#C64037#C64037

#C64037 is a mid, vivid red. Relative luminance 0.159; OKLCH L 56.3% C 0.172 H 27.8°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#C64037
RGB	rgb(198, 64, 55)
HSL	hsl(4, 57%, 50%)
HSV	hsv(4, 72%, 78%)
CMYK	cmyk(0%, 67.7%, 72.2%, 22.4%)
CIE-LAB	lab(46.91, 52.63, 35.29)
CIE-LCH	lch(46.91, 63.37, 33.84°)
OKLab	oklab(56.25% 0.152 0.0801)
OKLCH	oklch(56.25% 0.172 27.8)
XYZ	xyz(25.8145, 15.9522, 5.3335)
Luminance	0.1595 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C64037 #37BDC6

analogous

#C63776 #C64037 #C68737

triadic

#C64037 #37C640 #4037C6

tetradic

#C64037 #76C637 #37BDC6 #8737C6

square

#C64037 #76C637 #37BDC6 #8737C6

split-complementary

#C64037 #37C687 #3776C6

monochromatic

#66211C #96312A #C64037 #D46D66 #E29A96

Accessibility & contrast

On white

5.01

#C64037 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#C64037 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C64037

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C64037	#FFFFFF	#000000	##FFFFFF
##C64037	1.00	5.01	4.19	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665D35

Deuteranopia (green-blind)

#877A33

Tritanopia (blue-blind)

#DA183F

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #c64037;
/* rgb */ color: rgb(198, 64, 55);
/* oklch */ color: oklch(56.3% 0.172 27.8);

Tailwind

colors: {
  custom: {
    50: '#df7c6e',
    500: '#c64037',
    950: '#000000',
  },
}

SCSS

$custom: #c64037;
$custom-light: #df7c6e;
$custom-dark: #000000;

JSON

{
  "hex": "#c64037",
  "rgb": {
    "r": 198,
    "g": 64,
    "b": 55
  },
  "hsl": {
    "h": 3.776,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.56254,
    "c": 0.17186,
    "h": 27.8
  },
  "luminance": 0.15948
}

Semantic roles & 50–950 ramp

primary

#C64037

secondary

#8CC9CD

accent

#D6E048

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C64037

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

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