#C83731#C83731

#C83731 is a mid, vivid red. Relative luminance 0.152; OKLCH L 55.6% C 0.183 H 27.3°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#C83731
RGB	rgb(200, 55, 49)
HSL	hsl(2, 61%, 49%)
HSV	hsv(2, 76%, 78%)
CMYK	cmyk(0%, 72.5%, 75.5%, 21.6%)
CIE-LAB	lab(45.96, 56.44, 37.72)
CIE-LCH	lch(45.96, 67.89, 33.76°)
OKLab	oklab(55.58% 0.1626 0.084)
OKLCH	oklch(55.58% 0.183 27.3)
XYZ	xyz(25.7430, 15.2374, 4.4908)
Luminance	0.1523 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C83731 #31C2C8

analogous

#C83177 #C83731 #C88331

triadic

#C83731 #31C837 #3731C8

tetradic

#C83731 #77C831 #31C2C8 #8331C8

square

#C83731 #77C831 #31C2C8 #8331C8

split-complementary

#C83731 #31C883 #3177C8

monochromatic

#661C19 #972925 #C83731 #D8635F #E49390

Accessibility & contrast

On white

5.19

#C83731 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#C83731 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C83731

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C83731	#FFFFFF	#000000	##FFFFFF
##C83731	1.00	5.19	4.05	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#62592F

Deuteranopia (green-blind)

#86782B

Tritanopia (blue-blind)

#DC0037

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c83731;
/* rgb */ color: rgb(200, 55, 49);
/* oklch */ color: oklch(55.6% 0.183 27.3);

Tailwind

colors: {
  custom: {
    50: '#e2786a',
    500: '#c83731',
    950: '#000000',
  },
}

SCSS

$custom: #c83731;
$custom-light: #e2786a;
$custom-dark: #000000;

JSON

{
  "hex": "#c83731",
  "rgb": {
    "r": 200,
    "g": 55,
    "b": 49
  },
  "hsl": {
    "h": 2.384,
    "s": 60.643,
    "l": 48.824
  },
  "oklch": {
    "l": 0.55584,
    "c": 0.18295,
    "h": 27.3
  },
  "luminance": 0.15233
}

Semantic roles & 50–950 ramp

primary

#C83731

secondary

#86CBCE

accent

#DDE444

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C83731

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

Preview Lab → · Contrast checker → · Palette generator →