#C64B31#C64B31

#C64B31 is a mid, vivid red. Relative luminance 0.173; OKLCH L 57.5% C 0.163 H 33.6°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#C64B31
RGB	rgb(198, 75, 49)
HSL	hsl(10, 60%, 48%)
HSV	hsv(10, 75%, 78%)
CMYK	cmyk(0%, 62.1%, 75.3%, 22.4%)
CIE-LAB	lab(48.59, 47.67, 40.47)
CIE-LCH	lch(48.59, 62.53, 40.33°)
OKLab	oklab(57.49% 0.1353 0.09)
OKLCH	oklch(57.49% 0.163 33.6)
XYZ	xyz(26.3620, 17.2634, 4.8492)
Luminance	0.1726 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C64B31 #31ACC6

analogous

#C63161 #C64B31 #C69531

triadic

#C64B31 #31C64B #4B31C6

tetradic

#C64B31 #61C631 #31ACC6 #9531C6

square

#C64B31 #61C631 #31ACC6 #9531C6

split-complementary

#C64B31 #31C695 #3161C6

monochromatic

#642619 #953825 #C64B31 #D7725D #E39D8E

Accessibility & contrast

On white

4.72

#C64B31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#C64B31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C64B31

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C64B31	#FFFFFF	#000000	##FFFFFF
##C64B31	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D622D

Deuteranopia (green-blind)

#8C7E2D

Tritanopia (blue-blind)

#DA2D46

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #c64b31;
/* rgb */ color: rgb(198, 75, 49);
/* oklch */ color: oklch(57.5% 0.163 33.6);

Tailwind

colors: {
  custom: {
    50: '#df826a',
    500: '#c64b31',
    950: '#000000',
  },
}

SCSS

$custom: #c64b31;
$custom-light: #df826a;
$custom-dark: #000000;

JSON

{
  "hex": "#c64b31",
  "rgb": {
    "r": 198,
    "g": 75,
    "b": 49
  },
  "hsl": {
    "h": 10.47,
    "s": 60.324,
    "l": 48.431
  },
  "oklch": {
    "l": 0.57493,
    "c": 0.16255,
    "h": 33.6
  },
  "luminance": 0.1726
}

Semantic roles & 50–950 ramp

primary

#C64B31

secondary

#85C1CE

accent

#C8E344

background

#FEF8F6

surface

#FDEFEB

border

#D5CAC6

text

#170B06

muted

#857C7A

Preview Lab

Preview with #C64B31

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

Preview Lab → · Contrast checker → · Palette generator →