#C63840#C63840

#C63840 is a mid, vivid red. Relative luminance 0.152; OKLCH L 55.6% C 0.178 H 22.3°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#C63840
RGB	rgb(198, 56, 64)
HSL	hsl(357, 56%, 50%)
HSV	hsv(357, 72%, 78%)
CMYK	cmyk(0%, 71.7%, 67.7%, 22.4%)
CIE-LAB	lab(45.92, 56.15, 28.85)
CIE-LCH	lch(45.92, 63.12, 27.20°)
OKLab	oklab(55.55% 0.165 0.0675)
OKLCH	oklch(55.55% 0.178 22.3)
XYZ	xyz(25.6311, 15.2081, 6.4353)
Luminance	0.1520 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63840 #38C6BE

analogous

#C63887 #C63840 #C67738

triadic

#C63840 #40C638 #3840C6

tetradic

#C63840 #87C638 #38C6BE #7738C6

square

#C63840 #87C638 #38C6BE #7738C6

split-complementary

#C63840 #38C677 #3887C6

monochromatic

#671D21 #962B31 #C63840 #D4676D #E2979B

Accessibility & contrast

On white

5.20

#C63840 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#C63840 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63840

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63840	#FFFFFF	#000000	##FFFFFF
##C63840	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60593F

Deuteranopia (green-blind)

#84783C

Tritanopia (blue-blind)

#D9003C

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c63840;
/* rgb */ color: rgb(198, 56, 64);
/* oklch */ color: oklch(55.6% 0.178 22.3);

Tailwind

colors: {
  custom: {
    50: '#df7975',
    500: '#c63840',
    950: '#000000',
  },
}

SCSS

$custom: #c63840;
$custom-light: #df7975;
$custom-dark: #000000;

JSON

{
  "hex": "#c63840",
  "rgb": {
    "r": 198,
    "g": 56,
    "b": 64
  },
  "hsl": {
    "h": 356.62,
    "s": 55.906,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55551,
    "c": 0.17829,
    "h": 22.3
  },
  "luminance": 0.15204
}

Semantic roles & 50–950 ramp

primary

#C63840

secondary

#8DCDC9

accent

#DFD749

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C63840

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

Preview Lab → · Contrast checker → · Palette generator →