#C83831#C83831

#C83831 is a mid, vivid red. Relative luminance 0.153; OKLCH L 55.7% C 0.182 H 27.6°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX#C83831
RGBrgb(200, 56, 49)
HSLhsl(3, 61%, 49%)
HSVhsv(3, 76%, 78%)
CMYKcmyk(0%, 72%, 75.5%, 21.6%)
CIE-LABlab(46.09, 56.08, 37.86)
CIE-LCHlch(46.09, 67.67, 34.02°)
OKLaboklab(55.68% 0.1614 0.0843)
OKLCHoklch(55.68% 0.182 27.6)
XYZxyz(25.7909, 15.3334, 4.5068)
Luminance0.1533 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C83831 #31C1C8
analogous
#C83176 #C83831 #C88431
triadic
#C83831 #31C838 #3831C8
tetradic
#C83831 #76C831 #31C1C8 #8431C8
square
#C83831 #76C831 #31C1C8 #8431C8
split-complementary
#C83831 #31C884 #3176C8
monochromatic
#661C19 #972A25 #C83831 #D8645F #E49490

Accessibility & contrast

On white

5.17
#C83831 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.07
#C83831 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C83831
5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C83831#FFFFFF#000000##FFFFFF
##C838311.005.174.075.17
#FFFFFF5.171.0021.001.00
#0000004.0721.001.0021.00
##FFFFFF5.171.0021.001.00

Color blindness preview

Protanopia (red-blind)
#62592F
Deuteranopia (green-blind)
#86792B
Tritanopia (blue-blind)
#DC0038
Achromatopsia (no color)
#6D6D6D

Design tokens & code

CSS
--color: #c83831;
/* rgb */ color: rgb(200, 56, 49);
/* oklch */ color: oklch(55.7% 0.182 27.6);
Tailwind
colors: {
  custom: {
    50: '#e2796a',
    500: '#c83831',
    950: '#000000',
  },
}
SCSS
$custom: #c83831;
$custom-light: #e2796a;
$custom-dark: #000000;
JSON
{
  "hex": "#c83831",
  "rgb": {
    "r": 200,
    "g": 56,
    "b": 49
  },
  "hsl": {
    "h": 2.781,
    "s": 60.643,
    "l": 48.824
  },
  "oklch": {
    "l": 0.55681,
    "c": 0.18209,
    "h": 27.6
  },
  "luminance": 0.15329
}

Semantic roles & 50–950 ramp

primary
#C83831
secondary
#86CBCE
accent
#DCE444
background
#FFF7F6
surface
#FEEEEB
border
#D6C9C6
text
#170A06
muted
#857C7A

Preview Lab

Preview with #C83831

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

Preview Lab → · Contrast checker → · Palette generator →

#C83831 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva