#D83537#D83537

#D83537 is a mid, vivid red. Relative luminance 0.174; OKLCH L 58.3% C 0.199 H 25.4°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX#D83537
RGBrgb(216, 53, 55)
HSLhsl(359, 68%, 53%)
HSVhsv(359, 75%, 85%)
CMYKcmyk(0%, 75.5%, 74.5%, 15.3%)
CIE-LABlab(48.79, 62.23, 38.31)
CIE-LCHlch(48.79, 73.08, 31.62°)
OKLaboklab(58.26% 0.1802 0.0857)
OKLCHoklch(58.26% 0.199 25.4)
XYZxyz(30.2851, 17.4257, 5.3825)
Luminance0.1742 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#D83537 #35D8D6
analogous
#D83588 #D83537 #D88535
triadic
#D83537 #37D835 #3537D8
tetradic
#D83537 #88D835 #35D8D6 #8535D8
square
#D83537 #88D835 #35D8D6 #8535D8
split-complementary
#D83537 #35D885 #3588D8
monochromatic
#7B1819 #AE2223 #D83537 #E2686A #EC9C9D

Accessibility & contrast

On white

4.68
#D83537 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.48
#D83537 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D83537
4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##D83537#FFFFFF#000000##FFFFFF
##D835371.004.684.484.68
#FFFFFF4.681.0021.001.00
#0000004.4821.001.0021.00
##FFFFFF4.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#665D35
Deuteranopia (green-blind)
#8F8131
Tritanopia (blue-blind)
#EE0038
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #d83537;
/* rgb */ color: rgb(216, 53, 55);
/* oklch */ color: oklch(58.3% 0.199 25.4);
Tailwind
colors: {
  custom: {
    50: '#ed796e',
    500: '#d83537',
    950: '#000000',
  },
}
SCSS
$custom: #d83537;
$custom-light: #ed796e;
$custom-dark: #000000;
JSON
{
  "hex": "#d83537",
  "rgb": {
    "r": 216,
    "g": 53,
    "b": 55
  },
  "hsl": {
    "h": 359.264,
    "s": 67.635,
    "l": 52.745
  },
  "oklch": {
    "l": 0.5826,
    "c": 0.19948,
    "h": 25.4
  },
  "luminance": 0.17421
}

Semantic roles & 50–950 ramp

primary
#D83537
secondary
#91D8D7
accent
#EBE83D
background
#FFF7F6
surface
#FFEEEC
border
#D7C9C7
text
#180A07
muted
#867C7A

Preview Lab

Preview with #D83537

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

Preview Lab → · Contrast checker → · Palette generator →

#D83537 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva