#C43931#C43931

#C43931 is a mid, vivid red. Relative luminance 0.149; OKLCH L 55.1% C 0.177 H 27.8°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX#C43931
RGBrgb(196, 57, 49)
HSLhsl(3, 60%, 48%)
HSVhsv(3, 75%, 77%)
CMYKcmyk(0%, 70.9%, 75%, 23.1%)
CIE-LABlab(45.48, 54.44, 36.99)
CIE-LCHlch(45.48, 65.82, 34.19°)
OKLaboklab(55.09% 0.1567 0.0826)
OKLCHoklch(55.09% 0.177 27.8)
XYZxyz(24.7853, 14.8875, 4.4736)
Luminance0.1488 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C43931 #31BCC4
analogous
#C43173 #C43931 #C48231
triadic
#C43931 #31C439 #3931C4
tetradic
#C43931 #73C431 #31BCC4 #8231C4
square
#C43931 #73C431 #31BCC4 #8231C4
split-complementary
#C43931 #31C482 #3173C4
monochromatic
#621D19 #932B25 #C43931 #D6635C #E2928D

Accessibility & contrast

On white

5.28
#C43931 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.98
#C43931 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43931
5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C43931#FFFFFF#000000##FFFFFF
##C439311.005.283.985.28
#FFFFFF5.281.0021.001.00
#0000003.9821.001.0021.00
##FFFFFF5.281.0021.001.00

Color blindness preview

Protanopia (red-blind)
#62582F
Deuteranopia (green-blind)
#84772C
Tritanopia (blue-blind)
#D80039
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #c43931;
/* rgb */ color: rgb(196, 57, 49);
/* oklch */ color: oklch(55.1% 0.177 27.8);
Tailwind
colors: {
  custom: {
    50: '#df796a',
    500: '#c43931',
    950: '#000000',
  },
}
SCSS
$custom: #c43931;
$custom-light: #df796a;
$custom-dark: #000000;
JSON
{
  "hex": "#c43931",
  "rgb": {
    "r": 196,
    "g": 57,
    "b": 49
  },
  "hsl": {
    "h": 3.265,
    "s": 60,
    "l": 48.039
  },
  "oklch": {
    "l": 0.55092,
    "c": 0.17716,
    "h": 27.8
  },
  "luminance": 0.14884
}

Semantic roles & 50–950 ramp

primary
#C43931
secondary
#84C9CD
accent
#DBE345
background
#FEF7F6
surface
#FDEEEB
border
#D5C9C6
text
#170A06
muted
#857C7A

Preview Lab

Preview with #C43931

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

Preview Lab → · Contrast checker → · Palette generator →

#C43931 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva