#C63E25#C63E25

#C63E25 is a mid, vivid red. Relative luminance 0.156; OKLCH L 55.8% C 0.177 H 32.6°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX#C63E25
RGBrgb(198, 62, 37)
HSLhsl(9, 69%, 46%)
HSVhsv(9, 81%, 78%)
CMYKcmyk(0%, 68.7%, 81.3%, 22.4%)
CIE-LABlab(46.43, 52.75, 44.51)
CIE-LCHlch(46.43, 69.02, 40.16°)
OKLaboklab(55.83% 0.1489 0.0953)
OKLCHoklch(55.83% 0.177 32.6)
XYZxyz(25.3482, 15.5884, 3.4241)
Luminance0.1558 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C63E25 #25ADC6
analogous
#C6255C #C63E25 #C68E25
triadic
#C63E25 #25C63E #3E25C6
tetradic
#C63E25 #5CC625 #25ADC6 #8E25C6
square
#C63E25 #5CC625 #25ADC6 #8E25C6
split-complementary
#C63E25 #25C68E #255CC6
monochromatic
#5F1E12 #922E1B #C63E25 #DD624B #E78F7E

Accessibility & contrast

On white

5.10
#C63E25 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.12
#C63E25 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63E25
5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C63E25#FFFFFF#000000##FFFFFF
##C63E251.005.104.125.10
#FFFFFF5.101.0021.001.00
#0000004.1221.001.0021.00
##FFFFFF5.101.0021.001.00

Color blindness preview

Protanopia (red-blind)
#665B21
Deuteranopia (green-blind)
#88791E
Tritanopia (blue-blind)
#DA0B39
Achromatopsia (no color)
#6E6E6E

Design tokens & code

CSS
--color: #c63e25;
/* rgb */ color: rgb(198, 62, 37);
/* oklch */ color: oklch(55.8% 0.177 32.6);
Tailwind
colors: {
  custom: {
    50: '#e17b62',
    500: '#c63e25',
    950: '#000000',
  },
}
SCSS
$custom: #c63e25;
$custom-light: #e17b62;
$custom-dark: #000000;
JSON
{
  "hex": "#c63e25",
  "rgb": {
    "r": 198,
    "g": 62,
    "b": 37
  },
  "hsl": {
    "h": 9.317,
    "s": 68.511,
    "l": 46.078
  },
  "oklch": {
    "l": 0.55833,
    "c": 0.17678,
    "h": 32.6
  },
  "luminance": 0.15585
}

Semantic roles & 50–950 ramp

primary
#C63E25
secondary
#77C2CF
accent
#D0EB3C
background
#FFF7F5
surface
#FEEEEA
border
#D6C9C6
text
#170A05
muted
#857C79

Preview Lab

Preview with #C63E25

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

Preview Lab → · Contrast checker → · Palette generator →

#C63E25 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva