#C23D21#C23D21

#C23D21 is a mid, vivid red. Relative luminance 0.149; OKLCH L 55.0% C 0.174 H 33.5°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#C23D21
RGB	rgb(194, 61, 33)
HSL	hsl(10, 71%, 45%)
HSV	hsv(10, 83%, 76%)
CMYK	cmyk(0%, 68.6%, 83%, 23.9%)
CIE-LAB	lab(45.52, 51.69, 45.37)
CIE-LCH	lch(45.52, 68.78, 41.28°)
OKLab	oklab(55.01% 0.1453 0.0962)
OKLCH	oklch(55.01% 0.174 33.5)
XYZ	xyz(24.1942, 14.9203, 3.0445)
Luminance	0.1492 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C23D21 #21A6C2

analogous

#C22155 #C23D21 #C28E21

triadic

#C23D21 #21C23D #3D21C2

tetradic

#C23D21 #55C221 #21A6C2 #8E21C2

square

#C23D21 #55C221 #21A6C2 #8E21C2

split-complementary

#C23D21 #21C28E #2155C2

monochromatic

#591C0F #8E2D18 #C23D21 #DF5D41 #E88A76

Accessibility & contrast

On white

5.27

#C23D21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#C23D21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C23D21

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C23D21	#FFFFFF	#000000	##FFFFFF
##C23D21	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)

#64591C

Deuteranopia (green-blind)

#85771A

Tritanopia (blue-blind)

#D60B38

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c23d21;
/* rgb */ color: rgb(194, 61, 33);
/* oklch */ color: oklch(55.0% 0.174 33.5);

Tailwind

colors: {
  custom: {
    50: '#de7a5f',
    500: '#c23d21',
    950: '#000000',
  },
}

SCSS

$custom: #c23d21;
$custom-light: #de7a5f;
$custom-dark: #000000;

JSON

{
  "hex": "#c23d21",
  "rgb": {
    "r": 194,
    "g": 61,
    "b": 33
  },
  "hsl": {
    "h": 10.435,
    "s": 70.925,
    "l": 44.51
  },
  "oklch": {
    "l": 0.5501,
    "c": 0.17425,
    "h": 33.5
  },
  "luminance": 0.14917
}

Semantic roles & 50–950 ramp

primary

#C23D21

secondary

#70BECF

accent

#CEEE3A

background

#FFF7F5

surface

#FEEEE9

border

#D6C9C5

text

#170A05

muted

#857C79

Preview Lab

Preview with #C23D21

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

Preview Lab → · Contrast checker → · Palette generator →