#AD391D#AD391D

#AD391D is a mid, vivid red. Relative luminance 0.119; OKLCH L 50.9% C 0.157 H 34.6°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX#AD391D
RGBrgb(173, 57, 29)
HSLhsl(12, 71%, 40%)
HSVhsv(12, 83%, 68%)
CMYKcmyk(0%, 67.1%, 83.2%, 32.2%)
CIE-LABlab(41.06, 46.00, 41.81)
CIE-LCHlch(41.06, 62.16, 42.27°)
OKLaboklab(50.94% 0.129 0.089)
OKLCHoklch(50.94% 0.157 34.6)
XYZxyz(18.9207, 11.9020, 2.4632)
Luminance0.1190 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AD391D #1D91AD
analogous
#AD1D49 #AD391D #AD811D
triadic
#AD391D #1DAD39 #391DAD
tetradic
#AD391D #49AD1D #1D91AD #811DAD
square
#AD391D #49AD1D #1D91AD #811DAD
split-complementary
#AD391D #1DAD81 #1D49AD
monochromatic
#44160B #792814 #AD391D #DC4E2C #E47A60

Accessibility & contrast

On white

6.21
#AD391D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.38
#AD391D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD391D
6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AD391D#FFFFFF#000000##FFFFFF
##AD391D1.006.213.386.21
#FFFFFF6.211.0021.001.00
#0000003.3821.001.0021.00
##FFFFFF6.211.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5B5018
Deuteranopia (green-blind)
#776A17
Tritanopia (blue-blind)
#BF1434
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #ad391d;
/* rgb */ color: rgb(173, 57, 29);
/* oklch */ color: oklch(50.9% 0.157 34.6);
Tailwind
colors: {
  custom: {
    50: '#ce755c',
    500: '#ad391d',
    950: '#000000',
  },
}
SCSS
$custom: #ad391d;
$custom-light: #ce755c;
$custom-dark: #000000;
JSON
{
  "hex": "#ad391d",
  "rgb": {
    "r": 173,
    "g": 57,
    "b": 29
  },
  "hsl": {
    "h": 11.667,
    "s": 71.287,
    "l": 39.608
  },
  "oklch": {
    "l": 0.5094,
    "c": 0.15671,
    "h": 34.6
  },
  "luminance": 0.11899
}

Semantic roles & 50–950 ramp

primary
#AD391D
secondary
#5DB4C9
accent
#CBEE3A
background
#FDF7F5
surface
#FBEDE9
border
#D4C8C5
text
#150904
muted
#837B79

Preview Lab

Preview with #AD391D

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

Preview Lab → · Contrast checker → · Palette generator →

#AD391D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva