#C43C31#C43C31

#C43C31 is a mid, vivid red. Relative luminance 0.152; OKLCH L 55.4% C 0.174 H 28.6°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#C43C31
RGB	rgb(196, 60, 49)
HSL	hsl(4, 60%, 48%)
HSV	hsv(4, 75%, 77%)
CMYK	cmyk(0%, 69.4%, 75%, 23.1%)
CIE-LAB	lab(45.90, 53.30, 37.45)
CIE-LCH	lch(45.90, 65.14, 35.09°)
OKLab	oklab(55.4% 0.1531 0.0836)
OKLCH	oklch(55.4% 0.174 28.6)
XYZ	xyz(24.9380, 15.1930, 4.5245)
Luminance	0.1519 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43C31 #31B9C4

analogous

#C4316F #C43C31 #C48531

triadic

#C43C31 #31C43C #3C31C4

tetradic

#C43C31 #6FC431 #31B9C4 #8531C4

square

#C43C31 #6FC431 #31B9C4 #8531C4

split-complementary

#C43C31 #31C485 #316FC4

monochromatic

#621E19 #932D25 #C43C31 #D6655C #E2938D

Accessibility & contrast

On white

5.20

#C43C31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#C43C31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43C31

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43C31	#FFFFFF	#000000	##FFFFFF
##C43C31	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635A2F

Deuteranopia (green-blind)

#85782C

Tritanopia (blue-blind)

#D80B3B

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c43c31;
/* rgb */ color: rgb(196, 60, 49);
/* oklch */ color: oklch(55.4% 0.174 28.6);

Tailwind

colors: {
  custom: {
    50: '#de7a6a',
    500: '#c43c31',
    950: '#000000',
  },
}

SCSS

$custom: #c43c31;
$custom-light: #de7a6a;
$custom-dark: #000000;

JSON

{
  "hex": "#c43c31",
  "rgb": {
    "r": 196,
    "g": 60,
    "b": 49
  },
  "hsl": {
    "h": 4.49,
    "s": 60,
    "l": 48.039
  },
  "oklch": {
    "l": 0.55404,
    "c": 0.17446,
    "h": 28.6
  },
  "luminance": 0.15189
}

Semantic roles & 50–950 ramp

primary

#C43C31

secondary

#84C7CD

accent

#D7E345

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C43C31

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

Preview Lab → · Contrast checker → · Palette generator →