#0C3051#0C3051

#0C3051 is a dark, moderate cyan. Relative luminance 0.028; OKLCH L 30.3% C 0.072 H 250.0°. Best body text is #FFFFFF at 13.49:1 contrast (WCAG AA passes).

Color values

HEX	#0C3051
RGB	rgb(12, 48, 81)
HSL	hsl(209, 74%, 18%)
HSV	hsv(209, 85%, 32%)
CMYK	cmyk(85.2%, 40.7%, 0%, 68.2%)
CIE-LAB	lab(19.16, 0.86, -23.76)
CIE-LCH	lch(19.16, 23.77, 272.08°)
OKLab	oklab(30.29% -0.0246 -0.0677)
OKLCH	oklch(30.29% 0.072 250)
XYZ	xyz(2.6932, 2.7858, 8.1788)
Luminance	0.0279 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C3051 #512D0C

analogous

#0C514F #0C3051 #0C0D51

triadic

#0C3051 #510C30 #30510C

tetradic

#0C3051 #4F0C51 #512D0C #0D510C

square

#0C3051 #4F0C51 #512D0C #0D510C

split-complementary

#0C3051 #510C0D #514F0C

monochromatic

#04101B #04101C #0C3051 #145086 #1C6FBC

Accessibility & contrast

On white

13.49

#0C3051 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#0C3051 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C3051

13.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C3051	#FFFFFF	#000000	##FFFFFF
##0C3051	1.00	13.49	1.56	13.49
#FFFFFF	13.49	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#203252

Deuteranopia (green-blind)

#162C50

Tritanopia (blue-blind)

#00383C

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #0c3051;
/* rgb */ color: rgb(12, 48, 81);
/* oklch */ color: oklch(30.3% 0.072 250.0);

Tailwind

colors: {
  custom: {
    50: '#576782',
    500: '#0c3051',
    950: '#000000',
  },
}

SCSS

$custom: #0c3051;
$custom-light: #576782;
$custom-dark: #000000;

JSON

{
  "hex": "#0c3051",
  "rgb": {
    "r": 12,
    "g": 48,
    "b": 81
  },
  "hsl": {
    "h": 208.696,
    "s": 74.194,
    "l": 18.235
  },
  "oklch": {
    "l": 0.30288,
    "c": 0.07206,
    "h": 250
  },
  "luminance": 0.02786
}

Semantic roles & 50–950 ramp

primary

#0C3051

secondary

#8C5A2C

accent

#9037F1

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #0C3051

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

Preview Lab → · Contrast checker → · Palette generator →