#AD263A#AD263A

#AD263A is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.4% C 0.170 H 18.5°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX#AD263A
RGBrgb(173, 38, 58)
HSLhsl(351, 64%, 41%)
HSVhsv(351, 78%, 68%)
CMYKcmyk(0%, 78%, 66.5%, 32.2%)
CIE-LABlab(38.86, 54.29, 22.69)
CIE-LCHlch(38.86, 58.84, 22.68°)
OKLaboklab(49.41% 0.1611 0.0538)
OKLCHoklch(49.41% 0.17 18.5)
XYZxyz(18.6925, 10.5788, 5.0598)
Luminance0.1058 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AD263A #26AD99
analogous
#AD267E #AD263A #AD5626
triadic
#AD263A #3AAD26 #263AAD
tetradic
#AD263A #7EAD26 #26AD99 #5626AD
square
#AD263A #7EAD26 #26AD99 #5626AD
split-complementary
#AD263A #26AD56 #267EAD
monochromatic
#491018 #7B1B29 #AD263A #D43C53 #DF6E7F

Accessibility & contrast

On white

6.74
#AD263A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.12
#AD263A on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD263A
6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AD263A#FFFFFF#000000##FFFFFF
##AD263A1.006.743.126.74
#FFFFFF6.741.0021.001.00
#0000003.1221.001.0021.00
##FFFFFF6.741.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4E493A
Deuteranopia (green-blind)
#706636
Tritanopia (blue-blind)
#BE002F
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #ad263a;
/* rgb */ color: rgb(173, 38, 58);
/* oklch */ color: oklch(49.4% 0.170 18.5);
Tailwind
colors: {
  custom: {
    50: '#cd6d70',
    500: '#ad263a',
    950: '#000000',
  },
}
SCSS
$custom: #ad263a;
$custom-light: #cd6d70;
$custom-dark: #000000;
JSON
{
  "hex": "#ad263a",
  "rgb": {
    "r": 173,
    "g": 38,
    "b": 58
  },
  "hsl": {
    "h": 351.111,
    "s": 63.981,
    "l": 41.373
  },
  "oklch": {
    "l": 0.49414,
    "c": 0.16991,
    "h": 18.5
  },
  "luminance": 0.10576
}

Semantic roles & 50–950 ramp

primary
#AD263A
secondary
#69C6B8
accent
#E7CE41
background
#FDF7F6
surface
#FBEDEC
border
#D4C8C7
text
#150807
muted
#837B7A

Preview Lab

Preview with #AD263A

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

Preview Lab → · Contrast checker → · Palette generator →

#AD263A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva