#D83F37#D83F37

#D83F37 is a mid, vivid red. Relative luminance 0.184; OKLCH L 59.2% C 0.191 H 27.6°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#D83F37
RGB	rgb(216, 63, 55)
HSL	hsl(3, 67%, 53%)
HSV	hsv(3, 75%, 85%)
CMYK	cmyk(0%, 70.8%, 74.5%, 15.3%)
CIE-LAB	lab(50.02, 58.83, 39.67)
CIE-LCH	lch(50.02, 70.95, 33.99°)
OKLab	oklab(59.18% 0.1694 0.0886)
OKLCH	oklch(59.18% 0.191 27.6)
XYZ	xyz(30.7895, 18.4345, 5.5507)
Luminance	0.1843 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D83F37 #37D0D8

analogous

#D83780 #D83F37 #D88F37

triadic

#D83F37 #37D83F #3F37D8

tetradic

#D83F37 #80D837 #37D0D8 #8F37D8

square

#D83F37 #80D837 #37D0D8 #8F37D8

split-complementary

#D83F37 #37D88F #3780D8

monochromatic

#7C1D18 #B02922 #D83F37 #E2706A #ECA19D

Accessibility & contrast

On white

4.48

#D83F37 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#D83F37 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #D83F37

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D83F37	#FFFFFF	#000000	##000000
##D83F37	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C6235

Deuteranopia (green-blind)

#928331

Tritanopia (blue-blind)

#EE003F

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #d83f37;
/* rgb */ color: rgb(216, 63, 55);
/* oklch */ color: oklch(59.2% 0.191 27.6);

Tailwind

colors: {
  custom: {
    50: '#ed7e6e',
    500: '#d83f37',
    950: '#000000',
  },
}

SCSS

$custom: #d83f37;
$custom-light: #ed7e6e;
$custom-dark: #000000;

JSON

{
  "hex": "#d83f37",
  "rgb": {
    "r": 216,
    "g": 63,
    "b": 55
  },
  "hsl": {
    "h": 2.981,
    "s": 67.364,
    "l": 53.137
  },
  "oklch": {
    "l": 0.59175,
    "c": 0.19119,
    "h": 27.6
  },
  "luminance": 0.1843
}

Semantic roles & 50–950 ramp

primary

#D83F37

secondary

#93D5D8

accent

#E2EA3E

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#180B07

muted

#867C7A

Preview Lab

Preview with #D83F37

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

Preview Lab → · Contrast checker → · Palette generator →