#AA2C21#AA2C21

#AA2C21 is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.0% C 0.164 H 29.3°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#AA2C21
RGB	rgb(170, 44, 33)
HSL	hsl(5, 67%, 40%)
HSV	hsv(5, 81%, 67%)
CMYK	cmyk(0%, 74.1%, 80.6%, 33.3%)
CIE-LAB	lab(38.66, 50.24, 37.22)
CIE-LCH	lch(38.66, 62.52, 36.53°)
OKLab	oklab(49.05% 0.1432 0.0805)
OKLCH	oklch(49.05% 0.164 29.3)
XYZ	xyz(17.7549, 10.4600, 2.5227)
Luminance	0.1046 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA2C21 #219FAA

analogous

#AA215A #AA2C21 #AA7121

triadic

#AA2C21 #21AA2C #2C21AA

tetradic

#AA2C21 #5AAA21 #219FAA #7121AA

square

#AA2C21 #5AAA21 #219FAA #7121AA

split-complementary

#AA2C21 #21AA71 #215AAA

monochromatic

#43110D #771F17 #AA2C21 #D73E31 #E16E64

Accessibility & contrast

On white

6.79

#AA2C21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#AA2C21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA2C21

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA2C21	#FFFFFF	#000000	##FFFFFF
##AA2C21	1.00	6.79	3.09	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#52491E

Deuteranopia (green-blind)

#71651B

Tritanopia (blue-blind)

#BC002B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #aa2c21;
/* rgb */ color: rgb(170, 44, 33);
/* oklch */ color: oklch(49.0% 0.164 29.3);

Tailwind

colors: {
  custom: {
    50: '#cc6f5d',
    500: '#aa2c21',
    950: '#000000',
  },
}

SCSS

$custom: #aa2c21;
$custom-light: #cc6f5d;
$custom-dark: #000000;

JSON

{
  "hex": "#aa2c21",
  "rgb": {
    "r": 170,
    "g": 44,
    "b": 33
  },
  "hsl": {
    "h": 4.818,
    "s": 67.488,
    "l": 39.804
  },
  "oklch": {
    "l": 0.49047,
    "c": 0.16433,
    "h": 29.3
  },
  "luminance": 0.10457
}

Semantic roles & 50–950 ramp

primary

#AA2C21

secondary

#61BEC6

accent

#DCEA3D

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AA2C21

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

Preview Lab → · Contrast checker → · Palette generator →