#AD3B28#AD3B28

#AD3B28 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.3% C 0.153 H 31.9°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX#AD3B28
RGBrgb(173, 59, 40)
HSLhsl(9, 62%, 42%)
HSVhsv(9, 77%, 68%)
CMYKcmyk(0%, 65.9%, 76.9%, 32.2%)
CIE-LABlab(41.48, 45.52, 36.46)
CIE-LCHlch(41.48, 58.32, 38.70°)
OKLaboklab(51.29% 0.1296 0.0807)
OKLCHoklch(51.29% 0.153 31.9)
XYZxyz(19.1827, 12.1682, 3.3457)
Luminance0.1216 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AD3B28 #289AAD
analogous
#AD2858 #AD3B28 #AD7D28
triadic
#AD3B28 #28AD3B #3B28AD
tetradic
#AD3B28 #58AD28 #289AAD #7D28AD
square
#AD3B28 #58AD28 #289AAD #7D28AD
split-complementary
#AD3B28 #28AD7D #2858AD
monochromatic
#4A1911 #7B2A1D #AD3B28 #D3553F #DE8171

Accessibility & contrast

On white

6.12
#AD3B28 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.43
#AD3B28 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3B28
6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AD3B28#FFFFFF#000000##FFFFFF
##AD3B281.006.123.436.12
#FFFFFF6.121.0021.001.00
#0000003.4321.001.0021.00
##FFFFFF6.121.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5B5225
Deuteranopia (green-blind)
#786B24
Tritanopia (blue-blind)
#BE1B37
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #ad3b28;
/* rgb */ color: rgb(173, 59, 40);
/* oklch */ color: oklch(51.3% 0.153 31.9);
Tailwind
colors: {
  custom: {
    50: '#cd7763',
    500: '#ad3b28',
    950: '#000000',
  },
}
SCSS
$custom: #ad3b28;
$custom-light: #cd7763;
$custom-dark: #000000;
JSON
{
  "hex": "#ad3b28",
  "rgb": {
    "r": 173,
    "g": 59,
    "b": 40
  },
  "hsl": {
    "h": 8.571,
    "s": 62.441,
    "l": 41.765
  },
  "oklch": {
    "l": 0.5129,
    "c": 0.15267,
    "h": 31.9
  },
  "luminance": 0.12165
}

Semantic roles & 50–950 ramp

primary
#AD3B28
secondary
#6CB8C5
accent
#CEE642
background
#FDF7F5
surface
#FBEDEA
border
#D4C8C6
text
#150905
muted
#837B79

Preview Lab

Preview with #AD3B28

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

Preview Lab → · Contrast checker → · Palette generator →

#AD3B28 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva