#C23537#C23537

#C23537 is a mid, vivid red. Relative luminance 0.143; OKLCH L 54.4% C 0.178 H 24.7°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#C23537
RGB	rgb(194, 53, 55)
HSL	hsl(359, 57%, 48%)
HSV	hsv(359, 73%, 76%)
CMYK	cmyk(0%, 72.7%, 71.6%, 23.9%)
CIE-LAB	lab(44.65, 55.53, 32.49)
CIE-LCH	lch(44.65, 64.33, 30.33°)
OKLab	oklab(54.43% 0.1617 0.0742)
OKLCH	oklch(54.43% 0.178 24.7)
XYZ	xyz(24.2135, 14.2950, 5.0979)
Luminance	0.1429 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C23537 #35C2C0

analogous

#C2357D #C23537 #C27935

triadic

#C23537 #37C235 #3537C2

tetradic

#C23537 #7DC235 #35C2C0 #7935C2

square

#C23537 #7DC235 #35C2C0 #7935C2

split-complementary

#C23537 #35C279 #357DC2

monochromatic

#621B1C #922829 #C23537 #D46062 #E19192

Accessibility & contrast

On white

5.44

#C23537 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#C23537 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C23537

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C23537	#FFFFFF	#000000	##FFFFFF
##C23537	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5636

Deuteranopia (green-blind)

#817532

Tritanopia (blue-blind)

#D50037

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c23537;
/* rgb */ color: rgb(194, 53, 55);
/* oklch */ color: oklch(54.4% 0.178 24.7);

Tailwind

colors: {
  custom: {
    50: '#dd776e',
    500: '#c23537',
    950: '#000000',
  },
}

SCSS

$custom: #c23537;
$custom-light: #dd776e;
$custom-dark: #000000;

JSON

{
  "hex": "#c23537",
  "rgb": {
    "r": 194,
    "g": 53,
    "b": 55
  },
  "hsl": {
    "h": 359.149,
    "s": 57.085,
    "l": 48.431
  },
  "oklch": {
    "l": 0.54432,
    "c": 0.17789,
    "h": 24.7
  },
  "luminance": 0.14291
}

Semantic roles & 50–950 ramp

primary

#C23537

secondary

#87CCCB

accent

#E0DE47

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170907

muted

#857B7A

Preview Lab

Preview with #C23537

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

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