#C63747#C63747

#C63747 is a mid, vivid red. Relative luminance 0.152; OKLCH L 55.6% C 0.179 H 19.2°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#C63747
RGB	rgb(198, 55, 71)
HSL	hsl(353, 57%, 50%)
HSV	hsv(353, 72%, 78%)
CMYK	cmyk(0%, 72.2%, 64.1%, 22.4%)
CIE-LAB	lab(45.90, 56.90, 24.62)
CIE-LCH	lch(45.90, 61.99, 23.40°)
OKLab	oklab(55.58% 0.1688 0.0589)
OKLCH	oklch(55.58% 0.179 19.2)
XYZ	xyz(25.7949, 15.1969, 7.5350)
Luminance	0.1519 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63747 #37C6B6

analogous

#C6378E #C63747 #C66F37

triadic

#C63747 #47C637 #3747C6

tetradic

#C63747 #8EC637 #37C6B6 #6F37C6

square

#C63747 #8EC637 #37C6B6 #6F37C6

split-complementary

#C63747 #37C66F #378EC6

monochromatic

#661C25 #962A36 #C63747 #D46672 #E2969E

Accessibility & contrast

On white

5.20

#C63747 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#C63747 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63747

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63747	#FFFFFF	#000000	##FFFFFF
##C63747	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)

#5F5947

Deuteranopia (green-blind)

#837843

Tritanopia (blue-blind)

#D9023E

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c63747;
/* rgb */ color: rgb(198, 55, 71);
/* oklch */ color: oklch(55.6% 0.179 19.2);

Tailwind

colors: {
  custom: {
    50: '#df787a',
    500: '#c63747',
    950: '#000000',
  },
}

SCSS

$custom: #c63747;
$custom-light: #df787a;
$custom-dark: #000000;

JSON

{
  "hex": "#c63747",
  "rgb": {
    "r": 198,
    "g": 55,
    "b": 71
  },
  "hsl": {
    "h": 353.287,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.55577,
    "c": 0.1788,
    "h": 19.2
  },
  "luminance": 0.15193
}

Semantic roles & 50–950 ramp

primary

#C63747

secondary

#8CCDC6

accent

#E0CF48

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A09

muted

#857C7B

Preview Lab

Preview with #C63747

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

Preview Lab → · Contrast checker → · Palette generator →