#C64337#C64337

#C64337 is a mid, vivid red. Relative luminance 0.163; OKLCH L 56.6% C 0.169 H 28.7°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX#C64337
RGBrgb(198, 67, 55)
HSLhsl(5, 57%, 50%)
HSVhsv(5, 72%, 78%)
CMYKcmyk(0%, 66.2%, 72.2%, 22.4%)
CIE-LABlab(47.37, 51.40, 35.81)
CIE-LCHlch(47.37, 62.64, 34.86°)
OKLaboklab(56.59% 0.1482 0.0813)
OKLCHoklch(56.59% 0.169 28.7)
XYZxyz(25.9883, 16.2997, 5.3914)
Luminance0.1630 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C64337 #37BAC6
analogous
#C63773 #C64337 #C68B37
triadic
#C64337 #37C643 #4337C6
tetradic
#C64337 #73C637 #37BAC6 #8B37C6
square
#C64337 #73C637 #37BAC6 #8B37C6
split-complementary
#C64337 #37C68B #3773C6
monochromatic
#66231C #96332A #C64337 #D46F66 #E29C96

Accessibility & contrast

On white

4.93
#C64337 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.26
#C64337 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C64337
4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C64337#FFFFFF#000000##FFFFFF
##C643371.004.934.264.93
#FFFFFF4.931.0021.001.00
#0000004.2621.001.0021.00
##FFFFFF4.931.0021.001.00

Color blindness preview

Protanopia (red-blind)
#685E35
Deuteranopia (green-blind)
#887B33
Tritanopia (blue-blind)
#DA1F41
Achromatopsia (no color)
#707070

Design tokens & code

CSS
--color: #c64337;
/* rgb */ color: rgb(198, 67, 55);
/* oklch */ color: oklch(56.6% 0.169 28.7);
Tailwind
colors: {
  custom: {
    50: '#df7e6e',
    500: '#c64337',
    950: '#000000',
  },
}
SCSS
$custom: #c64337;
$custom-light: #df7e6e;
$custom-dark: #000000;
JSON
{
  "hex": "#c64337",
  "rgb": {
    "r": 198,
    "g": 67,
    "b": 55
  },
  "hsl": {
    "h": 5.035,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.56594,
    "c": 0.16899,
    "h": 28.7
  },
  "luminance": 0.16296
}

Semantic roles & 50–950 ramp

primary
#C64337
secondary
#8CC8CD
accent
#D3E048
background
#FEF8F6
surface
#FDEFEC
border
#D5CAC7
text
#170A07
muted
#857C7A

Preview Lab

Preview with #C64337

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

Preview Lab → · Contrast checker → · Palette generator →

#C64337 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva