#C63631#C63631

#C63631 is a mid, vivid red. Relative luminance 0.149; OKLCH L 55.1% C 0.182 H 27.0°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#C63631
RGB	rgb(198, 54, 49)
HSL	hsl(2, 60%, 48%)
HSV	hsv(2, 75%, 78%)
CMYK	cmyk(0%, 72.7%, 75.3%, 22.4%)
CIE-LAB	lab(45.46, 56.17, 37.07)
CIE-LCH	lch(45.46, 67.30, 33.42°)
OKLab	oklab(55.14% 0.1619 0.0827)
OKLCH	oklch(55.14% 0.182 27)
XYZ	xyz(25.1652, 14.8697, 4.4502)
Luminance	0.1487 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63631 #31C1C6

analogous

#C63177 #C63631 #C68031

triadic

#C63631 #31C636 #3631C6

tetradic

#C63631 #77C631 #31C1C6 #8031C6

square

#C63631 #77C631 #31C1C6 #8031C6

split-complementary

#C63631 #31C680 #3177C6

monochromatic

#641B19 #952925 #C63631 #D7615D #E3918E

Accessibility & contrast

On white

5.29

#C63631 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#C63631 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63631

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63631	#FFFFFF	#000000	##FFFFFF
##C63631	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61582F

Deuteranopia (green-blind)

#84772B

Tritanopia (blue-blind)

#DA0036

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c63631;
/* rgb */ color: rgb(198, 54, 49);
/* oklch */ color: oklch(55.1% 0.182 27.0);

Tailwind

colors: {
  custom: {
    50: '#e0776a',
    500: '#c63631',
    950: '#000000',
  },
}

SCSS

$custom: #c63631;
$custom-light: #e0776a;
$custom-dark: #000000;

JSON

{
  "hex": "#c63631",
  "rgb": {
    "r": 198,
    "g": 54,
    "b": 49
  },
  "hsl": {
    "h": 2.013,
    "s": 60.324,
    "l": 48.431
  },
  "oklch": {
    "l": 0.55142,
    "c": 0.18179,
    "h": 27
  },
  "luminance": 0.14866
}

Semantic roles & 50–950 ramp

primary

#C63631

secondary

#85CBCE

accent

#DEE344

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C63631

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

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