#AD3121#AD3121

#AD3121 is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.1% C 0.163 H 30.7°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX#AD3121
RGBrgb(173, 49, 33)
HSLhsl(7, 68%, 40%)
HSVhsv(7, 81%, 68%)
CMYKcmyk(0%, 71.7%, 80.9%, 32.2%)
CIE-LABlab(39.90, 49.36, 38.65)
CIE-LCHlch(39.90, 62.70, 38.06°)
OKLaboklab(50.08% 0.1402 0.0834)
OKLCHoklch(50.08% 0.163 30.7)
XYZxyz(18.6086, 11.1935, 2.6193)
Luminance0.1119 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AD3121 #219DAD
analogous
#AD2157 #AD3121 #AD7721
triadic
#AD3121 #21AD31 #3121AD
tetradic
#AD3121 #57AD21 #219DAD #7721AD
square
#AD3121 #57AD21 #219DAD #7721AD
split-complementary
#AD3121 #21AD77 #2157AD
monochromatic
#46140D #7A2217 #AD3121 #D84633 #E27566

Accessibility & contrast

On white

6.49
#AD3121 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.24
#AD3121 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3121
6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AD3121#FFFFFF#000000##FFFFFF
##AD31211.006.493.246.49
#FFFFFF6.491.0021.001.00
#0000003.2421.001.0021.00
##FFFFFF6.491.0021.001.00

Color blindness preview

Protanopia (red-blind)
#564D1E
Deuteranopia (green-blind)
#75681B
Tritanopia (blue-blind)
#BF002E
Achromatopsia (no color)
#5E5E5E

Design tokens & code

CSS
--color: #ad3121;
/* rgb */ color: rgb(173, 49, 33);
/* oklch */ color: oklch(50.1% 0.163 30.7);
Tailwind
colors: {
  custom: {
    50: '#ce715e',
    500: '#ad3121',
    950: '#000000',
  },
}
SCSS
$custom: #ad3121;
$custom-light: #ce715e;
$custom-dark: #000000;
JSON
{
  "hex": "#ad3121",
  "rgb": {
    "r": 173,
    "g": 49,
    "b": 33
  },
  "hsl": {
    "h": 6.857,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.50084,
    "c": 0.16312,
    "h": 30.7
  },
  "luminance": 0.11191
}

Semantic roles & 50–950 ramp

primary
#AD3121
secondary
#62BCC7
accent
#D7EB3D
background
#FDF7F5
surface
#FBEDE9
border
#D4C8C5
text
#150804
muted
#837B79

Preview Lab

Preview with #AD3121

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

Preview Lab → · Contrast checker → · Palette generator →

#AD3121 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva