#C83631#C83631

#C83631 is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.5% C 0.184 H 27.1°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#C83631
RGB	rgb(200, 54, 49)
HSL	hsl(2, 61%, 49%)
HSV	hsv(2, 76%, 78%)
CMYK	cmyk(0%, 73%, 75.5%, 21.6%)
CIE-LAB	lab(45.83, 56.80, 37.58)
CIE-LCH	lch(45.83, 68.10, 33.49°)
OKLab	oklab(55.49% 0.1637 0.0837)
OKLCH	oklch(55.49% 0.184 27.1)
XYZ	xyz(25.6959, 15.1434, 4.4751)
Luminance	0.1514 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C83631 #31C3C8

analogous

#C83178 #C83631 #C88231

triadic

#C83631 #31C836 #3631C8

tetradic

#C83631 #78C831 #31C3C8 #8231C8

square

#C83631 #78C831 #31C3C8 #8231C8

split-complementary

#C83631 #31C882 #3178C8

monochromatic

#661B19 #972925 #C83631 #D8635F #E49290

Accessibility & contrast

On white

5.21

#C83631 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#C83631 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C83631

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C83631	#FFFFFF	#000000	##FFFFFF
##C83631	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61582F

Deuteranopia (green-blind)

#86782B

Tritanopia (blue-blind)

#DC0037

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c83631;
/* rgb */ color: rgb(200, 54, 49);
/* oklch */ color: oklch(55.5% 0.184 27.1);

Tailwind

colors: {
  custom: {
    50: '#e2786a',
    500: '#c83631',
    950: '#000000',
  },
}

SCSS

$custom: #c83631;
$custom-light: #e2786a;
$custom-dark: #000000;

JSON

{
  "hex": "#c83631",
  "rgb": {
    "r": 200,
    "g": 54,
    "b": 49
  },
  "hsl": {
    "h": 1.987,
    "s": 60.643,
    "l": 48.824
  },
  "oklch": {
    "l": 0.55489,
    "c": 0.1838,
    "h": 27.1
  },
  "luminance": 0.15139
}

Semantic roles & 50–950 ramp

primary

#C83631

secondary

#86CCCE

accent

#DEE444

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C83631

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

Preview Lab → · Contrast checker → · Palette generator →