#0C2B51#0C2B51

#0C2B51 is a dark, moderate cyan. Relative luminance 0.024; OKLCH L 29.0% C 0.078 H 255.5°. Best body text is #FFFFFF at 14.19:1 contrast (WCAG AA passes).

Color values

HEX	#0C2B51
RGB	rgb(12, 43, 81)
HSL	hsl(213, 74%, 18%)
HSV	hsv(213, 85%, 32%)
CMYK	cmyk(85.2%, 46.9%, 0%, 68.2%)
CIE-LAB	lab(17.46, 4.48, -26.48)
CIE-LCH	lch(17.46, 26.85, 279.61°)
OKLab	oklab(28.96% -0.0196 -0.0758)
OKLCH	oklch(28.96% 0.078 255.5)
XYZ	xyz(2.5001, 2.3997, 8.1144)
Luminance	0.0240 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C2B51 #51320C

analogous

#0C4D51 #0C2B51 #0F0C51

triadic

#0C2B51 #510C2B #2B510C

tetradic

#0C2B51 #510C4D #51320C #0C510F

square

#0C2B51 #510C4D #51320C #0C510F

split-complementary

#0C2B51 #510F0C #4D510C

monochromatic

#040E1B #040F1C #0C2B51 #144786 #1C64BC

Accessibility & contrast

On white

14.19

#0C2B51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#0C2B51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C2B51

14.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C2B51	#FFFFFF	#000000	##FFFFFF
##0C2B51	1.00	14.19	1.48	14.19
#FFFFFF	14.19	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#182E52

Deuteranopia (green-blind)

#0B2850

Tritanopia (blue-blind)

#00343A

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #0c2b51;
/* rgb */ color: rgb(12, 43, 81);
/* oklch */ color: oklch(29.0% 0.078 255.5);

Tailwind

colors: {
  custom: {
    50: '#576382',
    500: '#0c2b51',
    950: '#000000',
  },
}

SCSS

$custom: #0c2b51;
$custom-light: #576382;
$custom-dark: #000000;

JSON

{
  "hex": "#0c2b51",
  "rgb": {
    "r": 12,
    "g": 43,
    "b": 81
  },
  "hsl": {
    "h": 213.043,
    "s": 74.194,
    "l": 18.235
  },
  "oklch": {
    "l": 0.28957,
    "c": 0.0783,
    "h": 255.5
  },
  "luminance": 0.024
}

Semantic roles & 50–950 ramp

primary

#0C2B51

secondary

#8C612C

accent

#9D37F1

background

#F5F5F8

surface

#E9EAEF

border

#C5C6CA

text

#04050A

muted

#79797C

Preview Lab

Preview with #0C2B51

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

Preview Lab → · Contrast checker → · Palette generator →