#0C3151#0C3151

#0C3151 is a dark, moderate cyan. Relative luminance 0.029; OKLCH L 30.6% C 0.071 H 248.8°. Best body text is #FFFFFF at 13.34:1 contrast (WCAG AA passes).

Color values

HEX	#0C3151
RGB	rgb(12, 49, 81)
HSL	hsl(208, 74%, 18%)
HSV	hsv(208, 85%, 32%)
CMYK	cmyk(85.2%, 39.5%, 0%, 68.2%)
CIE-LAB	lab(19.51, 0.15, -23.21)
CIE-LCH	lch(19.51, 23.21, 270.38°)
OKLab	oklab(30.56% -0.0257 -0.0661)
OKLCH	oklch(30.56% 0.071 248.8)
XYZ	xyz(2.7346, 2.8685, 8.1925)
Luminance	0.0287 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C3151 #512C0C

analogous

#0C514E #0C3151 #0C0E51

triadic

#0C3151 #510C31 #31510C

tetradic

#0C3151 #4E0C51 #512C0C #0E510C

square

#0C3151 #4E0C51 #512C0C #0E510C

split-complementary

#0C3151 #510C0E #514E0C

monochromatic

#04101B #04111C #0C3151 #145186 #1C71BC

Accessibility & contrast

On white

13.34

#0C3151 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#0C3151 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C3151

13.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C3151	#FFFFFF	#000000	##FFFFFF
##0C3151	1.00	13.34	1.57	13.34
#FFFFFF	13.34	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#223352

Deuteranopia (green-blind)

#182C50

Tritanopia (blue-blind)

#00393D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #0c3151;
/* rgb */ color: rgb(12, 49, 81);
/* oklch */ color: oklch(30.6% 0.071 248.8);

Tailwind

colors: {
  custom: {
    50: '#576882',
    500: '#0c3151',
    950: '#000000',
  },
}

SCSS

$custom: #0c3151;
$custom-light: #576882;
$custom-dark: #000000;

JSON

{
  "hex": "#0c3151",
  "rgb": {
    "r": 12,
    "g": 49,
    "b": 81
  },
  "hsl": {
    "h": 207.826,
    "s": 74.194,
    "l": 18.235
  },
  "oklch": {
    "l": 0.30558,
    "c": 0.07092,
    "h": 248.8
  },
  "luminance": 0.02869
}

Semantic roles & 50–950 ramp

primary

#0C3151

secondary

#8C592C

accent

#8D37F1

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #0C3151

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

Preview Lab → · Contrast checker → · Palette generator →