#C63E39#C63E39

#C63E39 is a mid, vivid red. Relative luminance 0.157; OKLCH L 56.1% C 0.173 H 26.5°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#C63E39
RGB	rgb(198, 62, 57)
HSL	hsl(2, 55%, 50%)
HSV	hsv(2, 71%, 78%)
CMYK	cmyk(0%, 68.7%, 71.2%, 22.4%)
CIE-LAB	lab(46.65, 53.52, 33.83)
CIE-LCH	lch(46.65, 63.32, 32.30°)
OKLab	oklab(56.06% 0.1552 0.0774)
OKLCH	oklch(56.06% 0.173 26.5)
XYZ	xyz(25.7527, 15.7502, 5.5542)
Luminance	0.1575 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63E39 #39C1C6

analogous

#C6397A #C63E39 #C68539

triadic

#C63E39 #39C63E #3E39C6

tetradic

#C63E39 #7AC639 #39C1C6 #8539C6

square

#C63E39 #7AC639 #39C1C6 #8539C6

split-complementary

#C63E39 #39C685 #397AC6

monochromatic

#67201E #962F2B #C63E39 #D46C69 #E19B98

Accessibility & contrast

On white

5.06

#C63E39 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#C63E39 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63E39

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63E39	#FFFFFF	#000000	##FFFFFF
##C63E39	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645C37

Deuteranopia (green-blind)

#867935

Tritanopia (blue-blind)

#DA133E

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #c63e39;
/* rgb */ color: rgb(198, 62, 57);
/* oklch */ color: oklch(56.1% 0.173 26.5);

Tailwind

colors: {
  custom: {
    50: '#df7b70',
    500: '#c63e39',
    950: '#000000',
  },
}

SCSS

$custom: #c63e39;
$custom-light: #df7b70;
$custom-dark: #000000;

JSON

{
  "hex": "#c63e39",
  "rgb": {
    "r": 198,
    "g": 62,
    "b": 57
  },
  "hsl": {
    "h": 2.128,
    "s": 55.294,
    "l": 50
  },
  "oklch": {
    "l": 0.56062,
    "c": 0.17344,
    "h": 26.5
  },
  "luminance": 0.15746
}

Semantic roles & 50–950 ramp

primary

#C63E39

secondary

#8ECBCD

accent

#D9DF49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C63E39

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

Preview Lab → · Contrast checker → · Palette generator →