#AD5539#AD5539

#AD5539 is a mid, vivid red. Relative luminance 0.157; OKLCH L 55.2% C 0.123 H 38.2°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX#AD5539
RGBrgb(173, 85, 57)
HSLhsl(14, 50%, 45%)
HSVhsv(14, 67%, 68%)
CMYKcmyk(0%, 50.9%, 67.1%, 32.2%)
CIE-LABlab(46.55, 33.72, 32.69)
CIE-LCHlch(46.55, 46.96, 44.11°)
OKLaboklab(55.19% 0.0963 0.0759)
OKLCHoklch(55.19% 0.123 38.2)
XYZxyz(21.2225, 15.6792, 5.7789)
Luminance0.1568 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AD5539 #3991AD
analogous
#AD3957 #AD5539 #AD8F39
triadic
#AD5539 #39AD55 #5539AD
tetradic
#AD5539 #57AD39 #3991AD #8F39AD
square
#AD5539 #57AD39 #3991AD #8F39AD
split-complementary
#AD5539 #39AD8F #3957AD
monochromatic
#51281B #7F3E2A #AD5539 #C9755A #D89C88

Accessibility & contrast

On white

5.08
#AD5539 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.14
#AD5539 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD5539
5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AD5539#FFFFFF#000000##FFFFFF
##AD55391.005.084.145.08
#FFFFFF5.081.0021.001.00
#0000004.1421.001.0021.00
##FFFFFF5.081.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6C6236
Deuteranopia (green-blind)
#827637
Tritanopia (blue-blind)
#BD444F
Achromatopsia (no color)
#6E6E6E

Design tokens & code

CSS
--color: #ad5539;
/* rgb */ color: rgb(173, 85, 57);
/* oklch */ color: oklch(55.2% 0.123 38.2);
Tailwind
colors: {
  custom: {
    50: '#cb8770',
    500: '#ad5539',
    950: '#000000',
  },
}
SCSS
$custom: #ad5539;
$custom-light: #cb8770;
$custom-dark: #000000;
JSON
{
  "hex": "#ad5539",
  "rgb": {
    "r": 173,
    "g": 85,
    "b": 57
  },
  "hsl": {
    "h": 14.483,
    "s": 50.435,
    "l": 45.098
  },
  "oklch": {
    "l": 0.55193,
    "c": 0.12265,
    "h": 38.2
  },
  "luminance": 0.15677
}

Semantic roles & 50–950 ramp

primary
#AD5539
secondary
#80B2C2
accent
#B8DA4E
background
#FDF8F6
surface
#FAEFEC
border
#D3CAC7
text
#140B07
muted
#837C7A

Preview Lab

Preview with #AD5539

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

Preview Lab → · Contrast checker → · Palette generator →

#AD5539 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva