#C63E38#C63E38

#C63E38 is a mid, vivid red. Relative luminance 0.157; OKLCH L 56.0% C 0.174 H 26.8°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#C63E38
RGB	rgb(198, 62, 56)
HSL	hsl(3, 56%, 50%)
HSV	hsv(3, 72%, 78%)
CMYK	cmyk(0%, 68.7%, 71.7%, 22.4%)
CIE-LAB	lab(46.63, 53.47, 34.40)
CIE-LCH	lch(46.63, 63.58, 32.75°)
OKLab	oklab(56.05% 0.1549 0.0784)
OKLCH	oklch(56.05% 0.174 26.8)
XYZ	xyz(25.7280, 15.7403, 5.4241)
Luminance	0.1574 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63E38 #38C0C6

analogous

#C63879 #C63E38 #C68538

triadic

#C63E38 #38C63E #3E38C6

tetradic

#C63E38 #79C638 #38C0C6 #8538C6

square

#C63E38 #79C638 #38C0C6 #8538C6

split-complementary

#C63E38 #38C685 #3879C6

monochromatic

#67201D #962F2B #C63E38 #D46C67 #E29A97

Accessibility & contrast

On white

5.06

#C63E38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#C63E38 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63E38

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63E38	#FFFFFF	#000000	##FFFFFF
##C63E38	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)

#645C36

Deuteranopia (green-blind)

#867933

Tritanopia (blue-blind)

#DA133E

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c63e38;
/* rgb */ color: rgb(198, 62, 56);
/* oklch */ color: oklch(56.0% 0.174 26.8);

Tailwind

colors: {
  custom: {
    50: '#df7b6f',
    500: '#c63e38',
    950: '#000000',
  },
}

SCSS

$custom: #c63e38;
$custom-light: #df7b6f;
$custom-dark: #000000;

JSON

{
  "hex": "#c63e38",
  "rgb": {
    "r": 198,
    "g": 62,
    "b": 56
  },
  "hsl": {
    "h": 2.535,
    "s": 55.906,
    "l": 49.804
  },
  "oklch": {
    "l": 0.56048,
    "c": 0.1736,
    "h": 26.8
  },
  "luminance": 0.15737
}

Semantic roles & 50–950 ramp

primary

#C63E38

secondary

#8DCACD

accent

#D9DF49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C63E38

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

Preview Lab → · Contrast checker → · Palette generator →