#AD3F27#AD3F27

#AD3F27 is a mid, vivid red. Relative luminance 0.126; OKLCH L 51.8% C 0.149 H 33.9°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX#AD3F27
RGBrgb(173, 63, 39)
HSLhsl(11, 63%, 42%)
HSVhsv(11, 77%, 68%)
CMYKcmyk(0%, 63.6%, 77.5%, 32.2%)
CIE-LABlab(42.14, 43.70, 37.70)
CIE-LCHlch(42.14, 57.71, 40.79°)
OKLaboklab(51.78% 0.1237 0.0831)
OKLCHoklch(51.78% 0.149 33.9)
XYZxyz(19.3794, 12.5885, 3.3284)
Luminance0.1259 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AD3F27 #2795AD
analogous
#AD2752 #AD3F27 #AD8227
triadic
#AD3F27 #27AD3F #3F27AD
tetradic
#AD3F27 #52AD27 #2795AD #8227AD
square
#AD3F27 #52AD27 #2795AD #8227AD
split-complementary
#AD3F27 #27AD82 #2752AD
monochromatic
#491B10 #7B2D1C #AD3F27 #D3593E #DF8470

Accessibility & contrast

On white

5.97
#AD3F27 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.52
#AD3F27 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3F27
5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AD3F27#FFFFFF#000000##FFFFFF
##AD3F271.005.973.525.97
#FFFFFF5.971.0021.001.00
#0000003.5221.001.0021.00
##FFFFFF5.971.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5E5424
Deuteranopia (green-blind)
#796C23
Tritanopia (blue-blind)
#BE233A
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #ad3f27;
/* rgb */ color: rgb(173, 63, 39);
/* oklch */ color: oklch(51.8% 0.149 33.9);
Tailwind
colors: {
  custom: {
    50: '#cd7963',
    500: '#ad3f27',
    950: '#000000',
  },
}
SCSS
$custom: #ad3f27;
$custom-light: #cd7963;
$custom-dark: #000000;
JSON
{
  "hex": "#ad3f27",
  "rgb": {
    "r": 173,
    "g": 63,
    "b": 39
  },
  "hsl": {
    "h": 10.746,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.51779,
    "c": 0.14907,
    "h": 33.9
  },
  "luminance": 0.12586
}

Semantic roles & 50–950 ramp

primary
#AD3F27
secondary
#6AB5C6
accent
#C9E642
background
#FDF7F5
surface
#FBEEEA
border
#D4C9C6
text
#150905
muted
#837B79

Preview Lab

Preview with #AD3F27

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

Preview Lab → · Contrast checker → · Palette generator →

#AD3F27 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva