#C63B38#C63B38

#C63B38 is a mid, vivid red. Relative luminance 0.154; OKLCH L 55.7% C 0.176 H 26.0°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#C63B38
RGB	rgb(198, 59, 56)
HSL	hsl(1, 56%, 50%)
HSV	hsv(1, 72%, 78%)
CMYK	cmyk(0%, 70.2%, 71.7%, 22.4%)
CIE-LAB	lab(46.21, 54.63, 33.91)
CIE-LCH	lch(46.21, 64.30, 31.82°)
OKLab	oklab(55.73% 0.1586 0.0773)
OKLCH	oklch(55.73% 0.176 26)
XYZ	xyz(25.5693, 15.4230, 5.3712)
Luminance	0.1542 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63B38 #38C3C6

analogous

#C6387C #C63B38 #C68238

triadic

#C63B38 #38C63B #3B38C6

tetradic

#C63B38 #7CC638 #38C3C6 #8238C6

square

#C63B38 #7CC638 #38C3C6 #8238C6

split-complementary

#C63B38 #38C682 #387CC6

monochromatic

#671F1D #962D2B #C63B38 #D46967 #E29897

Accessibility & contrast

On white

5.14

#C63B38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#C63B38 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63B38

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63B38	#FFFFFF	#000000	##FFFFFF
##C63B38	1.00	5.14	4.08	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635A36

Deuteranopia (green-blind)

#857833

Tritanopia (blue-blind)

#DA073C

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c63b38;
/* rgb */ color: rgb(198, 59, 56);
/* oklch */ color: oklch(55.7% 0.176 26.0);

Tailwind

colors: {
  custom: {
    50: '#e07a6f',
    500: '#c63b38',
    950: '#000000',
  },
}

SCSS

$custom: #c63b38;
$custom-light: #e07a6f;
$custom-dark: #000000;

JSON

{
  "hex": "#c63b38",
  "rgb": {
    "r": 198,
    "g": 59,
    "b": 56
  },
  "hsl": {
    "h": 1.268,
    "s": 55.906,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55731,
    "c": 0.1764,
    "h": 26
  },
  "luminance": 0.15419
}

Semantic roles & 50–950 ramp

primary

#C63B38

secondary

#8DCCCD

accent

#DCDF49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C63B38

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

Preview Lab → · Contrast checker → · Palette generator →