#C4242D#C4242D

#C4242D is a mid, vivid red. Relative luminance 0.132; OKLCH L 53.3% C 0.194 H 24.6°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#C4242D
RGB	rgb(196, 36, 45)
HSL	hsl(357, 69%, 45%)
HSV	hsv(357, 82%, 77%)
CMYK	cmyk(0%, 81.6%, 77%, 23.1%)
CIE-LAB	lab(43.05, 60.94, 36.62)
CIE-LCH	lch(43.05, 71.10, 31.00°)
OKLab	oklab(53.27% 0.1764 0.0808)
OKLCH	oklch(53.27% 0.194 24.6)
XYZ	xyz(23.8724, 13.1909, 3.7712)
Luminance	0.1319 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4242D #24C4BB

analogous

#C4247D #C4242D #C46B24

triadic

#C4242D #2DC424 #242DC4

tetradic

#C4242D #7DC424 #24C4BB #6B24C4

square

#C4242D #7DC424 #24C4BB #6B24C4

split-complementary

#C4242D #24C46B #247DC4

monochromatic

#5D1115 #901B21 #C4242D #DD4850 #E77C82

Accessibility & contrast

On white

5.77

#C4242D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#C4242D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C4242D

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4242D	#FFFFFF	#000000	##FFFFFF
##C4242D	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58502B

Deuteranopia (green-blind)

#7F7226

Tritanopia (blue-blind)

#D8002A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #c4242d;
/* rgb */ color: rgb(196, 36, 45);
/* oklch */ color: oklch(53.3% 0.194 24.6);

Tailwind

colors: {
  custom: {
    50: '#e07066',
    500: '#c4242d',
    950: '#000000',
  },
}

SCSS

$custom: #c4242d;
$custom-light: #e07066;
$custom-dark: #000000;

JSON

{
  "hex": "#c4242d",
  "rgb": {
    "r": 196,
    "g": 36,
    "b": 45
  },
  "hsl": {
    "h": 356.625,
    "s": 68.966,
    "l": 45.49
  },
  "oklch": {
    "l": 0.53269,
    "c": 0.19401,
    "h": 24.6
  },
  "luminance": 0.13187
}

Semantic roles & 50–950 ramp

primary

#C4242D

secondary

#75CFCA

accent

#ECE23C

background

#FFF7F6

surface

#FEEDEB

border

#D6C8C6

text

#170806

muted

#857B7A

Preview Lab

Preview with #C4242D

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

Preview Lab → · Contrast checker → · Palette generator →