#C83B37#C83B37

#C83B37 is a mid, vivid red. Relative luminance 0.157; OKLCH L 56.1% C 0.179 H 26.4°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#C83B37
RGB	rgb(200, 59, 55)
HSL	hsl(2, 57%, 50%)
HSV	hsv(2, 73%, 78%)
CMYK	cmyk(0%, 70.5%, 72.5%, 21.6%)
CIE-LAB	lab(46.56, 55.23, 34.98)
CIE-LCH	lch(46.56, 65.38, 32.35°)
OKLab	oklab(56.06% 0.16 0.0794)
OKLCH	oklch(56.06% 0.179 26.4)
XYZ	xyz(26.0759, 15.6870, 5.2686)
Luminance	0.1568 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C83B37 #37C4C8

analogous

#C8377C #C83B37 #C88337

triadic

#C83B37 #37C83B #3B37C8

tetradic

#C83B37 #7CC837 #37C4C8 #8337C8

square

#C83B37 #7CC837 #37C4C8 #8337C8

split-complementary

#C83B37 #37C883 #377CC8

monochromatic

#681F1D #982D2A #C83B37 #D56A67 #E29997

Accessibility & contrast

On white

5.08

#C83B37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#C83B37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C83B37

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C83B37	#FFFFFF	#000000	##FFFFFF
##C83B37	1.00	5.08	4.14	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645B35

Deuteranopia (green-blind)

#877A32

Tritanopia (blue-blind)

#DC033C

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c83b37;
/* rgb */ color: rgb(200, 59, 55);
/* oklch */ color: oklch(56.1% 0.179 26.4);

Tailwind

colors: {
  custom: {
    50: '#e17a6e',
    500: '#c83b37',
    950: '#000000',
  },
}

SCSS

$custom: #c83b37;
$custom-light: #e17a6e;
$custom-dark: #000000;

JSON

{
  "hex": "#c83b37",
  "rgb": {
    "r": 200,
    "g": 59,
    "b": 55
  },
  "hsl": {
    "h": 1.655,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.56058,
    "c": 0.17858,
    "h": 26.4
  },
  "luminance": 0.15683
}

Semantic roles & 50–950 ramp

primary

#C83B37

secondary

#8DCCCE

accent

#DCE048

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C83B37

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

Preview Lab → · Contrast checker → · Palette generator →