#DD4537#DD4537

#DD4537 is a mid, vivid red. Relative luminance 0.199; OKLCH L 60.6% C 0.191 H 29.1°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX#DD4537
RGBrgb(221, 69, 55)
HSLhsl(5, 71%, 54%)
HSVhsv(5, 75%, 87%)
CMYKcmyk(0%, 68.8%, 75.1%, 13.3%)
CIE-LABlab(51.73, 58.18, 41.80)
CIE-LCHlch(51.73, 71.64, 35.70°)
OKLaboklab(60.62% 0.1668 0.0929)
OKLCHoklch(60.62% 0.191 29.1)
XYZxyz(32.6402, 19.9091, 5.7379)
Luminance0.1990 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#DD4537 #37CFDD
analogous
#DD377C #DD4537 #DD9837
triadic
#DD4537 #37DD45 #4537DD
tetradic
#DD4537 #7CDD37 #37CFDD #9837DD
square
#DD4537 #7CDD37 #37CFDD #9837DD
split-complementary
#DD4537 #37DD98 #377CDD
monochromatic
#832016 #B82C1F #DD4537 #E6766B #EFA6A0

Accessibility & contrast

On white

4.22
#DD4537 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.98
#DD4537 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #DD4537
4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##DD4537#FFFFFF#000000##000000
##DD45371.004.224.984.98
#FFFFFF4.221.0021.0021.00
#0000004.9821.001.001.00
##0000004.9821.001.001.00

Color blindness preview

Protanopia (red-blind)
#716634
Deuteranopia (green-blind)
#978831
Tritanopia (blue-blind)
#F30E43
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #dd4537;
/* rgb */ color: rgb(221, 69, 55);
/* oklch */ color: oklch(60.6% 0.191 29.1);
Tailwind
colors: {
  custom: {
    50: '#f1826f',
    500: '#dd4537',
    950: '#000000',
  },
}
SCSS
$custom: #dd4537;
$custom-light: #f1826f;
$custom-dark: #000000;
JSON
{
  "hex": "#dd4537",
  "rgb": {
    "r": 221,
    "g": 69,
    "b": 55
  },
  "hsl": {
    "h": 5.06,
    "s": 70.94,
    "l": 54.118
  },
  "oklch": {
    "l": 0.60622,
    "c": 0.19095,
    "h": 29.1
  },
  "luminance": 0.19904
}

Semantic roles & 50–950 ramp

primary
#DD4537
secondary
#95D5DB
accent
#DFEE3A
background
#FFF8F6
surface
#FFEFEC
border
#D7CAC7
text
#190B07
muted
#867C7A

Preview Lab

Preview with #DD4537

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

Preview Lab → · Contrast checker → · Palette generator →

#DD4537 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva