#C64B31#C64B31

#C64B31 is a mid, vivid red. Relative luminance 0.173; OKLCH L 57.5% C 0.163 H 33.6°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX#C64B31
RGBrgb(198, 75, 49)
HSLhsl(10, 60%, 48%)
HSVhsv(10, 75%, 78%)
CMYKcmyk(0%, 62.1%, 75.3%, 22.4%)
CIE-LABlab(48.59, 47.67, 40.47)
CIE-LCHlch(48.59, 62.53, 40.33°)
OKLaboklab(57.49% 0.1353 0.09)
OKLCHoklch(57.49% 0.163 33.6)
XYZxyz(26.3620, 17.2634, 4.8492)
Luminance0.1726 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C64B31 #31ACC6
analogous
#C63161 #C64B31 #C69531
triadic
#C64B31 #31C64B #4B31C6
tetradic
#C64B31 #61C631 #31ACC6 #9531C6
square
#C64B31 #61C631 #31ACC6 #9531C6
split-complementary
#C64B31 #31C695 #3161C6
monochromatic
#642619 #953825 #C64B31 #D7725D #E39D8E

Accessibility & contrast

On white

4.72
#C64B31 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.45
#C64B31 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C64B31
4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C64B31#FFFFFF#000000##FFFFFF
##C64B311.004.724.454.72
#FFFFFF4.721.0021.001.00
#0000004.4521.001.0021.00
##FFFFFF4.721.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6D622D
Deuteranopia (green-blind)
#8C7E2D
Tritanopia (blue-blind)
#DA2D46
Achromatopsia (no color)
#737373

Design tokens & code

CSS
--color: #c64b31;
/* rgb */ color: rgb(198, 75, 49);
/* oklch */ color: oklch(57.5% 0.163 33.6);
Tailwind
colors: {
  custom: {
    50: '#df826a',
    500: '#c64b31',
    950: '#000000',
  },
}
SCSS
$custom: #c64b31;
$custom-light: #df826a;
$custom-dark: #000000;
JSON
{
  "hex": "#c64b31",
  "rgb": {
    "r": 198,
    "g": 75,
    "b": 49
  },
  "hsl": {
    "h": 10.47,
    "s": 60.324,
    "l": 48.431
  },
  "oklch": {
    "l": 0.57493,
    "c": 0.16255,
    "h": 33.6
  },
  "luminance": 0.1726
}

Semantic roles & 50–950 ramp

primary
#C64B31
secondary
#85C1CE
accent
#C8E344
background
#FEF8F6
surface
#FDEFEB
border
#D5CAC6
text
#170B06
muted
#857C7A

Preview Lab

Preview with #C64B31

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

Preview Lab → · Contrast checker → · Palette generator →

#C64B31 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva