#C42A33#C42A33

#C42A33 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.8% C 0.189 H 23.8°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#C42A33
RGB	rgb(196, 42, 51)
HSL	hsl(356, 65%, 47%)
HSV	hsv(356, 79%, 77%)
CMYK	cmyk(0%, 78.6%, 74%, 23.1%)
CIE-LAB	lab(43.70, 59.53, 33.85)
CIE-LCH	lch(43.70, 68.48, 29.62°)
OKLab	oklab(53.78% 0.1732 0.0762)
OKLCH	oklch(53.78% 0.189 23.8)
XYZ	xyz(24.1933, 13.6345, 4.4892)
Luminance	0.1363 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C42A33 #2AC4BB

analogous

#C42A80 #C42A33 #C46E2A

triadic

#C42A33 #33C42A #2A33C4

tetradic

#C42A33 #80C42A #2AC4BB #6E2AC4

square

#C42A33 #80C42A #2AC4BB #6E2AC4

split-complementary

#C42A33 #2AC46E #2A80C4

monochromatic

#5F1419 #921F26 #C42A33 #DA5159 #E58489

Accessibility & contrast

On white

5.64

#C42A33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#C42A33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C42A33

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C42A33	#FFFFFF	#000000	##FFFFFF
##C42A33	1.00	5.64	3.73	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5232

Deuteranopia (green-blind)

#80732D

Tritanopia (blue-blind)

#D8002F

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #c42a33;
/* rgb */ color: rgb(196, 42, 51);
/* oklch */ color: oklch(53.8% 0.189 23.8);

Tailwind

colors: {
  custom: {
    50: '#df726b',
    500: '#c42a33',
    950: '#000000',
  },
}

SCSS

$custom: #c42a33;
$custom-light: #df726b;
$custom-dark: #000000;

JSON

{
  "hex": "#c42a33",
  "rgb": {
    "r": 196,
    "g": 42,
    "b": 51
  },
  "hsl": {
    "h": 356.494,
    "s": 64.706,
    "l": 46.667
  },
  "oklch": {
    "l": 0.53778,
    "c": 0.18926,
    "h": 23.8
  },
  "luminance": 0.13631
}

Semantic roles & 50–950 ramp

primary

#C42A33

secondary

#7CCEC9

accent

#E8DE40

background

#FFF7F6

surface

#FEEDEB

border

#D6C8C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C42A33

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

Preview Lab → · Contrast checker → · Palette generator →