#C64C37#C64C37

#C64C37 is a mid, vivid red. Relative luminance 0.174; OKLCH L 57.7% C 0.160 H 32.0°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#C64C37
RGB	rgb(198, 76, 55)
HSL	hsl(9, 57%, 50%)
HSV	hsv(9, 72%, 78%)
CMYK	cmyk(0%, 61.6%, 72.2%, 22.4%)
CIE-LAB	lab(48.83, 47.48, 37.47)
CIE-LCH	lch(48.83, 60.48, 38.27°)
OKLab	oklab(57.69% 0.1359 0.0849)
OKLCH	oklch(57.69% 0.16 32)
XYZ	xyz(26.5655, 17.4542, 5.5838)
Luminance	0.1745 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C64C37 #37B1C6

analogous

#C6376A #C64C37 #C69437

triadic

#C64C37 #37C64C #4C37C6

tetradic

#C64C37 #6AC637 #37B1C6 #9437C6

square

#C64C37 #6AC637 #37B1C6 #9437C6

split-complementary

#C64C37 #37C694 #376AC6

monochromatic

#66271C #963A2A #C64C37 #D47666 #E2A196

Accessibility & contrast

On white

4.68

#C64C37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#C64C37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C64C37

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C64C37	#FFFFFF	#000000	##FFFFFF
##C64C37	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D6334

Deuteranopia (green-blind)

#8C7E33

Tritanopia (blue-blind)

#D92F48

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #c64c37;
/* rgb */ color: rgb(198, 76, 55);
/* oklch */ color: oklch(57.7% 0.160 32.0);

Tailwind

colors: {
  custom: {
    50: '#df836f',
    500: '#c64c37',
    950: '#000000',
  },
}

SCSS

$custom: #c64c37;
$custom-light: #df836f;
$custom-dark: #000000;

JSON

{
  "hex": "#c64c37",
  "rgb": {
    "r": 198,
    "g": 76,
    "b": 55
  },
  "hsl": {
    "h": 8.811,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.57693,
    "c": 0.16024,
    "h": 32
  },
  "luminance": 0.1745
}

Semantic roles & 50–950 ramp

primary

#C64C37

secondary

#8CC3CD

accent

#CAE048

background

#FEF8F6

surface

#FDEFEC

border

#D5CAC7

text

#170B07

muted

#857C7A

Preview Lab

Preview with #C64C37

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

Preview Lab → · Contrast checker → · Palette generator →