#C83C37#C83C37

#C83C37 is a mid, vivid red. Relative luminance 0.158; OKLCH L 56.2% C 0.178 H 26.7°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#C83C37
RGB	rgb(200, 60, 55)
HSL	hsl(2, 57%, 50%)
HSV	hsv(2, 73%, 78%)
CMYK	cmyk(0%, 70%, 72.5%, 21.6%)
CIE-LAB	lab(46.70, 54.85, 35.14)
CIE-LCH	lch(46.70, 65.14, 32.65°)
OKLab	oklab(56.16% 0.1588 0.0797)
OKLCH	oklch(56.16% 0.178 26.7)
XYZ	xyz(26.1278, 15.7908, 5.2858)
Luminance	0.1579 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C83C37 #37C3C8

analogous

#C8377A #C83C37 #C88537

triadic

#C83C37 #37C83C #3C37C8

tetradic

#C83C37 #7AC837 #37C3C8 #8537C8

square

#C83C37 #7AC837 #37C3C8 #8537C8

split-complementary

#C83C37 #37C885 #377AC8

monochromatic

#681F1D #982E2A #C83C37 #D56B67 #E29A97

Accessibility & contrast

On white

5.05

#C83C37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#C83C37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C83C37

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C83C37	#FFFFFF	#000000	##FFFFFF
##C83C37	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645B35

Deuteranopia (green-blind)

#877A32

Tritanopia (blue-blind)

#DC083C

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #c83c37;
/* rgb */ color: rgb(200, 60, 55);
/* oklch */ color: oklch(56.2% 0.178 26.7);

Tailwind

colors: {
  custom: {
    50: '#e17b6e',
    500: '#c83c37',
    950: '#000000',
  },
}

SCSS

$custom: #c83c37;
$custom-light: #e17b6e;
$custom-dark: #000000;

JSON

{
  "hex": "#c83c37",
  "rgb": {
    "r": 200,
    "g": 60,
    "b": 55
  },
  "hsl": {
    "h": 2.069,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.56161,
    "c": 0.17766,
    "h": 26.7
  },
  "luminance": 0.15787
}

Semantic roles & 50–950 ramp

primary

#C83C37

secondary

#8DCCCE

accent

#DBE048

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C83C37

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

Preview Lab → · Contrast checker → · Palette generator →