#C64637#C64637

#C64637 is a mid, vivid red. Relative luminance 0.167; OKLCH L 56.9% C 0.166 H 29.8°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#C64637
RGB	rgb(198, 70, 55)
HSL	hsl(6, 57%, 50%)
HSV	hsv(6, 72%, 78%)
CMYK	cmyk(0%, 64.6%, 72.2%, 22.4%)
CIE-LAB	lab(47.84, 50.13, 36.34)
CIE-LCH	lch(47.84, 61.92, 35.94°)
OKLab	oklab(56.95% 0.1442 0.0824)
OKLCH	oklch(56.95% 0.166 29.8)
XYZ	xyz(26.1713, 16.6656, 5.4524)
Luminance	0.1666 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C64637 #37B7C6

analogous

#C6376F #C64637 #C68E37

triadic

#C64637 #37C646 #4637C6

tetradic

#C64637 #6FC637 #37B7C6 #8E37C6

square

#C64637 #6FC637 #37B7C6 #8E37C6

split-complementary

#C64637 #37C68E #376FC6

monochromatic

#66241C #96352A #C64637 #D47166 #E29E96

Accessibility & contrast

On white

4.85

#C64637 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#C64637 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C64637

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C64637	#FFFFFF	#000000	##FFFFFF
##C64637	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#696035

Deuteranopia (green-blind)

#897C33

Tritanopia (blue-blind)

#D92543

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #c64637;
/* rgb */ color: rgb(198, 70, 55);
/* oklch */ color: oklch(56.9% 0.166 29.8);

Tailwind

colors: {
  custom: {
    50: '#df806e',
    500: '#c64637',
    950: '#000000',
  },
}

SCSS

$custom: #c64637;
$custom-light: #df806e;
$custom-dark: #000000;

JSON

{
  "hex": "#c64637",
  "rgb": {
    "r": 198,
    "g": 70,
    "b": 55
  },
  "hsl": {
    "h": 6.294,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.56947,
    "c": 0.16609,
    "h": 29.8
  },
  "luminance": 0.16662
}

Semantic roles & 50–950 ramp

primary

#C64637

secondary

#8CC6CD

accent

#D0E048

background

#FEF8F6

surface

#FDEFEC

border

#D5CAC7

text

#170B07

muted

#857C7A

Preview Lab

Preview with #C64637

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

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