#AA2A21#AA2A21

#AA2A21 is a mid, vivid red. Relative luminance 0.103; OKLCH L 48.9% C 0.166 H 28.8°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#AA2A21
RGB	rgb(170, 42, 33)
HSL	hsl(4, 67%, 40%)
HSV	hsv(4, 81%, 67%)
CMYK	cmyk(0%, 75.3%, 80.6%, 33.3%)
CIE-LAB	lab(38.40, 50.94, 36.96)
CIE-LCH	lch(38.40, 62.94, 35.96°)
OKLab	oklab(48.86% 0.1455 0.08)
OKLCH	oklch(48.86% 0.166 28.8)
XYZ	xyz(17.6822, 10.3146, 2.4984)
Luminance	0.1031 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA2A21 #21A1AA

analogous

#AA215C #AA2A21 #AA6F21

triadic

#AA2A21 #21AA2A #2A21AA

tetradic

#AA2A21 #5CAA21 #21A1AA #6F21AA

square

#AA2A21 #5CAA21 #21A1AA #6F21AA

split-complementary

#AA2A21 #21AA6F #215CAA

monochromatic

#43110D #771D17 #AA2A21 #D73C31 #E16D64

Accessibility & contrast

On white

6.86

#AA2A21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#AA2A21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA2A21

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA2A21	#FFFFFF	#000000	##FFFFFF
##AA2A21	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51491E

Deuteranopia (green-blind)

#71651B

Tritanopia (blue-blind)

#BC0029

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #aa2a21;
/* rgb */ color: rgb(170, 42, 33);
/* oklch */ color: oklch(48.9% 0.166 28.8);

Tailwind

colors: {
  custom: {
    50: '#cc6e5d',
    500: '#aa2a21',
    950: '#000000',
  },
}

SCSS

$custom: #aa2a21;
$custom-light: #cc6e5d;
$custom-dark: #000000;

JSON

{
  "hex": "#aa2a21",
  "rgb": {
    "r": 170,
    "g": 42,
    "b": 33
  },
  "hsl": {
    "h": 3.942,
    "s": 67.488,
    "l": 39.804
  },
  "oklch": {
    "l": 0.48857,
    "c": 0.16599,
    "h": 28.8
  },
  "luminance": 0.10312
}

Semantic roles & 50–950 ramp

primary

#AA2A21

secondary

#61C0C6

accent

#DFEA3D

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AA2A21

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

Preview Lab → · Contrast checker → · Palette generator →