#0D4957#0D4957

#0D4957 is a dark, moderate cyan. Relative luminance 0.055; OKLCH L 37.6% C 0.062 H 217.8°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#0D4957
RGB	rgb(13, 73, 87)
HSL	hsl(191, 74%, 20%)
HSV	hsv(191, 85%, 34%)
CMYK	cmyk(85.1%, 16.1%, 0%, 65.9%)
CIE-LAB	lab(28.22, -12.87, -13.57)
CIE-LCH	lch(28.22, 18.70, 226.53°)
OKLab	oklab(37.6% -0.0489 -0.0379)
OKLCH	oklch(37.6% 0.062 217.8)
XYZ	xyz(4.2681, 5.5382, 9.8590)
Luminance	0.0554 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D4957 #571B0D

analogous

#0D5740 #0D4957 #0D2457

triadic

#0D4957 #570D49 #49570D

tetradic

#0D4957 #400D57 #571B0D #24570D

square

#0D4957 #400D57 #571B0D #24570D

split-complementary

#0D4957 #570D24 #57400D

monochromatic

#04161B #051C22 #0D4957 #15768C #1DA2C1

Accessibility & contrast

On white

9.96

#0D4957 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#0D4957 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D4957

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D4957	#FFFFFF	#000000	##FFFFFF
##0D4957	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	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: #0d4957;
/* rgb */ color: rgb(13, 73, 87);
/* oklch */ color: oklch(37.6% 0.062 217.8);

Tailwind

colors: {
  custom: {
    50: '#5a7c86',
    500: '#0d4957',
    950: '#000000',
  },
}

SCSS

$custom: #0d4957;
$custom-light: #5a7c86;
$custom-dark: #000000;

JSON

{
  "hex": "#0d4957",
  "rgb": {
    "r": 13,
    "g": 73,
    "b": 87
  },
  "hsl": {
    "h": 191.351,
    "s": 74,
    "l": 19.608
  },
  "oklch": {
    "l": 0.376,
    "c": 0.06192,
    "h": 217.8
  },
  "luminance": 0.05539
}

Semantic roles & 50–950 ramp

primary

#0D4957

secondary

#92412E

accent

#5A37F1

background

#F5F7F8

surface

#E9EEEF

border

#C5C9CA

text

#04090B

muted

#797B7C

Preview Lab

Preview with #0D4957

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

Preview Lab → · Contrast checker → · Palette generator →