#C4423B#C4423B

#C4423B is a mid, vivid red. Relative luminance 0.159; OKLCH L 56.2% C 0.167 H 27.0°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#C4423B
RGB	rgb(196, 66, 59)
HSL	hsl(3, 54%, 50%)
HSV	hsv(3, 70%, 77%)
CMYK	cmyk(0%, 66.3%, 69.9%, 23.1%)
CIE-LAB	lab(46.91, 51.34, 32.90)
CIE-LCH	lch(46.91, 60.97, 32.66°)
OKLab	oklab(56.2% 0.149 0.0758)
OKLCH	oklch(56.2% 0.167 27)
XYZ	xyz(25.5053, 15.9516, 5.8728)
Luminance	0.1595 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4423B #3BBDC4

analogous

#C43B78 #C4423B #C4873B

triadic

#C4423B #3BC442 #423BC4

tetradic

#C4423B #78C43B #3BBDC4 #873BC4

square

#C4423B #78C43B #3BBDC4 #873BC4

split-complementary

#C4423B #3BC487 #3B78C4

monochromatic

#66221F #95322D #C4423B #D26F6A #E09D99

Accessibility & contrast

On white

5.01

#C4423B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#C4423B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C4423B

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4423B	#FFFFFF	#000000	##FFFFFF
##C4423B	1.00	5.01	4.19	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665D39

Deuteranopia (green-blind)

#867A37

Tritanopia (blue-blind)

#D71F41

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #c4423b;
/* rgb */ color: rgb(196, 66, 59);
/* oklch */ color: oklch(56.2% 0.167 27.0);

Tailwind

colors: {
  custom: {
    50: '#de7d71',
    500: '#c4423b',
    950: '#000000',
  },
}

SCSS

$custom: #c4423b;
$custom-light: #de7d71;
$custom-dark: #000000;

JSON

{
  "hex": "#c4423b",
  "rgb": {
    "r": 196,
    "g": 66,
    "b": 59
  },
  "hsl": {
    "h": 3.066,
    "s": 53.725,
    "l": 50
  },
  "oklch": {
    "l": 0.56204,
    "c": 0.16717,
    "h": 27
  },
  "luminance": 0.15948
}

Semantic roles & 50–950 ramp

primary

#C4423B

secondary

#8FC9CC

accent

#D6DD4B

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C4423B

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

Preview Lab → · Contrast checker → · Palette generator →