#C63D38#C63D38

#C63D38 is a mid, vivid red. Relative luminance 0.156; OKLCH L 55.9% C 0.175 H 26.6°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#C63D38
RGB	rgb(198, 61, 56)
HSL	hsl(2, 56%, 50%)
HSV	hsv(2, 72%, 78%)
CMYK	cmyk(0%, 69.2%, 71.7%, 22.4%)
CIE-LAB	lab(46.49, 53.87, 34.23)
CIE-LCH	lch(46.49, 63.82, 32.44°)
OKLab	oklab(55.94% 0.1561 0.078)
OKLCH	oklch(55.94% 0.175 26.6)
XYZ	xyz(25.6741, 15.6326, 5.4061)
Luminance	0.1563 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63D38 #38C1C6

analogous

#C6387A #C63D38 #C68438

triadic

#C63D38 #38C63D #3D38C6

tetradic

#C63D38 #7AC638 #38C1C6 #8438C6

square

#C63D38 #7AC638 #38C1C6 #8438C6

split-complementary

#C63D38 #38C684 #387AC6

monochromatic

#67201D #962E2B #C63D38 #D46B67 #E29997

Accessibility & contrast

On white

5.09

#C63D38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#C63D38 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63D38

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63D38	#FFFFFF	#000000	##FFFFFF
##C63D38	1.00	5.09	4.13	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645B36

Deuteranopia (green-blind)

#867933

Tritanopia (blue-blind)

#DA103D

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c63d38;
/* rgb */ color: rgb(198, 61, 56);
/* oklch */ color: oklch(55.9% 0.175 26.6);

Tailwind

colors: {
  custom: {
    50: '#df7b6f',
    500: '#c63d38',
    950: '#000000',
  },
}

SCSS

$custom: #c63d38;
$custom-light: #df7b6f;
$custom-dark: #000000;

JSON

{
  "hex": "#c63d38",
  "rgb": {
    "r": 198,
    "g": 61,
    "b": 56
  },
  "hsl": {
    "h": 2.113,
    "s": 55.906,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55941,
    "c": 0.17453,
    "h": 26.6
  },
  "luminance": 0.15629
}

Semantic roles & 50–950 ramp

primary

#C63D38

secondary

#8DCBCD

accent

#DADF49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C63D38

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

Preview Lab → · Contrast checker → · Palette generator →