#0C4957#0C4957

#0C4957 is a dark, moderate cyan. Relative luminance 0.055; OKLCH L 37.6% C 0.062 H 217.6°. Best body text is #FFFFFF at 9.97:1 contrast (WCAG AA passes).

Color values

HEX	#0C4957
RGB	rgb(12, 73, 87)
HSL	hsl(191, 76%, 19%)
HSV	hsv(191, 86%, 34%)
CMYK	cmyk(86.2%, 16.1%, 0%, 65.9%)
CIE-LAB	lab(28.20, -12.98, -13.61)
CIE-LCH	lch(28.20, 18.81, 226.34°)
OKLab	oklab(37.58% -0.0493 -0.038)
OKLCH	oklch(37.58% 0.062 217.6)
XYZ	xyz(4.2537, 5.5308, 9.8583)
Luminance	0.0553 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C4957 #571A0C

analogous

#0C5740 #0C4957 #0C2457

triadic

#0C4957 #570C49 #49570C

tetradic

#0C4957 #400C57 #571A0C #24570C

square

#0C4957 #400C57 #571A0C #24570C

split-complementary

#0C4957 #570C24 #57400C

monochromatic

#04171B #051C21 #0C4957 #13768D #1BA3C3

Accessibility & contrast

On white

9.97

#0C4957 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#0C4957 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C4957

9.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C4957	#FFFFFF	#000000	##FFFFFF
##0C4957	1.00	9.97	2.11	9.97
#FFFFFF	9.97	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404758

Deuteranopia (green-blind)

#363F57

Tritanopia (blue-blind)

#004E4D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #0c4957;
/* rgb */ color: rgb(12, 73, 87);
/* oklch */ color: oklch(37.6% 0.062 217.6);

Tailwind

colors: {
  custom: {
    50: '#5a7c86',
    500: '#0c4957',
    950: '#000000',
  },
}

SCSS

$custom: #0c4957;
$custom-light: #5a7c86;
$custom-dark: #000000;

JSON

{
  "hex": "#0c4957",
  "rgb": {
    "r": 12,
    "g": 73,
    "b": 87
  },
  "hsl": {
    "h": 191.2,
    "s": 75.758,
    "l": 19.412
  },
  "oklch": {
    "l": 0.37578,
    "c": 0.06229,
    "h": 217.6
  },
  "luminance": 0.05531
}

Semantic roles & 50–950 ramp

primary

#0C4957

secondary

#92402D

accent

#5935F2

background

#F5F7F8

surface

#E9EEEF

border

#C5C9CA

text

#04090B

muted

#797B7C

Preview Lab

Preview with #0C4957

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

Preview Lab → · Contrast checker → · Palette generator →