#C83A37#C83A37

#C83A37 is a mid, vivid red. Relative luminance 0.156; OKLCH L 56.0% C 0.179 H 26.1°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#C83A37
RGB	rgb(200, 58, 55)
HSL	hsl(1, 57%, 50%)
HSV	hsv(1, 73%, 78%)
CMYK	cmyk(0%, 71%, 72.5%, 21.6%)
CIE-LAB	lab(46.43, 55.60, 34.83)
CIE-LCH	lch(46.43, 65.61, 32.06°)
OKLab	oklab(55.96% 0.1611 0.079)
OKLCH	oklch(55.96% 0.179 26.1)
XYZ	xyz(26.0250, 15.5852, 5.2516)
Luminance	0.1558 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C83A37 #37C5C8

analogous

#C8377D #C83A37 #C88237

triadic

#C83A37 #37C83A #3A37C8

tetradic

#C83A37 #7DC837 #37C5C8 #8237C8

square

#C83A37 #7DC837 #37C5C8 #8237C8

split-complementary

#C83A37 #37C882 #377DC8

monochromatic

#681E1D #982C2A #C83A37 #D56967 #E29997

Accessibility & contrast

On white

5.10

#C83A37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#C83A37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C83A37

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C83A37	#FFFFFF	#000000	##FFFFFF
##C83A37	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)

#635A35

Deuteranopia (green-blind)

#867932

Tritanopia (blue-blind)

#DC003B

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c83a37;
/* rgb */ color: rgb(200, 58, 55);
/* oklch */ color: oklch(56.0% 0.179 26.1);

Tailwind

colors: {
  custom: {
    50: '#e17a6e',
    500: '#c83a37',
    950: '#000000',
  },
}

SCSS

$custom: #c83a37;
$custom-light: #e17a6e;
$custom-dark: #000000;

JSON

{
  "hex": "#c83a37",
  "rgb": {
    "r": 200,
    "g": 58,
    "b": 55
  },
  "hsl": {
    "h": 1.241,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.55957,
    "c": 0.17949,
    "h": 26.1
  },
  "luminance": 0.15581
}

Semantic roles & 50–950 ramp

primary

#C83A37

secondary

#8DCDCE

accent

#DDE048

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C83A37

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

Preview Lab → · Contrast checker → · Palette generator →