#C23D1F#C23D1F

#C23D1F is a mid, vivid red. Relative luminance 0.149; OKLCH L 55.0% C 0.175 H 34.0°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#C23D1F
RGB	rgb(194, 61, 31)
HSL	hsl(11, 72%, 44%)
HSV	hsv(11, 84%, 76%)
CMYK	cmyk(0%, 68.6%, 84%, 23.9%)
CIE-LAB	lab(45.51, 51.63, 46.31)
CIE-LCH	lch(45.51, 69.36, 41.89°)
OKLab	oklab(54.99% 0.1448 0.0976)
OKLCH	oklch(54.99% 0.175 34)
XYZ	xyz(24.1670, 14.9094, 2.9013)
Luminance	0.1491 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C23D1F #1FA4C2

analogous

#C21F53 #C23D1F #C28F1F

triadic

#C23D1F #1FC23D #3D1FC2

tetradic

#C23D1F #53C21F #1FA4C2 #8F1FC2

square

#C23D1F #53C21F #1FA4C2 #8F1FC2

split-complementary

#C23D1F #1FC28F #1F53C2

monochromatic

#581C0E #8D2C17 #C23D1F #E05C3E #E98873

Accessibility & contrast

On white

5.27

#C23D1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#C23D1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C23D1F

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C23D1F	#FFFFFF	#000000	##FFFFFF
##C23D1F	1.00	5.27	3.98	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#64591A

Deuteranopia (green-blind)

#857718

Tritanopia (blue-blind)

#D60A38

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c23d1f;
/* rgb */ color: rgb(194, 61, 31);
/* oklch */ color: oklch(55.0% 0.175 34.0);

Tailwind

colors: {
  custom: {
    50: '#de7a5e',
    500: '#c23d1f',
    950: '#000000',
  },
}

SCSS

$custom: #c23d1f;
$custom-light: #de7a5e;
$custom-dark: #000000;

JSON

{
  "hex": "#c23d1f",
  "rgb": {
    "r": 194,
    "g": 61,
    "b": 31
  },
  "hsl": {
    "h": 11.043,
    "s": 72.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.54994,
    "c": 0.17459,
    "h": 34
  },
  "luminance": 0.14906
}

Semantic roles & 50–950 ramp

primary

#C23D1F

secondary

#6DBDCF

accent

#CEEF39

background

#FFF7F5

surface

#FEEEE9

border

#D6C9C5

text

#170A04

muted

#857C79

Preview Lab

Preview with #C23D1F

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

Preview Lab → · Contrast checker → · Palette generator →