#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
RGBrgb(200, 55, 49)
HSLhsl(2, 61%, 49%)
HSVhsv(2, 76%, 78%)
CMYKcmyk(0%, 72.5%, 75.5%, 21.6%)
CIE-LABlab(45.96, 56.44, 37.72)
CIE-LCHlch(45.96, 67.89, 33.76°)
OKLaboklab(55.58% 0.1626 0.084)
OKLCHoklch(55.58% 0.183 27.3)
XYZxyz(25.7430, 15.2374, 4.4908)
Luminance0.1523 (WCAG relative)
Temperaturewarm
Familyred

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
##C837311.005.194.055.19
#FFFFFF5.191.0021.001.00
#0000004.0521.001.0021.00
##FFFFFF5.191.0021.001.00

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 →

#C83731 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva