#C83A31#C83A31

#C83A31 is a mid, vivid red. Relative luminance 0.155; OKLCH L 55.9% C 0.180 H 28.1°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#C83A31
RGB	rgb(200, 58, 49)
HSL	hsl(4, 61%, 49%)
HSV	hsv(4, 76%, 78%)
CMYK	cmyk(0%, 71%, 75.5%, 21.6%)
CIE-LAB	lab(46.35, 55.35, 38.15)
CIE-LCH	lch(46.35, 67.23, 34.58°)
OKLab	oklab(55.88% 0.1591 0.0849)
OKLCH	oklch(55.88% 0.18 28.1)
XYZ	xyz(25.8898, 15.5312, 4.5397)
Luminance	0.1553 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C83A31 #31BFC8

analogous

#C83174 #C83A31 #C88631

triadic

#C83A31 #31C83A #3A31C8

tetradic

#C83A31 #74C831 #31BFC8 #8631C8

square

#C83A31 #74C831 #31BFC8 #8631C8

split-complementary

#C83A31 #31C886 #3174C8

monochromatic

#661D19 #972C25 #C83A31 #D8665F #E49590

Accessibility & contrast

On white

5.12

#C83A31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#C83A31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C83A31

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C83A31	#FFFFFF	#000000	##FFFFFF
##C83A31	1.00	5.12	4.11	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645A2F

Deuteranopia (green-blind)

#87792C

Tritanopia (blue-blind)

#DC0039

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c83a31;
/* rgb */ color: rgb(200, 58, 49);
/* oklch */ color: oklch(55.9% 0.180 28.1);

Tailwind

colors: {
  custom: {
    50: '#e27a6a',
    500: '#c83a31',
    950: '#000000',
  },
}

SCSS

$custom: #c83a31;
$custom-light: #e27a6a;
$custom-dark: #000000;

JSON

{
  "hex": "#c83a31",
  "rgb": {
    "r": 200,
    "g": 58,
    "b": 49
  },
  "hsl": {
    "h": 3.576,
    "s": 60.643,
    "l": 48.824
  },
  "oklch": {
    "l": 0.5588,
    "c": 0.18034,
    "h": 28.1
  },
  "luminance": 0.15527
}

Semantic roles & 50–950 ramp

primary

#C83A31

secondary

#86CACE

accent

#DAE444

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C83A31

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

Preview Lab → · Contrast checker → · Palette generator →