#C83A39#C83A39

#C83A39 is a mid, vivid red. Relative luminance 0.156; OKLCH L 56.0% C 0.179 H 25.4°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#C83A39
RGB	rgb(200, 58, 57)
HSL	hsl(0, 57%, 50%)
HSV	hsv(0, 72%, 78%)
CMYK	cmyk(0%, 71%, 71.5%, 21.6%)
CIE-LAB	lab(46.45, 55.69, 33.70)
CIE-LCH	lch(46.45, 65.10, 31.18°)
OKLab	oklab(55.99% 0.1619 0.077)
OKLCH	oklch(55.99% 0.179 25.4)
XYZ	xyz(26.0739, 15.6048, 5.5092)
Luminance	0.1560 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C83A39 #39C7C8

analogous

#C8397F #C83A39 #C88239

triadic

#C83A39 #39C83A #3A39C8

tetradic

#C83A39 #7FC839 #39C7C8 #8239C8

square

#C83A39 #7FC839 #39C7C8 #8239C8

split-complementary

#C83A39 #39C882 #397FC8

monochromatic

#691E1D #992B2B #C83A39 #D56A69 #E39999

Accessibility & contrast

On white

5.10

#C83A39 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#C83A39 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C83A39

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C83A39	#FFFFFF	#000000	##FFFFFF
##C83A39	1.00	5.10	4.12	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635B37

Deuteranopia (green-blind)

#867934

Tritanopia (blue-blind)

#DC003B

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c83a39;
/* rgb */ color: rgb(200, 58, 57);
/* oklch */ color: oklch(56.0% 0.179 25.4);

Tailwind

colors: {
  custom: {
    50: '#e17a6f',
    500: '#c83a39',
    950: '#000000',
  },
}

SCSS

$custom: #c83a39;
$custom-light: #e17a6f;
$custom-dark: #000000;

JSON

{
  "hex": "#c83a39",
  "rgb": {
    "r": 200,
    "g": 58,
    "b": 57
  },
  "hsl": {
    "h": 0.42,
    "s": 56.522,
    "l": 50.392
  },
  "oklch": {
    "l": 0.55985,
    "c": 0.17922,
    "h": 25.4
  },
  "luminance": 0.15601
}

Semantic roles & 50–950 ramp

primary

#C83A39

secondary

#8FCECE

accent

#DFE048

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C83A39

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

Preview Lab → · Contrast checker → · Palette generator →