#C42D2F#C42D2F

#C42D2F is a mid, vivid red. Relative luminance 0.138; OKLCH L 54.0% C 0.187 H 25.6°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#C42D2F
RGB	rgb(196, 45, 47)
HSL	hsl(359, 63%, 47%)
HSV	hsv(359, 77%, 77%)
CMYK	cmyk(0%, 77%, 76%, 23.1%)
CIE-LAB	lab(43.98, 58.47, 36.47)
CIE-LCH	lch(43.98, 68.91, 31.95°)
OKLab	oklab(53.96% 0.169 0.081)
OKLCH	oklch(53.96% 0.187 25.6)
XYZ	xyz(24.2193, 13.8216, 4.0814)
Luminance	0.1382 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C42D2F #2DC4C2

analogous

#C42D7B #C42D2F #C4762D

triadic

#C42D2F #2FC42D #2D2FC4

tetradic

#C42D2F #7BC42D #2DC4C2 #762DC4

square

#C42D2F #7BC42D #2DC4C2 #762DC4

split-complementary

#C42D2F #2DC476 #2D7BC4

monochromatic

#601617 #922223 #C42D2F #D85658 #E48889

Accessibility & contrast

On white

5.58

#C42D2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#C42D2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C42D2F

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C42D2F	#FFFFFF	#000000	##FFFFFF
##C42D2F	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C532D

Deuteranopia (green-blind)

#817429

Tritanopia (blue-blind)

#D80030

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #c42d2f;
/* rgb */ color: rgb(196, 45, 47);
/* oklch */ color: oklch(54.0% 0.187 25.6);

Tailwind

colors: {
  custom: {
    50: '#df7368',
    500: '#c42d2f',
    950: '#000000',
  },
}

SCSS

$custom: #c42d2f;
$custom-light: #df7368;
$custom-dark: #000000;

JSON

{
  "hex": "#c42d2f",
  "rgb": {
    "r": 196,
    "g": 45,
    "b": 47
  },
  "hsl": {
    "h": 359.205,
    "s": 62.656,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53964,
    "c": 0.18741,
    "h": 25.6
  },
  "luminance": 0.13818
}

Semantic roles & 50–950 ramp

primary

#C42D2F

secondary

#80CDCC

accent

#E6E442

background

#FFF7F6

surface

#FEEDEB

border

#D6C8C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C42D2F

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

Preview Lab → · Contrast checker → · Palette generator →