#C63A40#C63A40

#C63A40 is a mid, vivid red. Relative luminance 0.154; OKLCH L 55.8% C 0.176 H 22.8°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#C63A40
RGB	rgb(198, 58, 64)
HSL	hsl(357, 55%, 50%)
HSV	hsv(357, 71%, 78%)
CMYK	cmyk(0%, 70.7%, 67.7%, 22.4%)
CIE-LAB	lab(46.19, 55.41, 29.18)
CIE-LCH	lch(46.19, 62.62, 27.77°)
OKLab	oklab(55.75% 0.1627 0.0682)
OKLCH	oklch(55.75% 0.176 22.8)
XYZ	xyz(25.7299, 15.4058, 6.4683)
Luminance	0.1540 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63A40 #3AC6C0

analogous

#C63A86 #C63A40 #C67A3A

triadic

#C63A40 #40C63A #3A40C6

tetradic

#C63A40 #86C63A #3AC6C0 #7A3AC6

square

#C63A40 #86C63A #3AC6C0 #7A3AC6

split-complementary

#C63A40 #3AC67A #3A86C6

monochromatic

#681E21 #972C30 #C63A40 #D4696E #E1999C

Accessibility & contrast

On white

5.15

#C63A40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#C63A40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63A40

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63A40	#FFFFFF	#000000	##FFFFFF
##C63A40	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615A3F

Deuteranopia (green-blind)

#84783C

Tritanopia (blue-blind)

#D9093E

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c63a40;
/* rgb */ color: rgb(198, 58, 64);
/* oklch */ color: oklch(55.8% 0.176 22.8);

Tailwind

colors: {
  custom: {
    50: '#df7a75',
    500: '#c63a40',
    950: '#000000',
  },
}

SCSS

$custom: #c63a40;
$custom-light: #df7a75;
$custom-dark: #000000;

JSON

{
  "hex": "#c63a40",
  "rgb": {
    "r": 198,
    "g": 58,
    "b": 64
  },
  "hsl": {
    "h": 357.429,
    "s": 55.118,
    "l": 50.196
  },
  "oklch": {
    "l": 0.55751,
    "c": 0.1764,
    "h": 22.8
  },
  "luminance": 0.15402
}

Semantic roles & 50–950 ramp

primary

#C63A40

secondary

#8FCDCB

accent

#DED849

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C63A40

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

Preview Lab → · Contrast checker → · Palette generator →