#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
RGB	rgb(170, 34, 33)
HSL	hsl(0, 67%, 40%)
HSV	hsv(0, 81%, 67%)
CMYK	cmyk(0%, 80%, 80.6%, 33.3%)
CIE-LAB	lab(37.49, 53.50, 36.04)
CIE-LCH	lch(37.49, 64.51, 33.96°)
OKLab	oklab(48.18% 0.1535 0.0779)
OKLCH	oklch(48.18% 0.172 26.9)
XYZ	xyz(17.4262, 9.8027, 2.4131)
Luminance	0.0980 (WCAG relative)
Temperature	warm
Family	red

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
##AA2221	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

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 →