#CD3B37#CD3B37

#CD3B37 is a mid, vivid red. Relative luminance 0.164; OKLCH L 56.9% C 0.184 H 26.5°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#CD3B37
RGB	rgb(205, 59, 55)
HSL	hsl(2, 60%, 51%)
HSV	hsv(2, 73%, 80%)
CMYK	cmyk(0%, 71.2%, 73.2%, 19.6%)
CIE-LAB	lab(47.48, 56.82, 36.27)
CIE-LCH	lch(47.48, 67.41, 32.55°)
OKLab	oklab(56.91% 0.1644 0.0819)
OKLCH	oklch(56.91% 0.184 26.5)
XYZ	xyz(27.4335, 16.3870, 5.3322)
Luminance	0.1638 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CD3B37 #37C9CD

analogous

#CD377E #CD3B37 #CD8637

triadic

#CD3B37 #37CD3B #3B37CD

tetradic

#CD3B37 #7ECD37 #37C9CD #8637CD

square

#CD3B37 #7ECD37 #37C9CD #8637CD

split-complementary

#CD3B37 #37CD86 #377ECD

monochromatic

#6E1E1C #9F2B28 #CD3B37 #D96B68 #E59B99

Accessibility & contrast

On white

4.91

#CD3B37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#CD3B37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CD3B37

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CD3B37	#FFFFFF	#000000	##FFFFFF
##CD3B37	1.00	4.91	4.28	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655C35

Deuteranopia (green-blind)

#8A7C32

Tritanopia (blue-blind)

#E1003C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #cd3b37;
/* rgb */ color: rgb(205, 59, 55);
/* oklch */ color: oklch(56.9% 0.184 26.5);

Tailwind

colors: {
  custom: {
    50: '#e57b6e',
    500: '#cd3b37',
    950: '#000000',
  },
}

SCSS

$custom: #cd3b37;
$custom-light: #e57b6e;
$custom-dark: #000000;

JSON

{
  "hex": "#cd3b37",
  "rgb": {
    "r": 205,
    "g": 59,
    "b": 55
  },
  "hsl": {
    "h": 1.6,
    "s": 60,
    "l": 50.98
  },
  "oklch": {
    "l": 0.56911,
    "c": 0.18366,
    "h": 26.5
  },
  "luminance": 0.16383
}

Semantic roles & 50–950 ramp

primary

#CD3B37

secondary

#8FCFD1

accent

#DFE345

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CD3B37

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

Preview Lab → · Contrast checker → · Palette generator →