#CD3837#CD3837

#CD3837 is a mid, vivid red. Relative luminance 0.161; OKLCH L 56.6% C 0.186 H 25.8°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#CD3837
RGB	rgb(205, 56, 55)
HSL	hsl(0, 60%, 51%)
HSV	hsv(0, 73%, 80%)
CMYK	cmyk(0%, 72.7%, 73.2%, 19.6%)
CIE-LAB	lab(47.09, 57.90, 35.83)
CIE-LCH	lch(47.09, 68.09, 31.75°)
OKLab	oklab(56.62% 0.1678 0.0809)
OKLCH	oklch(56.62% 0.186 25.8)
XYZ	xyz(27.2837, 16.0875, 5.2823)
Luminance	0.1608 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CD3837 #37CCCD

analogous

#CD3781 #CD3837 #CD8337

triadic

#CD3837 #37CD38 #3837CD

tetradic

#CD3837 #81CD37 #37CCCD #8337CD

square

#CD3837 #81CD37 #37CCCD #8337CD

split-complementary

#CD3837 #37CD83 #3781CD

monochromatic

#6E1C1C #9F2928 #CD3837 #D96968 #E59999

Accessibility & contrast

On white

4.98

#CD3837 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#CD3837 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CD3837

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CD3837	#FFFFFF	#000000	##FFFFFF
##CD3837	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645B35

Deuteranopia (green-blind)

#897B32

Tritanopia (blue-blind)

#E1003A

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cd3837;
/* rgb */ color: rgb(205, 56, 55);
/* oklch */ color: oklch(56.6% 0.186 25.8);

Tailwind

colors: {
  custom: {
    50: '#e5796e',
    500: '#cd3837',
    950: '#000000',
  },
}

SCSS

$custom: #cd3837;
$custom-light: #e5796e;
$custom-dark: #000000;

JSON

{
  "hex": "#cd3837",
  "rgb": {
    "r": 205,
    "g": 56,
    "b": 55
  },
  "hsl": {
    "h": 0.4,
    "s": 60,
    "l": 50.98
  },
  "oklch": {
    "l": 0.5662,
    "c": 0.18628,
    "h": 25.8
  },
  "luminance": 0.16083
}

Semantic roles & 50–950 ramp

primary

#CD3837

secondary

#8FD1D1

accent

#E2E345

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CD3837

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

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