#AD2B26#AD2B26

#AD2B26 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.5% C 0.167 H 27.5°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX#AD2B26
RGBrgb(173, 43, 38)
HSLhsl(2, 64%, 41%)
HSVhsv(2, 78%, 68%)
CMYKcmyk(0%, 75.1%, 78%, 32.2%)
CIE-LABlab(39.16, 51.72, 35.12)
CIE-LCHlch(39.16, 62.52, 34.18°)
OKLaboklab(49.55% 0.1486 0.0773)
OKLCHoklch(49.55% 0.167 27.5)
XYZxyz(18.4495, 10.7548, 2.9378)
Luminance0.1075 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AD2B26 #26A8AD
analogous
#AD2665 #AD2B26 #AD6F26
triadic
#AD2B26 #26AD2B #2B26AD
tetradic
#AD2B26 #65AD26 #26A8AD #6F26AD
square
#AD2B26 #65AD26 #26A8AD #6F26AD
split-complementary
#AD2B26 #26AD6F #2665AD
monochromatic
#491210 #7B1F1B #AD2B26 #D4423C #DF726E

Accessibility & contrast

On white

6.67
#AD2B26 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.15
#AD2B26 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2B26
6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AD2B26#FFFFFF#000000##FFFFFF
##AD2B261.006.673.156.67
#FFFFFF6.671.0021.001.00
#0000003.1521.001.0021.00
##FFFFFF6.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#524A24
Deuteranopia (green-blind)
#736621
Tritanopia (blue-blind)
#BF002B
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #ad2b26;
/* rgb */ color: rgb(173, 43, 38);
/* oklch */ color: oklch(49.5% 0.167 27.5);
Tailwind
colors: {
  custom: {
    50: '#ce6f61',
    500: '#ad2b26',
    950: '#000000',
  },
}
SCSS
$custom: #ad2b26;
$custom-light: #ce6f61;
$custom-dark: #000000;
JSON
{
  "hex": "#ad2b26",
  "rgb": {
    "r": 173,
    "g": 43,
    "b": 38
  },
  "hsl": {
    "h": 2.222,
    "s": 63.981,
    "l": 41.373
  },
  "oklch": {
    "l": 0.49548,
    "c": 0.16748,
    "h": 27.5
  },
  "luminance": 0.10752
}

Semantic roles & 50–950 ramp

primary
#AD2B26
secondary
#69C2C6
accent
#E1E741
background
#FDF7F5
surface
#FBEDEA
border
#D4C8C6
text
#150805
muted
#837B79

Preview Lab

Preview with #AD2B26

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

Preview Lab → · Contrast checker → · Palette generator →

#AD2B26 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva