#0C243C#0C243C

#0C243C is a dark, muted cyan. Relative luminance 0.017; OKLCH L 25.5% C 0.054 H 250.8°. Best body text is #FFFFFF at 15.75:1 contrast (WCAG AA passes).

Color values

HEX	#0C243C
RGB	rgb(12, 36, 60)
HSL	hsl(210, 67%, 14%)
HSV	hsv(210, 80%, 24%)
CMYK	cmyk(80%, 40%, 0%, 76.5%)
CIE-LAB	lab(13.63, 0.38, -18.13)
CIE-LCH	lch(13.63, 18.13, 271.21°)
OKLab	oklab(25.51% -0.0179 -0.0515)
OKLCH	oklch(25.51% 0.054 250.8)
XYZ	xyz(1.5978, 1.6660, 4.5114)
Luminance	0.0167 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C243C #3C240C

analogous

#0C3C3C #0C243C #0C0C3C

triadic

#0C243C #3C0C24 #243C0C

tetradic

#0C243C #3C0C3C #3C240C #0C3C0C

square

#0C243C #3C0C3C #3C240C #0C3C0C

split-complementary

#0C243C #3C0C0C #3C3C0C

monochromatic

#050F1A #050F1A #0C243C #16436F #2061A2

Accessibility & contrast

On white

15.75

#0C243C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#0C243C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C243C

15.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C243C	#FFFFFF	#000000	##FFFFFF
##0C243C	1.00	15.75	1.33	15.75
#FFFFFF	15.75	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19253D

Deuteranopia (green-blind)

#12213C

Tritanopia (blue-blind)

#002A2D

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #0c243c;
/* rgb */ color: rgb(12, 36, 60);
/* oklch */ color: oklch(25.5% 0.054 250.8);

Tailwind

colors: {
  custom: {
    50: '#525e72',
    500: '#0c243c',
    950: '#000000',
  },
}

SCSS

$custom: #0c243c;
$custom-light: #525e72;
$custom-dark: #000000;

JSON

{
  "hex": "#0c243c",
  "rgb": {
    "r": 12,
    "g": 36,
    "b": 60
  },
  "hsl": {
    "h": 210,
    "s": 66.667,
    "l": 14.118
  },
  "oklch": {
    "l": 0.25514,
    "c": 0.05449,
    "h": 250.8
  },
  "luminance": 0.01666
}

Semantic roles & 50–950 ramp

primary

#0C243C

secondary

#78522C

accent

#943EEA

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020408

muted

#78797B

Preview Lab

Preview with #0C243C

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

Preview Lab → · Contrast checker → · Palette generator →