#CD3A37#CD3A37

#CD3A37 is a mid, vivid red. Relative luminance 0.163; OKLCH L 56.8% C 0.185 H 26.2°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#CD3A37
RGB	rgb(205, 58, 55)
HSL	hsl(1, 60%, 51%)
HSV	hsv(1, 73%, 80%)
CMYK	cmyk(0%, 71.7%, 73.2%, 19.6%)
CIE-LAB	lab(47.35, 57.18, 36.12)
CIE-LCH	lch(47.35, 67.64, 32.28°)
OKLab	oklab(56.81% 0.1655 0.0816)
OKLCH	oklch(56.81% 0.185 26.2)
XYZ	xyz(27.3826, 16.2852, 5.3152)
Luminance	0.1628 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CD3A37 #37CACD

analogous

#CD377F #CD3A37 #CD8537

triadic

#CD3A37 #37CD3A #3A37CD

tetradic

#CD3A37 #7FCD37 #37CACD #8537CD

square

#CD3A37 #7FCD37 #37CACD #8537CD

split-complementary

#CD3A37 #37CD85 #377FCD

monochromatic

#6E1D1C #9F2A28 #CD3A37 #D96A68 #E59A99

Accessibility & contrast

On white

4.93

#CD3A37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#CD3A37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CD3A37

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CD3A37	#FFFFFF	#000000	##FFFFFF
##CD3A37	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655C35

Deuteranopia (green-blind)

#897C32

Tritanopia (blue-blind)

#E1003B

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cd3a37;
/* rgb */ color: rgb(205, 58, 55);
/* oklch */ color: oklch(56.8% 0.185 26.2);

Tailwind

colors: {
  custom: {
    50: '#e57a6e',
    500: '#cd3a37',
    950: '#000000',
  },
}

SCSS

$custom: #cd3a37;
$custom-light: #e57a6e;
$custom-dark: #000000;

JSON

{
  "hex": "#cd3a37",
  "rgb": {
    "r": 205,
    "g": 58,
    "b": 55
  },
  "hsl": {
    "h": 1.2,
    "s": 60,
    "l": 50.98
  },
  "oklch": {
    "l": 0.56812,
    "c": 0.18455,
    "h": 26.2
  },
  "luminance": 0.16281
}

Semantic roles & 50–950 ramp

primary

#CD3A37

secondary

#8FD0D1

accent

#E0E345

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CD3A37

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

Preview Lab → · Contrast checker → · Palette generator →