#C63A38#C63A38

#C63A38 is a mid, vivid red. Relative luminance 0.153; OKLCH L 55.6% C 0.177 H 25.7°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#C63A38
RGB	rgb(198, 58, 56)
HSL	hsl(1, 56%, 50%)
HSV	hsv(1, 72%, 78%)
CMYK	cmyk(0%, 70.7%, 71.7%, 22.4%)
CIE-LAB	lab(46.07, 55.01, 33.75)
CIE-LCH	lch(46.07, 64.54, 31.53°)
OKLab	oklab(55.63% 0.1597 0.077)
OKLCH	oklch(55.63% 0.177 25.7)
XYZ	xyz(25.5184, 15.3212, 5.3542)
Luminance	0.1532 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63A38 #38C4C6

analogous

#C6387D #C63A38 #C68138

triadic

#C63A38 #38C63A #3A38C6

tetradic

#C63A38 #7DC638 #38C4C6 #8138C6

square

#C63A38 #7DC638 #38C4C6 #8138C6

split-complementary

#C63A38 #38C681 #387DC6

monochromatic

#671E1D #962C2B #C63A38 #D46967 #E29897

Accessibility & contrast

On white

5.17

#C63A38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#C63A38 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63A38

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63A38	#FFFFFF	#000000	##FFFFFF
##C63A38	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625A36

Deuteranopia (green-blind)

#857833

Tritanopia (blue-blind)

#DA033B

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c63a38;
/* rgb */ color: rgb(198, 58, 56);
/* oklch */ color: oklch(55.6% 0.177 25.7);

Tailwind

colors: {
  custom: {
    50: '#e0796f',
    500: '#c63a38',
    950: '#000000',
  },
}

SCSS

$custom: #c63a38;
$custom-light: #e0796f;
$custom-dark: #000000;

JSON

{
  "hex": "#c63a38",
  "rgb": {
    "r": 198,
    "g": 58,
    "b": 56
  },
  "hsl": {
    "h": 0.845,
    "s": 55.906,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55629,
    "c": 0.17732,
    "h": 25.7
  },
  "luminance": 0.15317
}

Semantic roles & 50–950 ramp

primary

#C63A38

secondary

#8DCCCD

accent

#DDDF49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C63A38

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

Preview Lab → · Contrast checker → · Palette generator →