#D03837#D03837

#D03837 is a mid, vivid red. Relative luminance 0.165; OKLCH L 57.1% C 0.189 H 25.8°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#D03837
RGB	rgb(208, 56, 55)
HSL	hsl(0, 62%, 52%)
HSV	hsv(0, 74%, 82%)
CMYK	cmyk(0%, 73.1%, 73.6%, 18.4%)
CIE-LAB	lab(47.65, 58.82, 36.61)
CIE-LCH	lch(47.65, 69.29, 31.90°)
OKLab	oklab(57.14% 0.1704 0.0825)
OKLCH	oklch(57.14% 0.189 25.8)
XYZ	xyz(28.1194, 16.5184, 5.3214)
Luminance	0.1651 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D03837 #37CFD0

analogous

#D03783 #D03837 #D08537

triadic

#D03837 #37D038 #3837D0

tetradic

#D03837 #83D037 #37CFD0 #8537D0

square

#D03837 #83D037 #37CFD0 #8537D0

split-complementary

#D03837 #37D085 #3783D0

monochromatic

#721B1B #A32726 #D03837 #DC6969 #E79B9A

Accessibility & contrast

On white

4.88

#D03837 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#D03837 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D03837

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D03837	#FFFFFF	#000000	##FFFFFF
##D03837	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655C35

Deuteranopia (green-blind)

#8B7D31

Tritanopia (blue-blind)

#E5003A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #d03837;
/* rgb */ color: rgb(208, 56, 55);
/* oklch */ color: oklch(57.1% 0.189 25.8);

Tailwind

colors: {
  custom: {
    50: '#e77a6e',
    500: '#d03837',
    950: '#000000',
  },
}

SCSS

$custom: #d03837;
$custom-light: #e77a6e;
$custom-dark: #000000;

JSON

{
  "hex": "#d03837",
  "rgb": {
    "r": 208,
    "g": 56,
    "b": 55
  },
  "hsl": {
    "h": 0.392,
    "s": 61.943,
    "l": 51.569
  },
  "oklch": {
    "l": 0.57138,
    "c": 0.18926,
    "h": 25.8
  },
  "luminance": 0.16514
}

Semantic roles & 50–950 ramp

primary

#D03837

secondary

#90D3D3

accent

#E4E543

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D03837

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

Preview Lab → · Contrast checker → · Palette generator →