#C63A51#C63A51

#C63A51 is a mid, vivid red. Relative luminance 0.156; OKLCH L 56.1% C 0.176 H 15.6°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#C63A51
RGB	rgb(198, 58, 81)
HSL	hsl(350, 55%, 50%)
HSV	hsv(350, 71%, 78%)
CMYK	cmyk(0%, 70.7%, 59.1%, 22.4%)
CIE-LAB	lab(46.48, 56.44, 19.29)
CIE-LCH	lch(46.48, 59.65, 18.87°)
OKLab	oklab(56.07% 0.1692 0.0474)
OKLCH	oklch(56.07% 0.176 15.6)
XYZ	xyz(26.2895, 15.6297, 9.4155)
Luminance	0.1563 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63A51 #3AC6AF

analogous

#C63A97 #C63A51 #C6693A

triadic

#C63A51 #51C63A #3A51C6

tetradic

#C63A51 #97C63A #3AC6AF #693AC6

square

#C63A51 #97C63A #3AC6AF #693AC6

split-complementary

#C63A51 #3AC669 #3A97C6

monochromatic

#681E2A #972C3D #C63A51 #D4697B #E199A5

Accessibility & contrast

On white

5.09

#C63A51 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#C63A51 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63A51

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63A51	#FFFFFF	#000000	##FFFFFF
##C63A51	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)

#5F5C51

Deuteranopia (green-blind)

#82794D

Tritanopia (blue-blind)

#D91543

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c63a51;
/* rgb */ color: rgb(198, 58, 81);
/* oklch */ color: oklch(56.1% 0.176 15.6);

Tailwind

colors: {
  custom: {
    50: '#de7a81',
    500: '#c63a51',
    950: '#000000',
  },
}

SCSS

$custom: #c63a51;
$custom-light: #de7a81;
$custom-dark: #000000;

JSON

{
  "hex": "#c63a51",
  "rgb": {
    "r": 198,
    "g": 58,
    "b": 81
  },
  "hsl": {
    "h": 350.143,
    "s": 55.118,
    "l": 50.196
  },
  "oklch": {
    "l": 0.56071,
    "c": 0.17575,
    "h": 15.6
  },
  "luminance": 0.15626
}

Semantic roles & 50–950 ramp

primary

#C63A51

secondary

#8FCDC3

accent

#DEC649

background

#FEF7F7

surface

#FDEEEE

border

#D5C9C9

text

#160A0A

muted

#847C7C

Preview Lab

Preview with #C63A51

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

Preview Lab → · Contrast checker → · Palette generator →