#CD3937#CD3937

#CD3937 is a mid, vivid red. Relative luminance 0.162; OKLCH L 56.7% C 0.185 H 26.0°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#CD3937
RGB	rgb(205, 57, 55)
HSL	hsl(1, 60%, 51%)
HSV	hsv(1, 73%, 80%)
CMYK	cmyk(0%, 72.2%, 73.2%, 19.6%)
CIE-LAB	lab(47.22, 57.54, 35.98)
CIE-LCH	lch(47.22, 67.86, 32.01°)
OKLab	oklab(56.72% 0.1667 0.0812)
OKLCH	oklch(56.72% 0.185 26)
XYZ	xyz(27.3327, 16.1854, 5.2986)
Luminance	0.1618 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CD3937 #37CBCD

analogous

#CD3780 #CD3937 #CD8437

triadic

#CD3937 #37CD39 #3937CD

tetradic

#CD3937 #80CD37 #37CBCD #8437CD

square

#CD3937 #80CD37 #37CBCD #8437CD

split-complementary

#CD3937 #37CD84 #3780CD

monochromatic

#6E1D1C #9F2928 #CD3937 #D96968 #E59A99

Accessibility & contrast

On white

4.96

#CD3937 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#CD3937 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CD3937

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CD3937	#FFFFFF	#000000	##FFFFFF
##CD3937	1.00	4.96	4.24	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645C35

Deuteranopia (green-blind)

#897C32

Tritanopia (blue-blind)

#E1003A

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cd3937;
/* rgb */ color: rgb(205, 57, 55);
/* oklch */ color: oklch(56.7% 0.185 26.0);

Tailwind

colors: {
  custom: {
    50: '#e57a6e',
    500: '#cd3937',
    950: '#000000',
  },
}

SCSS

$custom: #cd3937;
$custom-light: #e57a6e;
$custom-dark: #000000;

JSON

{
  "hex": "#cd3937",
  "rgb": {
    "r": 205,
    "g": 57,
    "b": 55
  },
  "hsl": {
    "h": 0.8,
    "s": 60,
    "l": 50.98
  },
  "oklch": {
    "l": 0.56715,
    "c": 0.18542,
    "h": 26
  },
  "luminance": 0.16181
}

Semantic roles & 50–950 ramp

primary

#CD3937

secondary

#8FD0D1

accent

#E1E345

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CD3937

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

Preview Lab → · Contrast checker → · Palette generator →