#D03838#D03838

#D03838 is a mid, vivid red. Relative luminance 0.165; OKLCH L 57.2% C 0.189 H 25.5°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#D03838
RGB	rgb(208, 56, 56)
HSL	hsl(0, 62%, 52%)
HSV	hsv(0, 73%, 82%)
CMYK	cmyk(0%, 73.1%, 73.1%, 18.4%)
CIE-LAB	lab(47.66, 58.86, 36.06)
CIE-LCH	lch(47.66, 69.03, 31.49°)
OKLab	oklab(57.15% 0.1707 0.0815)
OKLCH	oklch(57.15% 0.189 25.5)
XYZ	xyz(28.1436, 16.5281, 5.4490)
Luminance	0.1652 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D03838 #38D0D0

analogous

#D03884 #D03838 #D08438

triadic

#D03838 #38D038 #3838D0

tetradic

#D03838 #84D038 #38D0D0 #8438D0

square

#D03838 #84D038 #38D0D0 #8438D0

split-complementary

#D03838 #38D084 #3884D0

monochromatic

#731B1B #A42727 #D03838 #DC6A6A #E79B9B

Accessibility & contrast

On white

4.88

#D03838 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#D03838 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D03838

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D03838	#FFFFFF	#000000	##FFFFFF
##D03838	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)

#655C36

Deuteranopia (green-blind)

#8B7D33

Tritanopia (blue-blind)

#E5003A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #d03838;
/* rgb */ color: rgb(208, 56, 56);
/* oklch */ color: oklch(57.2% 0.189 25.5);

Tailwind

colors: {
  custom: {
    50: '#e77a6f',
    500: '#d03838',
    950: '#000000',
  },
}

SCSS

$custom: #d03838;
$custom-light: #e77a6f;
$custom-dark: #000000;

JSON

{
  "hex": "#d03838",
  "rgb": {
    "r": 208,
    "g": 56,
    "b": 56
  },
  "hsl": {
    "h": 0,
    "s": 61.789,
    "l": 51.765
  },
  "oklch": {
    "l": 0.57151,
    "c": 0.18913,
    "h": 25.5
  },
  "luminance": 0.16524
}

Semantic roles & 50–950 ramp

primary

#D03838

secondary

#91D3D3

accent

#E5E543

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D03838

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

Preview Lab → · Contrast checker → · Palette generator →