#AA2021#AA2021

#AA2021 is a mid, vivid red. Relative luminance 0.097; OKLCH L 48.0% C 0.174 H 26.5°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#AA2021
RGB	rgb(170, 32, 33)
HSL	hsl(360, 68%, 40%)
HSV	hsv(360, 81%, 67%)
CMYK	cmyk(0%, 81.2%, 80.6%, 33.3%)
CIE-LAB	lab(37.28, 54.08, 35.83)
CIE-LCH	lch(37.28, 64.87, 33.53°)
OKLab	oklab(48.03% 0.1553 0.0775)
OKLCH	oklch(48.03% 0.174 26.5)
XYZ	xyz(17.3707, 9.6917, 2.3946)
Luminance	0.0969 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA2021 #20AAA9

analogous

#AA2066 #AA2021 #AA6420

triadic

#AA2021 #21AA20 #2021AA

tetradic

#AA2021 #66AA20 #20AAA9 #6420AA

square

#AA2021 #66AA20 #20AAA9 #6420AA

split-complementary

#AA2021 #20AA64 #2066AA

monochromatic

#430D0D #761617 #AA2021 #D82F31 #E26364

Accessibility & contrast

On white

7.15

#AA2021 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#AA2021 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #AA2021

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA2021	#FFFFFF	#000000	##FFFFFF
##AA2021	1.00	7.15	2.94	7.15
#FFFFFF	7.15	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D451F

Deuteranopia (green-blind)

#6E621A

Tritanopia (blue-blind)

#BC0023

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #aa2021;
/* rgb */ color: rgb(170, 32, 33);
/* oklch */ color: oklch(48.0% 0.174 26.5);

Tailwind

colors: {
  custom: {
    50: '#cd6a5d',
    500: '#aa2021',
    950: '#000000',
  },
}

SCSS

$custom: #aa2021;
$custom-light: #cd6a5d;
$custom-dark: #000000;

JSON

{
  "hex": "#aa2021",
  "rgb": {
    "r": 170,
    "g": 32,
    "b": 33
  },
  "hsl": {
    "h": 359.565,
    "s": 68.317,
    "l": 39.608
  },
  "oklch": {
    "l": 0.48025,
    "c": 0.17356,
    "h": 26.5
  },
  "luminance": 0.09689
}

Semantic roles & 50–950 ramp

primary

#AA2021

secondary

#5FC7C6

accent

#EBEA3D

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #AA2021

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

Preview Lab → · Contrast checker → · Palette generator →