#0C243B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C243B

15.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C243B	#FFFFFF	#000000	##FFFFFF
##0C243B	1.00	15.78	1.33	15.78
#FFFFFF	15.78	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A253C

Deuteranopia (green-blind)

#13213B

Tritanopia (blue-blind)

#00292C

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #0c243b;
/* rgb */ color: rgb(12, 36, 59);
/* oklch */ color: oklch(25.4% 0.053 249.8);

Tailwind

colors: {
  custom: {
    50: '#525e71',
    500: '#0c243b',
    950: '#000000',
  },
}

SCSS

$custom: #0c243b;
$custom-light: #525e71;
$custom-dark: #000000;

JSON

{
  "hex": "#0c243b",
  "rgb": {
    "r": 12,
    "g": 36,
    "b": 59
  },
  "hsl": {
    "h": 209.362,
    "s": 66.197,
    "l": 13.922
  },
  "oklch": {
    "l": 0.25445,
    "c": 0.05294,
    "h": 249.8
  },
  "luminance": 0.01656
}

Semantic roles & 50–950 ramp

primary

#0C243B

secondary

#77512C

accent

#923FE9

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020407

muted

#78797A

Preview Lab

Preview with #0C243B

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

Preview Lab → · Contrast checker → · Palette generator →