#AA2521#AA2521

#AA2521 is a mid, vivid red. Relative luminance 0.100; OKLCH L 48.4% C 0.170 H 27.6°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX#AA2521
RGBrgb(170, 37, 33)
HSLhsl(2, 67%, 40%)
HSVhsv(2, 81%, 67%)
CMYKcmyk(0%, 78.2%, 80.6%, 33.3%)
CIE-LABlab(37.81, 52.60, 36.37)
CIE-LCHlch(37.81, 63.94, 34.66°)
OKLaboklab(48.42% 0.1506 0.0787)
OKLCHoklch(48.42% 0.17 27.6)
XYZxyz(17.5158, 9.9818, 2.4430)
Luminance0.0998 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AA2521 #21A6AA
analogous
#AA2161 #AA2521 #AA6A21
triadic
#AA2521 #21AA25 #2521AA
tetradic
#AA2521 #61AA21 #21A6AA #6A21AA
square
#AA2521 #61AA21 #21A6AA #6A21AA
split-complementary
#AA2521 #21AA6A #2161AA
monochromatic
#430F0D #771A17 #AA2521 #D73631 #E16864

Accessibility & contrast

On white

7.01
#AA2521 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

3.00
#AA2521 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA2521
7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AA2521#FFFFFF#000000##FFFFFF
##AA25211.007.013.007.01
#FFFFFF7.011.0021.001.00
#0000003.0021.001.0021.00
##FFFFFF7.011.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4F461F
Deuteranopia (green-blind)
#6F631B
Tritanopia (blue-blind)
#BC0026
Achromatopsia (no color)
#595959

Design tokens & code

CSS
--color: #aa2521;
/* rgb */ color: rgb(170, 37, 33);
/* oklch */ color: oklch(48.4% 0.170 27.6);
Tailwind
colors: {
  custom: {
    50: '#cd6c5d',
    500: '#aa2521',
    950: '#000000',
  },
}
SCSS
$custom: #aa2521;
$custom-light: #cd6c5d;
$custom-dark: #000000;
JSON
{
  "hex": "#aa2521",
  "rgb": {
    "r": 170,
    "g": 37,
    "b": 33
  },
  "hsl": {
    "h": 1.752,
    "s": 67.488,
    "l": 39.804
  },
  "oklch": {
    "l": 0.48416,
    "c": 0.16994,
    "h": 27.6
  },
  "luminance": 0.09979
}

Semantic roles & 50–950 ramp

primary
#AA2521
secondary
#61C3C6
accent
#E5EA3D
background
#FDF6F5
surface
#FBECE9
border
#D4C7C5
text
#150704
muted
#837A79

Preview Lab

Preview with #AA2521

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

Preview Lab → · Contrast checker → · Palette generator →

#AA2521 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva