#C63F51#C63F51

#C63F51 is a mid, vivid red. Relative luminance 0.162; OKLCH L 56.6% C 0.170 H 16.9°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#C63F51
RGB	rgb(198, 63, 81)
HSL	hsl(352, 54%, 51%)
HSV	hsv(352, 68%, 78%)
CMYK	cmyk(0%, 68.2%, 59.1%, 22.4%)
CIE-LAB	lab(47.18, 54.53, 20.22)
CIE-LCH	lch(47.18, 58.16, 20.34°)
OKLab	oklab(56.59% 0.1631 0.0496)
OKLCH	oklch(56.59% 0.17 16.9)
XYZ	xyz(26.5540, 16.1585, 9.5036)
Luminance	0.1615 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63F51 #3FC6B4

analogous

#C63F94 #C63F51 #C6703F

triadic

#C63F51 #51C63F #3F51C6

tetradic

#C63F51 #94C63F #3FC6B4 #703FC6

square

#C63F51 #94C63F #3FC6B4 #703FC6

split-complementary

#C63F51 #3FC670 #3F94C6

monochromatic

#6B202A #9A2E3C #C63F51 #D46E7C #E29DA7

Accessibility & contrast

On white

4.96

#C63F51 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#C63F51 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63F51

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63F51	#FFFFFF	#000000	##FFFFFF
##C63F51	1.00	4.96	4.23	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625E51

Deuteranopia (green-blind)

#847A4D

Tritanopia (blue-blind)

#D92046

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #c63f51;
/* rgb */ color: rgb(198, 63, 81);
/* oklch */ color: oklch(56.6% 0.170 16.9);

Tailwind

colors: {
  custom: {
    50: '#de7c81',
    500: '#c63f51',
    950: '#000000',
  },
}

SCSS

$custom: #c63f51;
$custom-light: #de7c81;
$custom-dark: #000000;

JSON

{
  "hex": "#c63f51",
  "rgb": {
    "r": 198,
    "g": 63,
    "b": 81
  },
  "hsl": {
    "h": 352,
    "s": 54.217,
    "l": 51.176
  },
  "oklch": {
    "l": 0.5659,
    "c": 0.17049,
    "h": 16.9
  },
  "luminance": 0.16155
}

Semantic roles & 50–950 ramp

primary

#C63F51

secondary

#93CEC6

accent

#DECA4A

background

#FEF7F7

surface

#FDEEEE

border

#D5C9C9

text

#160A0A

muted

#847C7C

Preview Lab

Preview with #C63F51

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

Preview Lab → · Contrast checker → · Palette generator →