#CD3F37#CD3F37

#CD3F37 is a mid, vivid red. Relative luminance 0.168; OKLCH L 57.3% C 0.180 H 27.5°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#CD3F37
RGB	rgb(205, 63, 55)
HSL	hsl(3, 60%, 51%)
HSV	hsv(3, 73%, 80%)
CMYK	cmyk(0%, 69.3%, 73.2%, 19.6%)
CIE-LAB	lab(48.02, 55.32, 36.89)
CIE-LCH	lch(48.02, 66.49, 33.70°)
OKLab	oklab(57.32% 0.1597 0.0832)
OKLCH	oklch(57.32% 0.18 27.5)
XYZ	xyz(27.6470, 16.8141, 5.4034)
Luminance	0.1681 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CD3F37 #37C5CD

analogous

#CD377A #CD3F37 #CD8A37

triadic

#CD3F37 #37CD3F #3F37CD

tetradic

#CD3F37 #7ACD37 #37C5CD #8A37CD

square

#CD3F37 #7ACD37 #37C5CD #8A37CD

split-complementary

#CD3F37 #37CD8A #377ACD

monochromatic

#6E201C #9F2E28 #CD3F37 #D96E68 #E59D99

Accessibility & contrast

On white

4.81

#CD3F37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#CD3F37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CD3F37

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CD3F37	#FFFFFF	#000000	##FFFFFF
##CD3F37	1.00	4.81	4.36	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685E35

Deuteranopia (green-blind)

#8B7D32

Tritanopia (blue-blind)

#E10D3E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #cd3f37;
/* rgb */ color: rgb(205, 63, 55);
/* oklch */ color: oklch(57.3% 0.180 27.5);

Tailwind

colors: {
  custom: {
    50: '#e57d6e',
    500: '#cd3f37',
    950: '#000000',
  },
}

SCSS

$custom: #cd3f37;
$custom-light: #e57d6e;
$custom-dark: #000000;

JSON

{
  "hex": "#cd3f37",
  "rgb": {
    "r": 205,
    "g": 63,
    "b": 55
  },
  "hsl": {
    "h": 3.2,
    "s": 60,
    "l": 50.98
  },
  "oklch": {
    "l": 0.57319,
    "c": 0.18006,
    "h": 27.5
  },
  "luminance": 0.1681
}

Semantic roles & 50–950 ramp

primary

#CD3F37

secondary

#8FCED1

accent

#DBE345

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CD3F37

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

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