#C64437#C64437

#C64437 is a mid, vivid red. Relative luminance 0.164; OKLCH L 56.7% C 0.168 H 29.1°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#C64437
RGB	rgb(198, 68, 55)
HSL	hsl(5, 57%, 50%)
HSV	hsv(5, 72%, 78%)
CMYK	cmyk(0%, 65.7%, 72.2%, 22.4%)
CIE-LAB	lab(47.52, 50.98, 35.99)
CIE-LCH	lch(47.52, 62.40, 35.22°)
OKLab	oklab(56.71% 0.1469 0.0817)
OKLCH	oklch(56.71% 0.168 29.1)
XYZ	xyz(26.0482, 16.4196, 5.4114)
Luminance	0.1642 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C64437 #37B9C6

analogous

#C63771 #C64437 #C68C37

triadic

#C64437 #37C644 #4437C6

tetradic

#C64437 #71C637 #37B9C6 #8C37C6

square

#C64437 #71C637 #37B9C6 #8C37C6

split-complementary

#C64437 #37C68C #3771C6

monochromatic

#66231C #96342A #C64437 #D47066 #E29D96

Accessibility & contrast

On white

4.90

#C64437 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#C64437 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C64437

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C64437	#FFFFFF	#000000	##FFFFFF
##C64437	1.00	4.90	4.28	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685F35

Deuteranopia (green-blind)

#897B33

Tritanopia (blue-blind)

#DA2142

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #c64437;
/* rgb */ color: rgb(198, 68, 55);
/* oklch */ color: oklch(56.7% 0.168 29.1);

Tailwind

colors: {
  custom: {
    50: '#df7e6e',
    500: '#c64437',
    950: '#000000',
  },
}

SCSS

$custom: #c64437;
$custom-light: #df7e6e;
$custom-dark: #000000;

JSON

{
  "hex": "#c64437",
  "rgb": {
    "r": 198,
    "g": 68,
    "b": 55
  },
  "hsl": {
    "h": 5.455,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.5671,
    "c": 0.16803,
    "h": 29.1
  },
  "luminance": 0.16416
}

Semantic roles & 50–950 ramp

primary

#C64437

secondary

#8CC7CD

accent

#D2E048

background

#FEF8F6

surface

#FDEFEC

border

#D5CAC7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C64437

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

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