#C63639#C63639

#C63639 is a mid, vivid red. Relative luminance 0.149; OKLCH L 55.2% C 0.181 H 24.4°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#C63639
RGB	rgb(198, 54, 57)
HSL	hsl(359, 57%, 49%)
HSV	hsv(359, 73%, 78%)
CMYK	cmyk(0%, 72.7%, 71.2%, 22.4%)
CIE-LAB	lab(45.56, 56.51, 32.56)
CIE-LCH	lch(45.56, 65.22, 29.95°)
OKLab	oklab(55.25% 0.1647 0.0746)
OKLCH	oklch(55.25% 0.181 24.4)
XYZ	xyz(25.3492, 14.9433, 5.4197)
Luminance	0.1494 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63639 #36C6C3

analogous

#C63681 #C63639 #C67B36

triadic

#C63639 #39C636 #3639C6

tetradic

#C63639 #81C636 #36C6C3 #7B36C6

square

#C63639 #81C636 #36C6C3 #7B36C6

split-complementary

#C63639 #36C67B #3681C6

monochromatic

#661C1D #96292B #C63639 #D56467 #E29496

Accessibility & contrast

On white

5.27

#C63639 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#C63639 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63639

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63639	#FFFFFF	#000000	##FFFFFF
##C63639	1.00	5.27	3.99	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605838

Deuteranopia (green-blind)

#847734

Tritanopia (blue-blind)

#DA0039

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c63639;
/* rgb */ color: rgb(198, 54, 57);
/* oklch */ color: oklch(55.2% 0.181 24.4);

Tailwind

colors: {
  custom: {
    50: '#e0786f',
    500: '#c63639',
    950: '#000000',
  },
}

SCSS

$custom: #c63639;
$custom-light: #e0786f;
$custom-dark: #000000;

JSON

{
  "hex": "#c63639",
  "rgb": {
    "r": 198,
    "g": 54,
    "b": 57
  },
  "hsl": {
    "h": 358.75,
    "s": 57.143,
    "l": 49.412
  },
  "oklch": {
    "l": 0.55249,
    "c": 0.18079,
    "h": 24.4
  },
  "luminance": 0.1494
}

Semantic roles & 50–950 ramp

primary

#C63639

secondary

#8BCDCC

accent

#E0DD47

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C63639

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

Preview Lab → · Contrast checker → · Palette generator →