#C43543#C43543

#C43543 is a mid, vivid red. Relative luminance 0.147; OKLCH L 55.0% C 0.179 H 20.2°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#C43543
RGB	rgb(196, 53, 67)
HSL	hsl(354, 57%, 49%)
HSV	hsv(354, 73%, 77%)
CMYK	cmyk(0%, 73%, 65.8%, 23.1%)
CIE-LAB	lab(45.21, 56.76, 26.08)
CIE-LCH	lch(45.21, 62.47, 24.68°)
OKLab	oklab(54.97% 0.1679 0.0618)
OKLCH	oklch(54.97% 0.179 20.2)
XYZ	xyz(25.0538, 14.6909, 6.8255)
Luminance	0.1469 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43543 #35C4B6

analogous

#C4358B #C43543 #C46F35

triadic

#C43543 #43C435 #3543C4

tetradic

#C43543 #8BC435 #35C4B6 #6F35C4

square

#C43543 #8BC435 #35C4B6 #6F35C4

split-complementary

#C43543 #35C46F #358BC4

monochromatic

#641B22 #942833 #C43543 #D4626D #E1929A

Accessibility & contrast

On white

5.33

#C43543 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#C43543 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43543

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43543	#FFFFFF	#000000	##FFFFFF
##C43543	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)

#5D5842

Deuteranopia (green-blind)

#81763F

Tritanopia (blue-blind)

#D7003B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c43543;
/* rgb */ color: rgb(196, 53, 67);
/* oklch */ color: oklch(55.0% 0.179 20.2);

Tailwind

colors: {
  custom: {
    50: '#de7777',
    500: '#c43543',
    950: '#000000',
  },
}

SCSS

$custom: #c43543;
$custom-light: #de7777;
$custom-dark: #000000;

JSON

{
  "hex": "#c43543",
  "rgb": {
    "r": 196,
    "g": 53,
    "b": 67
  },
  "hsl": {
    "h": 354.126,
    "s": 57.43,
    "l": 48.824
  },
  "oklch": {
    "l": 0.54971,
    "c": 0.17886,
    "h": 20.2
  },
  "luminance": 0.14687
}

Semantic roles & 50–950 ramp

primary

#C43543

secondary

#88CCC6

accent

#E1D247

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170908

muted

#857B7B

Preview Lab

Preview with #C43543

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

Preview Lab → · Contrast checker → · Palette generator →