#C64737#C64737

#C64737 is a mid, vivid red. Relative luminance 0.168; OKLCH L 57.1% C 0.165 H 30.1°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#C64737
RGB	rgb(198, 71, 55)
HSL	hsl(7, 57%, 50%)
HSV	hsv(7, 72%, 78%)
CMYK	cmyk(0%, 64.1%, 72.2%, 22.4%)
CIE-LAB	lab(48.00, 49.70, 36.53)
CIE-LCH	lch(48.00, 61.68, 36.31°)
OKLab	oklab(57.07% 0.1428 0.0828)
OKLCH	oklch(57.07% 0.165 30.1)
XYZ	xyz(26.2343, 16.7918, 5.4734)
Luminance	0.1679 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C64737 #37B6C6

analogous

#C6376F #C64737 #C68E37

triadic

#C64737 #37C647 #4737C6

tetradic

#C64737 #6FC637 #37B6C6 #8E37C6

square

#C64737 #6FC637 #37B6C6 #8E37C6

split-complementary

#C64737 #37C68E #376FC6

monochromatic

#66251C #96362A #C64737 #D47266 #E29E96

Accessibility & contrast

On white

4.82

#C64737 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#C64737 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C64737

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C64737	#FFFFFF	#000000	##FFFFFF
##C64737	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A6034

Deuteranopia (green-blind)

#8A7C33

Tritanopia (blue-blind)

#D92744

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #c64737;
/* rgb */ color: rgb(198, 71, 55);
/* oklch */ color: oklch(57.1% 0.165 30.1);

Tailwind

colors: {
  custom: {
    50: '#df806e',
    500: '#c64737',
    950: '#000000',
  },
}

SCSS

$custom: #c64737;
$custom-light: #df806e;
$custom-dark: #000000;

JSON

{
  "hex": "#c64737",
  "rgb": {
    "r": 198,
    "g": 71,
    "b": 55
  },
  "hsl": {
    "h": 6.713,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.57068,
    "c": 0.16512,
    "h": 30.1
  },
  "luminance": 0.16788
}

Semantic roles & 50–950 ramp

primary

#C64737

secondary

#8CC6CD

accent

#CFE048

background

#FEF8F6

surface

#FDEFEC

border

#D5CAC7

text

#170B07

muted

#857C7A

Preview Lab

Preview with #C64737

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

Preview Lab → · Contrast checker → · Palette generator →