#D03537#D03537

#D03537 is a mid, vivid red. Relative luminance 0.162; OKLCH L 56.9% C 0.192 H 25.2°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#D03537
RGB	rgb(208, 53, 55)
HSL	hsl(359, 62%, 51%)
HSV	hsv(359, 75%, 82%)
CMYK	cmyk(0%, 74.5%, 73.6%, 18.4%)
CIE-LAB	lab(47.28, 59.84, 36.20)
CIE-LCH	lch(47.28, 69.93, 31.18°)
OKLab	oklab(56.87% 0.1736 0.0816)
OKLCH	oklch(56.87% 0.192 25.2)
XYZ	xyz(27.9783, 16.2363, 5.2744)
Luminance	0.1623 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D03537 #35D0CE

analogous

#D03584 #D03537 #D08035

triadic

#D03537 #37D035 #3537D0

tetradic

#D03537 #84D035 #35D0CE #8035D0

square

#D03537 #84D035 #35D0CE #8035D0

split-complementary

#D03537 #35D080 #3584D0

monochromatic

#701A1B #A22627 #D03537 #DC6768 #E79899

Accessibility & contrast

On white

4.95

#D03537 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#D03537 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D03537

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D03537	#FFFFFF	#000000	##FFFFFF
##D03537	1.00	4.95	4.25	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635B35

Deuteranopia (green-blind)

#8A7C31

Tritanopia (blue-blind)

#E50038

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #d03537;
/* rgb */ color: rgb(208, 53, 55);
/* oklch */ color: oklch(56.9% 0.192 25.2);

Tailwind

colors: {
  custom: {
    50: '#e7786e',
    500: '#d03537',
    950: '#000000',
  },
}

SCSS

$custom: #d03537;
$custom-light: #e7786e;
$custom-dark: #000000;

JSON

{
  "hex": "#d03537",
  "rgb": {
    "r": 208,
    "g": 53,
    "b": 55
  },
  "hsl": {
    "h": 359.226,
    "s": 62.249,
    "l": 51.176
  },
  "oklch": {
    "l": 0.56866,
    "c": 0.19176,
    "h": 25.2
  },
  "luminance": 0.16232
}

Semantic roles & 50–950 ramp

primary

#D03537

secondary

#8ED3D2

accent

#E5E342

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D03537

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

Preview Lab → · Contrast checker → · Palette generator →