#C63F40#C63F40

#C63F40 is a mid, vivid red. Relative luminance 0.159; OKLCH L 56.3% C 0.172 H 24.1°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#C63F40
RGB	rgb(198, 63, 64)
HSL	hsl(360, 54%, 51%)
HSV	hsv(360, 68%, 78%)
CMYK	cmyk(0%, 68.2%, 67.7%, 22.4%)
CIE-LAB	lab(46.89, 53.48, 30.04)
CIE-LCH	lch(46.89, 61.34, 29.32°)
OKLab	oklab(56.28% 0.1566 0.0702)
OKLCH	oklch(56.28% 0.172 24.1)
XYZ	xyz(25.9944, 15.9347, 6.5564)
Luminance	0.1593 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63F40 #3FC6C5

analogous

#C63F83 #C63F40 #C6813F

triadic

#C63F40 #40C63F #3F40C6

tetradic

#C63F40 #83C63F #3FC6C5 #813FC6

square

#C63F40 #83C63F #3FC6C5 #813FC6

split-complementary

#C63F40 #3FC681 #3F83C6

monochromatic

#6B2020 #9A2E2F #C63F40 #D46E6F #E29D9E

Accessibility & contrast

On white

5.02

#C63F40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#C63F40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63F40

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63F40	#FFFFFF	#000000	##FFFFFF
##C63F40	1.00	5.02	4.19	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645D3F

Deuteranopia (green-blind)

#867A3C

Tritanopia (blue-blind)

#D91941

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #c63f40;
/* rgb */ color: rgb(198, 63, 64);
/* oklch */ color: oklch(56.3% 0.172 24.1);

Tailwind

colors: {
  custom: {
    50: '#df7c75',
    500: '#c63f40',
    950: '#000000',
  },
}

SCSS

$custom: #c63f40;
$custom-light: #df7c75;
$custom-dark: #000000;

JSON

{
  "hex": "#c63f40",
  "rgb": {
    "r": 198,
    "g": 63,
    "b": 64
  },
  "hsl": {
    "h": 359.556,
    "s": 54.217,
    "l": 51.176
  },
  "oklch": {
    "l": 0.56276,
    "c": 0.17156,
    "h": 24.1
  },
  "luminance": 0.15931
}

Semantic roles & 50–950 ramp

primary

#C63F40

secondary

#93CECE

accent

#DEDC4A

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C63F40

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

Preview Lab → · Contrast checker → · Palette generator →