#C43531#C43531

#C43531 is a mid, vivid red. Relative luminance 0.145; OKLCH L 54.7% C 0.181 H 26.8°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#C43531
RGB	rgb(196, 53, 49)
HSL	hsl(2, 60%, 48%)
HSV	hsv(2, 75%, 77%)
CMYK	cmyk(0%, 73%, 75%, 23.1%)
CIE-LAB	lab(44.95, 55.90, 36.40)
CIE-LCH	lch(44.95, 66.71, 33.08°)
OKLab	oklab(54.7% 0.1613 0.0814)
OKLCH	oklch(54.7% 0.181 26.8)
XYZ	xyz(24.5953, 14.5075, 4.4103)
Luminance	0.1450 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43531 #31C0C4

analogous

#C43176 #C43531 #C47F31

triadic

#C43531 #31C435 #3531C4

tetradic

#C43531 #76C431 #31C0C4 #7F31C4

square

#C43531 #76C431 #31C0C4 #7F31C4

split-complementary

#C43531 #31C47F #3176C4

monochromatic

#621B19 #932825 #C43531 #D65F5C #E28F8D

Accessibility & contrast

On white

5.38

#C43531 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#C43531 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43531

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43531	#FFFFFF	#000000	##FFFFFF
##C43531	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F572F

Deuteranopia (green-blind)

#83762C

Tritanopia (blue-blind)

#D80036

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c43531;
/* rgb */ color: rgb(196, 53, 49);
/* oklch */ color: oklch(54.7% 0.181 26.8);

Tailwind

colors: {
  custom: {
    50: '#df776a',
    500: '#c43531',
    950: '#000000',
  },
}

SCSS

$custom: #c43531;
$custom-light: #df776a;
$custom-dark: #000000;

JSON

{
  "hex": "#c43531",
  "rgb": {
    "r": 196,
    "g": 53,
    "b": 49
  },
  "hsl": {
    "h": 1.633,
    "s": 60,
    "l": 48.039
  },
  "oklch": {
    "l": 0.54698,
    "c": 0.18065,
    "h": 26.8
  },
  "luminance": 0.14504
}

Semantic roles & 50–950 ramp

primary

#C43531

secondary

#84CBCD

accent

#DFE345

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C43531

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

Preview Lab → · Contrast checker → · Palette generator →