#C83F37#C83F37

#C83F37 is a mid, vivid red. Relative luminance 0.161; OKLCH L 56.5% C 0.175 H 27.5°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#C83F37
RGB	rgb(200, 63, 55)
HSL	hsl(3, 57%, 50%)
HSV	hsv(3, 73%, 78%)
CMYK	cmyk(0%, 68.5%, 72.5%, 21.6%)
CIE-LAB	lab(47.12, 53.69, 35.63)
CIE-LCH	lch(47.12, 64.44, 33.57°)
OKLab	oklab(56.48% 0.1551 0.0808)
OKLCH	oklch(56.48% 0.175 27.5)
XYZ	xyz(26.2894, 16.1141, 5.3397)
Luminance	0.1611 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C83F37 #37C0C8

analogous

#C83778 #C83F37 #C88737

triadic

#C83F37 #37C83F #3F37C8

tetradic

#C83F37 #78C837 #37C0C8 #8737C8

square

#C83F37 #78C837 #37C0C8 #8737C8

split-complementary

#C83F37 #37C887 #3778C8

monochromatic

#68211D #98302A #C83F37 #D56D67 #E29B97

Accessibility & contrast

On white

4.97

#C83F37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#C83F37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C83F37

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C83F37	#FFFFFF	#000000	##FFFFFF
##C83F37	1.00	4.97	4.22	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665D35

Deuteranopia (green-blind)

#887B32

Tritanopia (blue-blind)

#DC133E

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #c83f37;
/* rgb */ color: rgb(200, 63, 55);
/* oklch */ color: oklch(56.5% 0.175 27.5);

Tailwind

colors: {
  custom: {
    50: '#e17c6e',
    500: '#c83f37',
    950: '#000000',
  },
}

SCSS

$custom: #c83f37;
$custom-light: #e17c6e;
$custom-dark: #000000;

JSON

{
  "hex": "#c83f37",
  "rgb": {
    "r": 200,
    "g": 63,
    "b": 55
  },
  "hsl": {
    "h": 3.31,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.56479,
    "c": 0.17489,
    "h": 27.5
  },
  "luminance": 0.1611
}

Semantic roles & 50–950 ramp

primary

#C83F37

secondary

#8DCACE

accent

#D8E048

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C83F37

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

Preview Lab → · Contrast checker → · Palette generator →