#DD4637#DD4637

#DD4637 is a mid, vivid red. Relative luminance 0.200; OKLCH L 60.7% C 0.190 H 29.4°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX#DD4637
RGBrgb(221, 70, 55)
HSLhsl(5, 71%, 54%)
HSVhsv(5, 75%, 87%)
CMYKcmyk(0%, 68.3%, 75.1%, 13.3%)
CIE-LABlab(51.87, 57.80, 41.95)
CIE-LCHlch(51.87, 71.42, 35.97°)
OKLaboklab(60.73% 0.1656 0.0933)
OKLCHoklch(60.73% 0.19 29.4)
XYZxyz(32.7022, 20.0332, 5.7585)
Luminance0.2003 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#DD4637 #37CEDD
analogous
#DD377B #DD4637 #DD9937
triadic
#DD4637 #37DD46 #4637DD
tetradic
#DD4637 #7BDD37 #37CEDD #9937DD
square
#DD4637 #7BDD37 #37CEDD #9937DD
split-complementary
#DD4637 #37DD99 #377BDD
monochromatic
#832016 #B82D1F #DD4637 #E6766B #EFA7A0

Accessibility & contrast

On white

4.20
#DD4637 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.01
#DD4637 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #DD4637
5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##DD4637#FFFFFF#000000##000000
##DD46371.004.205.015.01
#FFFFFF4.201.0021.0021.00
#0000005.0121.001.001.00
##0000005.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#726734
Deuteranopia (green-blind)
#978831
Tritanopia (blue-blind)
#F31244
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #dd4637;
/* rgb */ color: rgb(221, 70, 55);
/* oklch */ color: oklch(60.7% 0.190 29.4);
Tailwind
colors: {
  custom: {
    50: '#f1826f',
    500: '#dd4637',
    950: '#000000',
  },
}
SCSS
$custom: #dd4637;
$custom-light: #f1826f;
$custom-dark: #000000;
JSON
{
  "hex": "#dd4637",
  "rgb": {
    "r": 221,
    "g": 70,
    "b": 55
  },
  "hsl": {
    "h": 5.422,
    "s": 70.94,
    "l": 54.118
  },
  "oklch": {
    "l": 0.60728,
    "c": 0.19007,
    "h": 29.4
  },
  "luminance": 0.20028
}

Semantic roles & 50–950 ramp

primary
#DD4637
secondary
#95D5DB
accent
#DDEE3A
background
#FFF8F6
surface
#FFEFEC
border
#D7CAC7
text
#180B07
muted
#867C7A

Preview Lab

Preview with #DD4637

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

Preview Lab → · Contrast checker → · Palette generator →

#DD4637 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva