#AA2B21#AA2B21

#AA2B21 is a mid, vivid red. Relative luminance 0.104; OKLCH L 49.0% C 0.165 H 29.1°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#AA2B21
RGB	rgb(170, 43, 33)
HSL	hsl(4, 67%, 40%)
HSV	hsv(4, 81%, 67%)
CMYK	cmyk(0%, 74.7%, 80.6%, 33.3%)
CIE-LAB	lab(38.53, 50.59, 37.09)
CIE-LCH	lch(38.53, 62.73, 36.24°)
OKLab	oklab(48.95% 0.1444 0.0802)
OKLCH	oklch(48.95% 0.165 29.1)
XYZ	xyz(17.7181, 10.3864, 2.5104)
Luminance	0.1038 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA2B21 #21A0AA

analogous

#AA215B #AA2B21 #AA7021

triadic

#AA2B21 #21AA2B #2B21AA

tetradic

#AA2B21 #5BAA21 #21A0AA #7021AA

square

#AA2B21 #5BAA21 #21A0AA #7021AA

split-complementary

#AA2B21 #21AA70 #215BAA

monochromatic

#43110D #771E17 #AA2B21 #D73D31 #E16E64

Accessibility & contrast

On white

6.83

#AA2B21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#AA2B21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA2B21

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA2B21	#FFFFFF	#000000	##FFFFFF
##AA2B21	1.00	6.83	3.08	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#52491E

Deuteranopia (green-blind)

#71651B

Tritanopia (blue-blind)

#BC002A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #aa2b21;
/* rgb */ color: rgb(170, 43, 33);
/* oklch */ color: oklch(49.0% 0.165 29.1);

Tailwind

colors: {
  custom: {
    50: '#cc6e5d',
    500: '#aa2b21',
    950: '#000000',
  },
}

SCSS

$custom: #aa2b21;
$custom-light: #cc6e5d;
$custom-dark: #000000;

JSON

{
  "hex": "#aa2b21",
  "rgb": {
    "r": 170,
    "g": 43,
    "b": 33
  },
  "hsl": {
    "h": 4.38,
    "s": 67.488,
    "l": 39.804
  },
  "oklch": {
    "l": 0.48951,
    "c": 0.16516,
    "h": 29.1
  },
  "luminance": 0.10384
}

Semantic roles & 50–950 ramp

primary

#AA2B21

secondary

#61BFC6

accent

#DEEA3D

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AA2B21

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

Preview Lab → · Contrast checker → · Palette generator →