#AA2221#AA2221

#AA2221 is a mid, vivid red. Relative luminance 0.098; OKLCH L 48.2% C 0.172 H 26.9°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX#AA2221
RGBrgb(170, 34, 33)
HSLhsl(0, 67%, 40%)
HSVhsv(0, 81%, 67%)
CMYKcmyk(0%, 80%, 80.6%, 33.3%)
CIE-LABlab(37.49, 53.50, 36.04)
CIE-LCHlch(37.49, 64.51, 33.96°)
OKLaboklab(48.18% 0.1535 0.0779)
OKLCHoklch(48.18% 0.172 26.9)
XYZxyz(17.4262, 9.8027, 2.4131)
Luminance0.0980 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AA2221 #21A9AA
analogous
#AA2165 #AA2221 #AA6721
triadic
#AA2221 #21AA22 #2221AA
tetradic
#AA2221 #65AA21 #21A9AA #6721AA
square
#AA2221 #65AA21 #21A9AA #6721AA
split-complementary
#AA2221 #21AA67 #2165AA
monochromatic
#430D0D #771817 #AA2221 #D73231 #E16564

Accessibility & contrast

On white

7.09
#AA2221 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.96
#AA2221 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #AA2221
7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AA2221#FFFFFF#000000##FFFFFF
##AA22211.007.092.967.09
#FFFFFF7.091.0021.001.00
#0000002.9621.001.0021.00
##FFFFFF7.091.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4D451F
Deuteranopia (green-blind)
#6F631B
Tritanopia (blue-blind)
#BC0024
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #aa2221;
/* rgb */ color: rgb(170, 34, 33);
/* oklch */ color: oklch(48.2% 0.172 26.9);
Tailwind
colors: {
  custom: {
    50: '#cd6b5d',
    500: '#aa2221',
    950: '#000000',
  },
}
SCSS
$custom: #aa2221;
$custom-light: #cd6b5d;
$custom-dark: #000000;
JSON
{
  "hex": "#aa2221",
  "rgb": {
    "r": 170,
    "g": 34,
    "b": 33
  },
  "hsl": {
    "h": 0.438,
    "s": 67.488,
    "l": 39.804
  },
  "oklch": {
    "l": 0.48176,
    "c": 0.17216,
    "h": 26.9
  },
  "luminance": 0.098
}

Semantic roles & 50–950 ramp

primary
#AA2221
secondary
#61C5C6
accent
#E9EA3D
background
#FDF6F5
surface
#FBECE9
border
#D4C7C5
text
#150704
muted
#837A79

Preview Lab

Preview with #AA2221

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

Preview Lab → · Contrast checker → · Palette generator →

#AA2221 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva