#0C4A57#0C4A57

#0C4A57 is a dark, moderate cyan. Relative luminance 0.057; OKLCH L 37.9% C 0.062 H 215.9°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#0C4A57
RGB	rgb(12, 74, 87)
HSL	hsl(190, 76%, 19%)
HSV	hsv(190, 86%, 34%)
CMYK	cmyk(86.2%, 14.9%, 0%, 65.9%)
CIE-LAB	lab(28.55, -13.57, -13.07)
CIE-LCH	lch(28.55, 18.84, 223.92°)
OKLab	oklab(37.86% -0.0504 -0.0365)
OKLCH	oklch(37.86% 0.062 215.9)
XYZ	xyz(4.3200, 5.6633, 9.8804)
Luminance	0.0566 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C4A57 #57190C

analogous

#0C573F #0C4A57 #0C2557

triadic

#0C4A57 #570C4A #4A570C

tetradic

#0C4A57 #3F0C57 #57190C #25570C

square

#0C4A57 #3F0C57 #57190C #25570C

split-complementary

#0C4A57 #570C25 #573F0C

monochromatic

#04171B #051C21 #0C4A57 #13788D #1BA5C3

Accessibility & contrast

On white

9.85

#0C4A57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#0C4A57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C4A57

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C4A57	#FFFFFF	#000000	##FFFFFF
##0C4A57	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#414758

Deuteranopia (green-blind)

#374057

Tritanopia (blue-blind)

#004F4E

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #0c4a57;
/* rgb */ color: rgb(12, 74, 87);
/* oklch */ color: oklch(37.9% 0.062 215.9);

Tailwind

colors: {
  custom: {
    50: '#5a7c86',
    500: '#0c4a57',
    950: '#000000',
  },
}

SCSS

$custom: #0c4a57;
$custom-light: #5a7c86;
$custom-dark: #000000;

JSON

{
  "hex": "#0c4a57",
  "rgb": {
    "r": 12,
    "g": 74,
    "b": 87
  },
  "hsl": {
    "h": 190.4,
    "s": 75.758,
    "l": 19.412
  },
  "oklch": {
    "l": 0.3786,
    "c": 0.06226,
    "h": 215.9
  },
  "luminance": 0.05664
}

Semantic roles & 50–950 ramp

primary

#0C4A57

secondary

#923E2D

accent

#5635F2

background

#F5F7F8

surface

#E9EEEF

border

#C5C9CA

text

#04090B

muted

#797B7C

Preview Lab

Preview with #0C4A57

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

Preview Lab → · Contrast checker → · Palette generator →