#C83B31#C83B31

#C83B31 is a mid, vivid red. Relative luminance 0.156; OKLCH L 56.0% C 0.179 H 28.3°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#C83B31
RGB	rgb(200, 59, 49)
HSL	hsl(4, 61%, 49%)
HSV	hsv(4, 76%, 78%)
CMYK	cmyk(0%, 70.5%, 75.5%, 21.6%)
CIE-LAB	lab(46.49, 54.98, 38.30)
CIE-LCH	lch(46.49, 67.00, 34.86°)
OKLab	oklab(55.98% 0.1579 0.0852)
OKLCH	oklch(55.98% 0.179 28.3)
XYZ	xyz(25.9407, 15.6330, 4.5567)
Luminance	0.1563 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C83B31 #31BEC8

analogous

#C83172 #C83B31 #C88731

triadic

#C83B31 #31C83B #3B31C8

tetradic

#C83B31 #72C831 #31BEC8 #8731C8

square

#C83B31 #72C831 #31BEC8 #8731C8

split-complementary

#C83B31 #31C887 #3172C8

monochromatic

#661E19 #972C25 #C83B31 #D8675F #E49590

Accessibility & contrast

On white

5.09

#C83B31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#C83B31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C83B31

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C83B31	#FFFFFF	#000000	##FFFFFF
##C83B31	1.00	5.09	4.13	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645B2F

Deuteranopia (green-blind)

#87792C

Tritanopia (blue-blind)

#DC003A

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c83b31;
/* rgb */ color: rgb(200, 59, 49);
/* oklch */ color: oklch(56.0% 0.179 28.3);

Tailwind

colors: {
  custom: {
    50: '#e17a6a',
    500: '#c83b31',
    950: '#000000',
  },
}

SCSS

$custom: #c83b31;
$custom-light: #e17a6a;
$custom-dark: #000000;

JSON

{
  "hex": "#c83b31",
  "rgb": {
    "r": 200,
    "g": 59,
    "b": 49
  },
  "hsl": {
    "h": 3.974,
    "s": 60.643,
    "l": 48.824
  },
  "oklch": {
    "l": 0.55981,
    "c": 0.17946,
    "h": 28.3
  },
  "luminance": 0.15629
}

Semantic roles & 50–950 ramp

primary

#C83B31

secondary

#86CACE

accent

#D9E444

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C83B31

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

Preview Lab → · Contrast checker → · Palette generator →