#AA221C#AA221C

#AA221C is a mid, vivid red. Relative luminance 0.098; OKLCH L 48.1% C 0.173 H 28.4°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).

Color values

HEX#AA221C
RGBrgb(170, 34, 28)
HSLhsl(3, 72%, 39%)
HSVhsv(3, 84%, 67%)
CMYKcmyk(0%, 80%, 83.5%, 33.3%)
CIE-LABlab(37.44, 53.35, 38.75)
CIE-LCHlch(37.44, 65.94, 35.99°)
OKLaboklab(48.13% 0.152 0.082)
OKLCHoklch(48.13% 0.173 28.4)
XYZxyz(17.3613, 9.7768, 2.0714)
Luminance0.0977 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AA221C #1CA4AA
analogous
#AA1C5D #AA221C #AA691C
triadic
#AA221C #1CAA22 #221CAA
tetradic
#AA221C #5DAA1C #1CA4AA #691CAA
square
#AA221C #5DAA1C #1CA4AA #691CAA
split-complementary
#AA221C #1CAA69 #1C5DAA
monochromatic
#410D0B #751713 #AA221C #DC2F28 #E4625C

Accessibility & contrast

On white

7.11
#AA221C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.95
#AA221C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #AA221C
7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AA221C#FFFFFF#000000##FFFFFF
##AA221C1.007.112.957.11
#FFFFFF7.111.0021.001.00
#0000002.9521.001.0021.00
##FFFFFF7.111.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4E4519
Deuteranopia (green-blind)
#6F6314
Tritanopia (blue-blind)
#BC0023
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #aa221c;
/* rgb */ color: rgb(170, 34, 28);
/* oklch */ color: oklch(48.1% 0.173 28.4);
Tailwind
colors: {
  custom: {
    50: '#cd6a5a',
    500: '#aa221c',
    950: '#000000',
  },
}
SCSS
$custom: #aa221c;
$custom-light: #cd6a5a;
$custom-dark: #000000;
JSON
{
  "hex": "#aa221c",
  "rgb": {
    "r": 170,
    "g": 34,
    "b": 28
  },
  "hsl": {
    "h": 2.535,
    "s": 71.717,
    "l": 38.824
  },
  "oklch": {
    "l": 0.48126,
    "c": 0.17275,
    "h": 28.4
  },
  "luminance": 0.09774
}

Semantic roles & 50–950 ramp

primary
#AA221C
secondary
#5AC4C8
accent
#E7EE39
background
#FDF6F5
surface
#FBECE9
border
#D4C7C5
text
#160704
muted
#847A79

Preview Lab

Preview with #AA221C

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

Preview Lab → · Contrast checker → · Palette generator →

#AA221C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva