#C63D30#C63D30

#C63D30 is a mid, vivid red. Relative luminance 0.156; OKLCH L 55.8% C 0.176 H 29.2°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#C63D30
RGB	rgb(198, 61, 48)
HSL	hsl(5, 61%, 48%)
HSV	hsv(5, 76%, 78%)
CMYK	cmyk(0%, 69.2%, 75.8%, 22.4%)
CIE-LAB	lab(46.39, 53.52, 38.65)
CIE-LCH	lch(46.39, 66.02, 35.83°)
OKLab	oklab(55.84% 0.1534 0.0858)
OKLCH	oklch(55.84% 0.176 29.2)
XYZ	xyz(25.4938, 15.5605, 4.4568)
Luminance	0.1556 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63D30 #30B9C6

analogous

#C6306E #C63D30 #C68830

triadic

#C63D30 #30C63D #3D30C6

tetradic

#C63D30 #6EC630 #30B9C6 #8830C6

square

#C63D30 #6EC630 #30B9C6 #8830C6

split-complementary

#C63D30 #30C688 #306EC6

monochromatic

#631F18 #952E24 #C63D30 #D7665C #E3958D

Accessibility & contrast

On white

5.11

#C63D30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#C63D30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63D30

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63D30	#FFFFFF	#000000	##FFFFFF
##C63D30	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655B2D

Deuteranopia (green-blind)

#87792B

Tritanopia (blue-blind)

#DA0C3B

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c63d30;
/* rgb */ color: rgb(198, 61, 48);
/* oklch */ color: oklch(55.8% 0.176 29.2);

Tailwind

colors: {
  custom: {
    50: '#e07b69',
    500: '#c63d30',
    950: '#000000',
  },
}

SCSS

$custom: #c63d30;
$custom-light: #e07b69;
$custom-dark: #000000;

JSON

{
  "hex": "#c63d30",
  "rgb": {
    "r": 198,
    "g": 61,
    "b": 48
  },
  "hsl": {
    "h": 5.2,
    "s": 60.976,
    "l": 48.235
  },
  "oklch": {
    "l": 0.55838,
    "c": 0.17578,
    "h": 29.2
  },
  "luminance": 0.15557
}

Semantic roles & 50–950 ramp

primary

#C63D30

secondary

#84C7CE

accent

#D6E444

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C63D30

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

Preview Lab → · Contrast checker → · Palette generator →