#AD3621#AD3621

#AD3621 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.6% C 0.159 H 32.4°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX#AD3621
RGBrgb(173, 54, 33)
HSLhsl(9, 68%, 40%)
HSVhsv(9, 81%, 68%)
CMYKcmyk(0%, 68.8%, 80.9%, 32.2%)
CIE-LABlab(40.63, 47.38, 39.37)
CIE-LCHlch(40.63, 61.60, 39.72°)
OKLaboklab(50.63% 0.134 0.085)
OKLCHoklch(50.63% 0.159 32.4)
XYZxyz(18.8294, 11.6352, 2.6929)
Luminance0.1163 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AD3621 #2198AD
analogous
#AD2152 #AD3621 #AD7C21
triadic
#AD3621 #21AD36 #3621AD
tetradic
#AD3621 #52AD21 #2198AD #7C21AD
square
#AD3621 #52AD21 #2198AD #7C21AD
split-complementary
#AD3621 #21AD7C #2152AD
monochromatic
#46160D #7A2617 #AD3621 #D84C33 #E27966

Accessibility & contrast

On white

6.31
#AD3621 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.33
#AD3621 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3621
6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AD3621#FFFFFF#000000##FFFFFF
##AD36211.006.313.336.31
#FFFFFF6.311.0021.001.00
#0000003.3321.001.0021.00
##FFFFFF6.311.0021.001.00

Color blindness preview

Protanopia (red-blind)
#594F1D
Deuteranopia (green-blind)
#76691C
Tritanopia (blue-blind)
#BF0C32
Achromatopsia (no color)
#606060

Design tokens & code

CSS
--color: #ad3621;
/* rgb */ color: rgb(173, 54, 33);
/* oklch */ color: oklch(50.6% 0.159 32.4);
Tailwind
colors: {
  custom: {
    50: '#ce745e',
    500: '#ad3621',
    950: '#000000',
  },
}
SCSS
$custom: #ad3621;
$custom-light: #ce745e;
$custom-dark: #000000;
JSON
{
  "hex": "#ad3621",
  "rgb": {
    "r": 173,
    "g": 54,
    "b": 33
  },
  "hsl": {
    "h": 9,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.50628,
    "c": 0.15867,
    "h": 32.4
  },
  "luminance": 0.11632
}

Semantic roles & 50–950 ramp

primary
#AD3621
secondary
#62B8C7
accent
#D1EB3D
background
#FDF7F5
surface
#FBEDE9
border
#D4C8C5
text
#150904
muted
#837B79

Preview Lab

Preview with #AD3621

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

Preview Lab → · Contrast checker → · Palette generator →

#AD3621 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva