#D03E3E#D03E3E

#D03E3E is a mid, vivid red. Relative luminance 0.172; OKLCH L 57.8% C 0.183 H 25.0°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#D03E3E
RGB	rgb(208, 62, 62)
HSL	hsl(0, 61%, 53%)
HSV	hsv(0, 70%, 82%)
CMYK	cmyk(0%, 70.2%, 70.2%, 18.4%)
CIE-LAB	lab(48.52, 56.98, 33.59)
CIE-LCH	lch(48.52, 66.14, 30.52°)
OKLab	oklab(57.82% 0.166 0.0773)
OKLCH	oklch(57.82% 0.183 25)
XYZ	xyz(28.6077, 17.2072, 6.3715)
Luminance	0.1720 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D03E3E #3ED0D0

analogous

#D03E87 #D03E3E #D0873E

triadic

#D03E3E #3ED03E #3E3ED0

tetradic

#D03E3E #87D03E #3ED0D0 #873ED0

square

#D03E3E #87D03E #3ED0D0 #873ED0

split-complementary

#D03E3E #3ED087 #3E87D0

monochromatic

#771D1D #A82929 #D03E3E #DC6F6F #E8A0A0

Accessibility & contrast

On white

4.73

#D03E3E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#D03E3E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D03E3E

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D03E3E	#FFFFFF	#000000	##FFFFFF
##D03E3E	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675F3C

Deuteranopia (green-blind)

#8C7F39

Tritanopia (blue-blind)

#E40840

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #d03e3e;
/* rgb */ color: rgb(208, 62, 62);
/* oklch */ color: oklch(57.8% 0.183 25.0);

Tailwind

colors: {
  custom: {
    50: '#e77d73',
    500: '#d03e3e',
    950: '#000000',
  },
}

SCSS

$custom: #d03e3e;
$custom-light: #e77d73;
$custom-dark: #000000;

JSON

{
  "hex": "#d03e3e",
  "rgb": {
    "r": 208,
    "g": 62,
    "b": 62
  },
  "hsl": {
    "h": 0,
    "s": 60.833,
    "l": 52.941
  },
  "oklch": {
    "l": 0.57818,
    "c": 0.18309,
    "h": 25
  },
  "luminance": 0.17203
}

Semantic roles & 50–950 ramp

primary

#D03E3E

secondary

#95D4D4

accent

#E4E444

background

#FFF8F7

surface

#FFEFED

border

#D7CAC8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #D03E3E

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

Preview Lab → · Contrast checker → · Palette generator →