#C23D1C#C23D1C

#C23D1C is a mid, vivid red. Relative luminance 0.149; OKLCH L 55.0% C 0.175 H 34.6°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#C23D1C
RGB	rgb(194, 61, 28)
HSL	hsl(12, 75%, 44%)
HSV	hsv(12, 86%, 76%)
CMYK	cmyk(0%, 68.6%, 85.6%, 23.9%)
CIE-LAB	lab(45.49, 51.56, 47.67)
CIE-LCH	lch(45.49, 70.22, 42.76°)
OKLab	oklab(54.97% 0.1441 0.0995)
OKLCH	oklch(54.97% 0.175 34.6)
XYZ	xyz(24.1293, 14.8943, 2.7028)
Luminance	0.1489 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C23D1C #1CA1C2

analogous

#C21C4E #C23D1C #C2901C

triadic

#C23D1C #1CC23D #3D1CC2

tetradic

#C23D1C #4EC21C #1CA1C2 #901CC2

square

#C23D1C #4EC21C #1CA1C2 #901CC2

split-complementary

#C23D1C #1CC290 #1C4EC2

monochromatic

#571B0D #8D2C14 #C23D1C #E25B39 #EA876E

Accessibility & contrast

On white

5.28

#C23D1C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#C23D1C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C23D1C

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C23D1C	#FFFFFF	#000000	##FFFFFF
##C23D1C	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655916

Deuteranopia (green-blind)

#857714

Tritanopia (blue-blind)

#D60937

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c23d1c;
/* rgb */ color: rgb(194, 61, 28);
/* oklch */ color: oklch(55.0% 0.175 34.6);

Tailwind

colors: {
  custom: {
    50: '#de7a5c',
    500: '#c23d1c',
    950: '#000000',
  },
}

SCSS

$custom: #c23d1c;
$custom-light: #de7a5c;
$custom-dark: #000000;

JSON

{
  "hex": "#c23d1c",
  "rgb": {
    "r": 194,
    "g": 61,
    "b": 28
  },
  "hsl": {
    "h": 11.928,
    "s": 74.775,
    "l": 43.529
  },
  "oklch": {
    "l": 0.54972,
    "c": 0.17507,
    "h": 34.6
  },
  "luminance": 0.14891
}

Semantic roles & 50–950 ramp

primary

#C23D1C

secondary

#6ABCD0

accent

#CCF136

background

#FFF7F5

surface

#FEEEE9

border

#D6C9C5

text

#170A04

muted

#857C79

Preview Lab

Preview with #C23D1C

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

Preview Lab → · Contrast checker → · Palette generator →