#0C3751#0C3751

#0C3751 is a dark, moderate cyan. Relative luminance 0.034; OKLCH L 32.2% C 0.065 H 240.4°. Best body text is #FFFFFF at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#0C3751
RGB	rgb(12, 55, 81)
HSL	hsl(203, 74%, 18%)
HSV	hsv(203, 85%, 32%)
CMYK	cmyk(85.2%, 32.1%, 0%, 68.2%)
CIE-LAB	lab(21.60, -3.99, -19.92)
CIE-LCH	lch(21.60, 20.32, 258.67°)
OKLab	oklab(32.2% -0.0321 -0.0564)
OKLCH	oklch(32.2% 0.065 240.4)
XYZ	xyz(3.0024, 3.4043, 8.2818)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C3751 #51260C

analogous

#0C5148 #0C3751 #0C1451

triadic

#0C3751 #510C37 #37510C

tetradic

#0C3751 #480C51 #51260C #14510C

square

#0C3751 #480C51 #51260C #14510C

split-complementary

#0C3751 #510C14 #51480C

monochromatic

#04121B #04131C #0C3751 #145B86 #1C7FBC

Accessibility & contrast

On white

12.49

#0C3751 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#0C3751 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C3751

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C3751	#FFFFFF	#000000	##FFFFFF
##0C3751	1.00	12.49	1.68	12.49
#FFFFFF	12.49	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3752

Deuteranopia (green-blind)

#213151

Tritanopia (blue-blind)

#003E40

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #0c3751;
/* rgb */ color: rgb(12, 55, 81);
/* oklch */ color: oklch(32.2% 0.065 240.4);

Tailwind

colors: {
  custom: {
    50: '#576d82',
    500: '#0c3751',
    950: '#000000',
  },
}

SCSS

$custom: #0c3751;
$custom-light: #576d82;
$custom-dark: #000000;

JSON

{
  "hex": "#0c3751",
  "rgb": {
    "r": 12,
    "g": 55,
    "b": 81
  },
  "hsl": {
    "h": 202.609,
    "s": 74.194,
    "l": 18.235
  },
  "oklch": {
    "l": 0.32204,
    "c": 0.06488,
    "h": 240.4
  },
  "luminance": 0.03405
}

Semantic roles & 50–950 ramp

primary

#0C3751

secondary

#8C512C

accent

#7D37F1

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #0C3751

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

Preview Lab → · Contrast checker → · Palette generator →