#AD3128#AD3128

#AD3128 is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.2% C 0.162 H 28.5°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX#AD3128
RGBrgb(173, 49, 40)
HSLhsl(4, 62%, 42%)
HSVhsv(4, 77%, 68%)
CMYKcmyk(0%, 71.7%, 76.9%, 32.2%)
CIE-LABlab(39.98, 49.62, 34.85)
CIE-LCHlch(39.98, 60.63, 35.09°)
OKLaboklab(50.16% 0.1424 0.0772)
OKLCHoklch(50.16% 0.162 28.5)
XYZxyz(18.7170, 11.2369, 3.1905)
Luminance0.1123 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AD3128 #28A4AD
analogous
#AD2862 #AD3128 #AD7428
triadic
#AD3128 #28AD31 #3128AD
tetradic
#AD3128 #62AD28 #28A4AD #7428AD
square
#AD3128 #62AD28 #28A4AD #7428AD
split-complementary
#AD3128 #28AD74 #2862AD
monochromatic
#4A1511 #7B231D #AD3128 #D3493F #DE7971

Accessibility & contrast

On white

6.47
#AD3128 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.25
#AD3128 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3128
6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AD3128#FFFFFF#000000##FFFFFF
##AD31281.006.473.256.47
#FFFFFF6.471.0021.001.00
#0000003.2521.001.0021.00
##FFFFFF6.471.0021.001.00

Color blindness preview

Protanopia (red-blind)
#554D26
Deuteranopia (green-blind)
#746823
Tritanopia (blue-blind)
#BF0030
Achromatopsia (no color)
#5E5E5E

Design tokens & code

CSS
--color: #ad3128;
/* rgb */ color: rgb(173, 49, 40);
/* oklch */ color: oklch(50.2% 0.162 28.5);
Tailwind
colors: {
  custom: {
    50: '#ce7263',
    500: '#ad3128',
    950: '#000000',
  },
}
SCSS
$custom: #ad3128;
$custom-light: #ce7263;
$custom-dark: #000000;
JSON
{
  "hex": "#ad3128",
  "rgb": {
    "r": 173,
    "g": 49,
    "b": 40
  },
  "hsl": {
    "h": 4.06,
    "s": 62.441,
    "l": 41.765
  },
  "oklch": {
    "l": 0.50161,
    "c": 0.16199,
    "h": 28.5
  },
  "luminance": 0.11234
}

Semantic roles & 50–950 ramp

primary
#AD3128
secondary
#6CBFC5
accent
#DAE642
background
#FDF7F5
surface
#FBEDEA
border
#D4C8C6
text
#150805
muted
#837B79

Preview Lab

Preview with #AD3128

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

Preview Lab → · Contrast checker → · Palette generator →

#AD3128 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva