#C63D51#C63D51

#C63D51 is a mid, vivid red. Relative luminance 0.159; OKLCH L 56.4% C 0.173 H 16.4°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#C63D51
RGB	rgb(198, 61, 81)
HSL	hsl(351, 55%, 51%)
HSV	hsv(351, 69%, 78%)
CMYK	cmyk(0%, 69.2%, 59.1%, 22.4%)
CIE-LAB	lab(46.90, 55.31, 19.84)
CIE-LCH	lch(46.90, 58.76, 19.73°)
OKLab	oklab(56.38% 0.1656 0.0487)
OKLCH	oklch(56.38% 0.173 16.4)
XYZ	xyz(26.4452, 15.9410, 9.4674)
Luminance	0.1594 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63D51 #3DC6B2

analogous

#C63D95 #C63D51 #C66D3D

triadic

#C63D51 #51C63D #3D51C6

tetradic

#C63D51 #95C63D #3DC6B2 #6D3DC6

square

#C63D51 #95C63D #3DC6B2 #6D3DC6

split-complementary

#C63D51 #3DC66D #3D95C6

monochromatic

#6A1F2A #992D3D #C63D51 #D46C7B #E29CA6

Accessibility & contrast

On white

5.02

#C63D51 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#C63D51 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63D51

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63D51	#FFFFFF	#000000	##FFFFFF
##C63D51	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)

#615D51

Deuteranopia (green-blind)

#837A4D

Tritanopia (blue-blind)

#D91C45

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #c63d51;
/* rgb */ color: rgb(198, 61, 81);
/* oklch */ color: oklch(56.4% 0.173 16.4);

Tailwind

colors: {
  custom: {
    50: '#de7b81',
    500: '#c63d51',
    950: '#000000',
  },
}

SCSS

$custom: #c63d51;
$custom-light: #de7b81;
$custom-dark: #000000;

JSON

{
  "hex": "#c63d51",
  "rgb": {
    "r": 198,
    "g": 61,
    "b": 81
  },
  "hsl": {
    "h": 351.241,
    "s": 54.582,
    "l": 50.784
  },
  "oklch": {
    "l": 0.56378,
    "c": 0.17262,
    "h": 16.4
  },
  "luminance": 0.15937
}

Semantic roles & 50–950 ramp

primary

#C63D51

secondary

#91CEC5

accent

#DEC84A

background

#FEF7F7

surface

#FDEEEE

border

#D5C9C9

text

#160A0A

muted

#847C7C

Preview Lab

Preview with #C63D51

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

Preview Lab → · Contrast checker → · Palette generator →