#C63B35#C63B35

#C63B35 is a mid, vivid red. Relative luminance 0.154; OKLCH L 55.7% C 0.177 H 27.0°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX#C63B35
RGBrgb(198, 59, 53)
HSLhsl(2, 58%, 49%)
HSVhsv(2, 73%, 78%)
CMYKcmyk(0%, 70.2%, 73.2%, 22.4%)
CIE-LABlab(46.17, 54.50, 35.59)
CIE-LCHlch(46.17, 65.09, 33.14°)
OKLaboklab(55.69% 0.1575 0.0804)
OKLCHoklch(55.69% 0.177 27)
XYZxyz(25.4981, 15.3946, 4.9963)
Luminance0.1539 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C63B35 #35C0C6
analogous
#C63578 #C63B35 #C68435
triadic
#C63B35 #35C63B #3B35C6
tetradic
#C63B35 #78C635 #35C0C6 #8435C6
square
#C63B35 #78C635 #35C0C6 #8435C6
split-complementary
#C63B35 #35C684 #3578C6
monochromatic
#651E1B #962D28 #C63B35 #D56863 #E29793

Accessibility & contrast

On white

5.15
#C63B35 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.08
#C63B35 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63B35
5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C63B35#FFFFFF#000000##FFFFFF
##C63B351.005.154.085.15
#FFFFFF5.151.0021.001.00
#0000004.0821.001.0021.00
##FFFFFF5.151.0021.001.00

Color blindness preview

Protanopia (red-blind)
#635A33
Deuteranopia (green-blind)
#867830
Tritanopia (blue-blind)
#DA063B
Achromatopsia (no color)
#6D6D6D

Design tokens & code

CSS
--color: #c63b35;
/* rgb */ color: rgb(198, 59, 53);
/* oklch */ color: oklch(55.7% 0.177 27.0);
Tailwind
colors: {
  custom: {
    50: '#e07a6d',
    500: '#c63b35',
    950: '#000000',
  },
}
SCSS
$custom: #c63b35;
$custom-light: #e07a6d;
$custom-dark: #000000;
JSON
{
  "hex": "#c63b35",
  "rgb": {
    "r": 198,
    "g": 59,
    "b": 53
  },
  "hsl": {
    "h": 2.483,
    "s": 57.769,
    "l": 49.216
  },
  "oklch": {
    "l": 0.55691,
    "c": 0.17681,
    "h": 27
  },
  "luminance": 0.15391
}

Semantic roles & 50–950 ramp

primary
#C63B35
secondary
#8ACACD
accent
#DBE147
background
#FEF7F6
surface
#FDEEEB
border
#D5C9C6
text
#170A07
muted
#857C7A

Preview Lab

Preview with #C63B35

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

Preview Lab → · Contrast checker → · Palette generator →

#C63B35 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva