#C63C40#C63C40

#C63C40 is a mid, vivid red. Relative luminance 0.156; OKLCH L 56.0% C 0.174 H 23.3°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#C63C40
RGB	rgb(198, 60, 64)
HSL	hsl(358, 55%, 51%)
HSV	hsv(358, 70%, 78%)
CMYK	cmyk(0%, 69.7%, 67.7%, 22.4%)
CIE-LAB	lab(46.46, 54.65, 29.52)
CIE-LCH	lch(46.46, 62.11, 28.37°)
OKLab	oklab(55.96% 0.1603 0.069)
OKLCH	oklch(55.96% 0.174 23.3)
XYZ	xyz(25.8327, 15.6114, 6.5025)
Luminance	0.1561 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63C40 #3CC6C2

analogous

#C63C85 #C63C40 #C67D3C

triadic

#C63C40 #40C63C #3C40C6

tetradic

#C63C40 #85C63C #3CC6C2 #7D3CC6

square

#C63C40 #85C63C #3CC6C2 #7D3CC6

split-complementary

#C63C40 #3CC67D #3C85C6

monochromatic

#691F21 #982D30 #C63C40 #D46B6E #E29B9D

Accessibility & contrast

On white

5.10

#C63C40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#C63C40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63C40

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63C40	#FFFFFF	#000000	##FFFFFF
##C63C40	1.00	5.10	4.12	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625B3F

Deuteranopia (green-blind)

#85793C

Tritanopia (blue-blind)

#D9103F

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c63c40;
/* rgb */ color: rgb(198, 60, 64);
/* oklch */ color: oklch(56.0% 0.174 23.3);

Tailwind

colors: {
  custom: {
    50: '#df7b75',
    500: '#c63c40',
    950: '#000000',
  },
}

SCSS

$custom: #c63c40;
$custom-light: #df7b75;
$custom-dark: #000000;

JSON

{
  "hex": "#c63c40",
  "rgb": {
    "r": 198,
    "g": 60,
    "b": 64
  },
  "hsl": {
    "h": 358.261,
    "s": 54.762,
    "l": 50.588
  },
  "oklch": {
    "l": 0.55956,
    "c": 0.17449,
    "h": 23.3
  },
  "luminance": 0.15608
}

Semantic roles & 50–950 ramp

primary

#C63C40

secondary

#90CECC

accent

#DEDA4A

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C63C40

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

Preview Lab → · Contrast checker → · Palette generator →