#C83131#C83131

#C83131 is a mid, vivid red. Relative luminance 0.147; OKLCH L 55.0% C 0.188 H 25.9°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#C83131
RGB	rgb(200, 49, 49)
HSL	hsl(0, 61%, 49%)
HSV	hsv(0, 76%, 78%)
CMYK	cmyk(0%, 75.5%, 75.5%, 21.6%)
CIE-LAB	lab(45.22, 58.48, 36.92)
CIE-LCH	lch(45.22, 69.16, 32.26°)
OKLab	oklab(55.04% 0.169 0.0822)
OKLCH	oklch(55.04% 0.188 25.9)
XYZ	xyz(25.4751, 14.7017, 4.4015)
Luminance	0.1470 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C83131 #31C8C8

analogous

#C8317D #C83131 #C87D31

triadic

#C83131 #31C831 #3131C8

tetradic

#C83131 #7DC831 #31C8C8 #7D31C8

square

#C83131 #7DC831 #31C8C8 #7D31C8

split-complementary

#C83131 #31C87D #317DC8

monochromatic

#661919 #972525 #C83131 #D85F5F #E49090

Accessibility & contrast

On white

5.33

#C83131 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#C83131 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C83131

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C83131	#FFFFFF	#000000	##FFFFFF
##C83131	1.00	5.33	3.94	5.33
#FFFFFF	5.33	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F562F

Deuteranopia (green-blind)

#84772B

Tritanopia (blue-blind)

#DC0033

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c83131;
/* rgb */ color: rgb(200, 49, 49);
/* oklch */ color: oklch(55.0% 0.188 25.9);

Tailwind

colors: {
  custom: {
    50: '#e2756a',
    500: '#c83131',
    950: '#000000',
  },
}

SCSS

$custom: #c83131;
$custom-light: #e2756a;
$custom-dark: #000000;

JSON

{
  "hex": "#c83131",
  "rgb": {
    "r": 200,
    "g": 49,
    "b": 49
  },
  "hsl": {
    "h": 0,
    "s": 60.643,
    "l": 48.824
  },
  "oklch": {
    "l": 0.55037,
    "c": 0.18791,
    "h": 25.9
  },
  "luminance": 0.14698
}

Semantic roles & 50–950 ramp

primary

#C83131

secondary

#86CECE

accent

#E4E444

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C83131

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

Preview Lab → · Contrast checker → · Palette generator →