#D13B37#D13B37

#D13B37 is a mid, vivid red. Relative luminance 0.170; OKLCH L 57.6% C 0.188 H 26.6°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#D13B37
RGB	rgb(209, 59, 55)
HSL	hsl(2, 63%, 52%)
HSV	hsv(2, 74%, 82%)
CMYK	cmyk(0%, 71.8%, 73.7%, 18%)
CIE-LAB	lab(48.21, 58.08, 37.30)
CIE-LCH	lch(48.21, 69.03, 32.71°)
OKLab	oklab(57.59% 0.1679 0.0839)
OKLCH	oklch(57.59% 0.188 26.6)
XYZ	xyz(28.5513, 16.9634, 5.3846)
Luminance	0.1696 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D13B37 #37CDD1

analogous

#D13780 #D13B37 #D18837

triadic

#D13B37 #37D13B #3B37D1

tetradic

#D13B37 #80D137 #37CDD1 #8837D1

square

#D13B37 #80D137 #37CDD1 #8837D1

split-complementary

#D13B37 #37D188 #3780D1

monochromatic

#731D1A #A52926 #D13B37 #DC6C69 #E89D9B

Accessibility & contrast

On white

4.78

#D13B37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#D13B37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D13B37

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D13B37	#FFFFFF	#000000	##FFFFFF
##D13B37	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675E35

Deuteranopia (green-blind)

#8C7E32

Tritanopia (blue-blind)

#E6003C

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #d13b37;
/* rgb */ color: rgb(209, 59, 55);
/* oklch */ color: oklch(57.6% 0.188 26.6);

Tailwind

colors: {
  custom: {
    50: '#e87b6e',
    500: '#d13b37',
    950: '#000000',
  },
}

SCSS

$custom: #d13b37;
$custom-light: #e87b6e;
$custom-dark: #000000;

JSON

{
  "hex": "#d13b37",
  "rgb": {
    "r": 209,
    "g": 59,
    "b": 55
  },
  "hsl": {
    "h": 1.558,
    "s": 62.602,
    "l": 51.765
  },
  "oklch": {
    "l": 0.57594,
    "c": 0.18768,
    "h": 26.6
  },
  "luminance": 0.16959
}

Semantic roles & 50–950 ramp

primary

#D13B37

secondary

#90D2D4

accent

#E1E642

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D13B37

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

Preview Lab → · Contrast checker → · Palette generator →