#AD2323#AD2323

#AD2323 is a mid, vivid red. Relative luminance 0.102; OKLCH L 48.8% C 0.174 H 26.6°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX#AD2323
RGBrgb(173, 35, 35)
HSLhsl(0, 66%, 41%)
HSVhsv(0, 80%, 68%)
CMYKcmyk(0%, 79.8%, 79.8%, 32.2%)
CIE-LABlab(38.22, 54.18, 35.85)
CIE-LCHlch(38.22, 64.96, 33.49°)
OKLaboklab(48.83% 0.1557 0.0779)
OKLCHoklch(48.83% 0.174 26.6)
XYZxyz(18.1402, 10.2106, 2.6055)
Luminance0.1021 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AD2323 #23ADAD
analogous
#AD2368 #AD2323 #AD6823
triadic
#AD2323 #23AD23 #2323AD
tetradic
#AD2323 #68AD23 #23ADAD #6823AD
square
#AD2323 #68AD23 #23ADAD #6823AD
split-complementary
#AD2323 #23AD68 #2368AD
monochromatic
#470E0E #7A1919 #AD2323 #D63737 #E16A6A

Accessibility & contrast

On white

6.90
#AD2323 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.04
#AD2323 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2323
6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AD2323#FFFFFF#000000##FFFFFF
##AD23231.006.903.046.90
#FFFFFF6.901.0021.001.00
#0000003.0421.001.0021.00
##FFFFFF6.901.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4F4721
Deuteranopia (green-blind)
#71651D
Tritanopia (blue-blind)
#BF0025
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #ad2323;
/* rgb */ color: rgb(173, 35, 35);
/* oklch */ color: oklch(48.8% 0.174 26.6);
Tailwind
colors: {
  custom: {
    50: '#cf6b5f',
    500: '#ad2323',
    950: '#000000',
  },
}
SCSS
$custom: #ad2323;
$custom-light: #cf6b5f;
$custom-dark: #000000;
JSON
{
  "hex": "#ad2323",
  "rgb": {
    "r": 173,
    "g": 35,
    "b": 35
  },
  "hsl": {
    "h": 0,
    "s": 66.346,
    "l": 40.784
  },
  "oklch": {
    "l": 0.48833,
    "c": 0.1741,
    "h": 26.6
  },
  "luminance": 0.10208
}

Semantic roles & 50–950 ramp

primary
#AD2323
secondary
#65C7C7
accent
#E9E93F
background
#FEF6F5
surface
#FCECE9
border
#D5C7C5
text
#160804
muted
#847A79

Preview Lab

Preview with #AD2323

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

Preview Lab → · Contrast checker → · Palette generator →

#AD2323 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva