#CD3637#CD3637

#CD3637 is a mid, vivid red. Relative luminance 0.159; OKLCH L 56.4% C 0.188 H 25.3°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#CD3637
RGB	rgb(205, 54, 55)
HSL	hsl(360, 60%, 51%)
HSV	hsv(360, 74%, 80%)
CMYK	cmyk(0%, 73.7%, 73.2%, 19.6%)
CIE-LAB	lab(46.84, 58.59, 35.55)
CIE-LCH	lch(46.84, 68.53, 31.25°)
OKLab	oklab(56.43% 0.17 0.0803)
OKLCH	oklch(56.43% 0.188 25.3)
XYZ	xyz(27.1887, 15.8975, 5.2506)
Luminance	0.1589 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CD3637 #36CDCC

analogous

#CD3682 #CD3637 #CD8136

triadic

#CD3637 #37CD36 #3637CD

tetradic

#CD3637 #82CD36 #36CDCC #8136CD

square

#CD3637 #82CD36 #36CDCC #8136CD

split-complementary

#CD3637 #36CD81 #3682CD

monochromatic

#6D1B1C #9E2728 #CD3637 #D96768 #E59899

Accessibility & contrast

On white

5.03

#CD3637 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#CD3637 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CD3637

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CD3637	#FFFFFF	#000000	##FFFFFF
##CD3637	1.00	5.03	4.18	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635A35

Deuteranopia (green-blind)

#887B32

Tritanopia (blue-blind)

#E20038

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #cd3637;
/* rgb */ color: rgb(205, 54, 55);
/* oklch */ color: oklch(56.4% 0.188 25.3);

Tailwind

colors: {
  custom: {
    50: '#e5786e',
    500: '#cd3637',
    950: '#000000',
  },
}

SCSS

$custom: #cd3637;
$custom-light: #e5786e;
$custom-dark: #000000;

JSON

{
  "hex": "#cd3637",
  "rgb": {
    "r": 205,
    "g": 54,
    "b": 55
  },
  "hsl": {
    "h": 359.603,
    "s": 60.159,
    "l": 50.784
  },
  "oklch": {
    "l": 0.56434,
    "c": 0.18799,
    "h": 25.3
  },
  "luminance": 0.15893
}

Semantic roles & 50–950 ramp

primary

#CD3637

secondary

#8ED1D0

accent

#E3E244

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CD3637

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

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