#C63748#C63748

#C63748 is a mid, vivid red. Relative luminance 0.152; OKLCH L 55.6% C 0.179 H 18.8°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#C63748
RGB	rgb(198, 55, 72)
HSL	hsl(353, 57%, 50%)
HSV	hsv(353, 72%, 78%)
CMYK	cmyk(0%, 72.2%, 63.6%, 22.4%)
CIE-LAB	lab(45.92, 56.96, 24.03)
CIE-LCH	lch(45.92, 61.82, 22.88°)
OKLab	oklab(55.6% 0.1692 0.0576)
OKLCH	oklch(55.6% 0.179 18.8)
XYZ	xyz(25.8273, 15.2098, 7.7055)
Luminance	0.1521 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63748 #37C6B5

analogous

#C63790 #C63748 #C66D37

triadic

#C63748 #48C637 #3748C6

tetradic

#C63748 #90C637 #37C6B5 #6D37C6

square

#C63748 #90C637 #37C6B5 #6D37C6

split-complementary

#C63748 #37C66D #3790C6

monochromatic

#661C25 #962A37 #C63748 #D46673 #E2969F

Accessibility & contrast

On white

5.20

#C63748 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#C63748 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63748

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63748	#FFFFFF	#000000	##FFFFFF
##C63748	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)

#5E5A48

Deuteranopia (green-blind)

#837844

Tritanopia (blue-blind)

#D9033E

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c63748;
/* rgb */ color: rgb(198, 55, 72);
/* oklch */ color: oklch(55.6% 0.179 18.8);

Tailwind

colors: {
  custom: {
    50: '#df787a',
    500: '#c63748',
    950: '#000000',
  },
}

SCSS

$custom: #c63748;
$custom-light: #df787a;
$custom-dark: #000000;

JSON

{
  "hex": "#c63748",
  "rgb": {
    "r": 198,
    "g": 55,
    "b": 72
  },
  "hsl": {
    "h": 352.867,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.55596,
    "c": 0.17876,
    "h": 18.8
  },
  "luminance": 0.15206
}

Semantic roles & 50–950 ramp

primary

#C63748

secondary

#8CCDC5

accent

#E0CE48

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A09

muted

#857C7B

Preview Lab

Preview with #C63748

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

Preview Lab → · Contrast checker → · Palette generator →