#AA221B#AA221B

#AA221B is a mid, vivid red. Relative luminance 0.098; OKLCH L 48.1% C 0.173 H 28.6°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#AA221B
RGB	rgb(170, 34, 27)
HSL	hsl(3, 73%, 39%)
HSV	hsv(3, 84%, 67%)
CMYK	cmyk(0%, 80%, 84.1%, 33.3%)
CIE-LAB	lab(37.43, 53.33, 39.27)
CIE-LCH	lch(37.43, 66.23, 36.37°)
OKLab	oklab(48.12% 0.1518 0.0828)
OKLCH	oklch(48.12% 0.173 28.6)
XYZ	xyz(17.3496, 9.7721, 2.0094)
Luminance	0.0977 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA221B #1BA3AA

analogous

#AA1B5B #AA221B #AA691B

triadic

#AA221B #1BAA22 #221BAA

tetradic

#AA221B #5BAA1B #1BA3AA #691BAA

square

#AA221B #5BAA1B #1BA3AA #691BAA

split-complementary

#AA221B #1BAA69 #1B5BAA

monochromatic

#400D0A #751713 #AA221B #DC2F26 #E5615B

Accessibility & contrast

On white

7.11

#AA221B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#AA221B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #AA221B

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA221B	#FFFFFF	#000000	##FFFFFF
##AA221B	1.00	7.11	2.95	7.11
#FFFFFF	7.11	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4518

Deuteranopia (green-blind)

#6F6313

Tritanopia (blue-blind)

#BC0022

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #aa221b;
/* rgb */ color: rgb(170, 34, 27);
/* oklch */ color: oklch(48.1% 0.173 28.6);

Tailwind

colors: {
  custom: {
    50: '#cd6a59',
    500: '#aa221b',
    950: '#000000',
  },
}

SCSS

$custom: #aa221b;
$custom-light: #cd6a59;
$custom-dark: #000000;

JSON

{
  "hex": "#aa221b",
  "rgb": {
    "r": 170,
    "g": 34,
    "b": 27
  },
  "hsl": {
    "h": 2.937,
    "s": 72.589,
    "l": 38.627
  },
  "oklch": {
    "l": 0.48117,
    "c": 0.17287,
    "h": 28.6
  },
  "luminance": 0.09769
}

Semantic roles & 50–950 ramp

primary

#AA221B

secondary

#58C3C9

accent

#E6EF39

background

#FEF6F5

surface

#FCECE9

border

#D5C7C5

text

#160703

muted

#847A78

Preview Lab

Preview with #AA221B

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

Preview Lab → · Contrast checker → · Palette generator →