#D03F37#D03F37

#D03F37 is a mid, vivid red. Relative luminance 0.172; OKLCH L 57.8% C 0.183 H 27.6°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#D03F37
RGB	rgb(208, 63, 55)
HSL	hsl(3, 62%, 52%)
HSV	hsv(3, 74%, 82%)
CMYK	cmyk(0%, 69.7%, 73.6%, 18.4%)
CIE-LAB	lab(48.57, 56.29, 37.65)
CIE-LCH	lch(48.57, 67.72, 33.78°)
OKLab	oklab(57.82% 0.1624 0.0847)
OKLCH	oklch(57.82% 0.183 27.6)
XYZ	xyz(28.4827, 17.2450, 5.4425)
Luminance	0.1724 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D03F37 #37C8D0

analogous

#D0377C #D03F37 #D08C37

triadic

#D03F37 #37D03F #3F37D0

tetradic

#D03F37 #7CD037 #37C8D0 #8C37D0

square

#D03F37 #7CD037 #37C8D0 #8C37D0

split-complementary

#D03F37 #37D08C #377CD0

monochromatic

#721F1B #A32D26 #D03F37 #DC6F69 #E79E9A

Accessibility & contrast

On white

4.72

#D03F37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#D03F37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D03F37

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D03F37	#FFFFFF	#000000	##FFFFFF
##D03F37	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#695F35

Deuteranopia (green-blind)

#8D7F32

Tritanopia (blue-blind)

#E5083F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #d03f37;
/* rgb */ color: rgb(208, 63, 55);
/* oklch */ color: oklch(57.8% 0.183 27.6);

Tailwind

colors: {
  custom: {
    50: '#e77d6e',
    500: '#d03f37',
    950: '#000000',
  },
}

SCSS

$custom: #d03f37;
$custom-light: #e77d6e;
$custom-dark: #000000;

JSON

{
  "hex": "#d03f37",
  "rgb": {
    "r": 208,
    "g": 63,
    "b": 55
  },
  "hsl": {
    "h": 3.137,
    "s": 61.943,
    "l": 51.569
  },
  "oklch": {
    "l": 0.57824,
    "c": 0.18312,
    "h": 27.6
  },
  "luminance": 0.17241
}

Semantic roles & 50–950 ramp

primary

#D03F37

secondary

#90D0D3

accent

#DDE543

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D03F37

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

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