#C83B39#C83B39

#C83B39 is a mid, vivid red. Relative luminance 0.157; OKLCH L 56.1% C 0.178 H 25.7°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#C83B39
RGB	rgb(200, 59, 57)
HSL	hsl(1, 57%, 50%)
HSV	hsv(1, 72%, 78%)
CMYK	cmyk(0%, 70.5%, 71.5%, 21.6%)
CIE-LAB	lab(46.59, 55.32, 33.86)
CIE-LCH	lch(46.59, 64.86, 31.47°)
OKLab	oklab(56.09% 0.1607 0.0773)
OKLCH	oklch(56.09% 0.178 25.7)
XYZ	xyz(26.1248, 15.7066, 5.5262)
Luminance	0.1570 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C83B39 #39C6C8

analogous

#C8397E #C83B39 #C88239

triadic

#C83B39 #39C83B #3B39C8

tetradic

#C83B39 #7EC839 #39C6C8 #8239C8

square

#C83B39 #7EC839 #39C6C8 #8239C8

split-complementary

#C83B39 #39C882 #397EC8

monochromatic

#691E1D #992C2B #C83B39 #D56A69 #E39A99

Accessibility & contrast

On white

5.07

#C83B39 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#C83B39 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C83B39

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C83B39	#FFFFFF	#000000	##FFFFFF
##C83B39	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635B37

Deuteranopia (green-blind)

#877A34

Tritanopia (blue-blind)

#DC053C

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c83b39;
/* rgb */ color: rgb(200, 59, 57);
/* oklch */ color: oklch(56.1% 0.178 25.7);

Tailwind

colors: {
  custom: {
    50: '#e17a70',
    500: '#c83b39',
    950: '#000000',
  },
}

SCSS

$custom: #c83b39;
$custom-light: #e17a70;
$custom-dark: #000000;

JSON

{
  "hex": "#c83b39",
  "rgb": {
    "r": 200,
    "g": 59,
    "b": 57
  },
  "hsl": {
    "h": 0.839,
    "s": 56.522,
    "l": 50.392
  },
  "oklch": {
    "l": 0.56086,
    "c": 0.17831,
    "h": 25.7
  },
  "luminance": 0.15703
}

Semantic roles & 50–950 ramp

primary

#C83B39

secondary

#8FCDCE

accent

#DEE048

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C83B39

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

Preview Lab → · Contrast checker → · Palette generator →