#C43542#C43542

#C43542 is a mid, vivid red. Relative luminance 0.147; OKLCH L 55.0% C 0.179 H 20.6°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#C43542
RGB	rgb(196, 53, 66)
HSL	hsl(355, 57%, 49%)
HSV	hsv(355, 73%, 77%)
CMYK	cmyk(0%, 73%, 66.3%, 23.1%)
CIE-LAB	lab(45.19, 56.71, 26.67)
CIE-LCH	lch(45.19, 62.66, 25.18°)
OKLab	oklab(54.95% 0.1675 0.063)
OKLCH	oklch(54.95% 0.179 20.6)
XYZ	xyz(25.0241, 14.6790, 6.6689)
Luminance	0.1467 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43542 #35C4B7

analogous

#C4358A #C43542 #C46F35

triadic

#C43542 #42C435 #3542C4

tetradic

#C43542 #8AC435 #35C4B7 #6F35C4

square

#C43542 #8AC435 #35C4B7 #6F35C4

split-complementary

#C43542 #35C46F #358AC4

monochromatic

#641B22 #942832 #C43542 #D4626C #E19299

Accessibility & contrast

On white

5.34

#C43542 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#C43542 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43542

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43542	#FFFFFF	#000000	##FFFFFF
##C43542	1.00	5.34	3.93	5.34
#FFFFFF	5.34	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5841

Deuteranopia (green-blind)

#81763E

Tritanopia (blue-blind)

#D7003B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c43542;
/* rgb */ color: rgb(196, 53, 66);
/* oklch */ color: oklch(55.0% 0.179 20.6);

Tailwind

colors: {
  custom: {
    50: '#de7776',
    500: '#c43542',
    950: '#000000',
  },
}

SCSS

$custom: #c43542;
$custom-light: #de7776;
$custom-dark: #000000;

JSON

{
  "hex": "#c43542",
  "rgb": {
    "r": 196,
    "g": 53,
    "b": 66
  },
  "hsl": {
    "h": 354.545,
    "s": 57.43,
    "l": 48.824
  },
  "oklch": {
    "l": 0.54953,
    "c": 0.17892,
    "h": 20.6
  },
  "luminance": 0.14675
}

Semantic roles & 50–950 ramp

primary

#C43542

secondary

#88CCC6

accent

#E1D347

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170908

muted

#857B7B

Preview Lab

Preview with #C43542

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

Preview Lab → · Contrast checker → · Palette generator →