#C4223F#C4223F

#C4223F is a mid, vivid red. Relative luminance 0.132; OKLCH L 53.4% C 0.194 H 18.3°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#C4223F
RGB	rgb(196, 34, 63)
HSL	hsl(349, 70%, 45%)
HSV	hsv(349, 83%, 77%)
CMYK	cmyk(0%, 82.7%, 67.9%, 23.1%)
CIE-LAB	lab(43.13, 62.21, 25.91)
CIE-LCH	lch(43.13, 67.39, 22.61°)
OKLab	oklab(53.41% 0.1845 0.0609)
OKLCH	oklch(53.41% 0.194 18.3)
XYZ	xyz(24.2369, 13.2425, 5.9816)
Luminance	0.1324 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4223F #22C4A7

analogous

#C42290 #C4223F #C45622

triadic

#C4223F #3FC422 #223FC4

tetradic

#C4223F #90C422 #22C4A7 #5622C4

square

#C4223F #90C422 #22C4A7 #5622C4

split-complementary

#C4223F #22C456 #2290C4

monochromatic

#5C101D #90192E #C4223F #DF4560 #E8798D

Accessibility & contrast

On white

5.76

#C4223F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#C4223F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C4223F

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4223F	#FFFFFF	#000000	##FFFFFF
##C4223F	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#55503F

Deuteranopia (green-blind)

#7D723A

Tritanopia (blue-blind)

#D7002F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #c4223f;
/* rgb */ color: rgb(196, 34, 63);
/* oklch */ color: oklch(53.4% 0.194 18.3);

Tailwind

colors: {
  custom: {
    50: '#de7073',
    500: '#c4223f',
    950: '#000000',
  },
}

SCSS

$custom: #c4223f;
$custom-light: #de7073;
$custom-dark: #000000;

JSON

{
  "hex": "#c4223f",
  "rgb": {
    "r": 196,
    "g": 34,
    "b": 63
  },
  "hsl": {
    "h": 349.259,
    "s": 70.435,
    "l": 45.098
  },
  "oklch": {
    "l": 0.53406,
    "c": 0.19426,
    "h": 18.3
  },
  "luminance": 0.13239
}

Semantic roles & 50–950 ramp

primary

#C4223F

secondary

#73CFBF

accent

#EDCD3B

background

#FEF7F7

surface

#FDEDED

border

#D5C8C8

text

#170908

muted

#857B7B

Preview Lab

Preview with #C4223F

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

Preview Lab → · Contrast checker → · Palette generator →