#AA221F#AA221F

#AA221F is a mid, vivid red. Relative luminance 0.098; OKLCH L 48.2% C 0.172 H 27.5°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#AA221F
RGB	rgb(170, 34, 31)
HSL	hsl(1, 69%, 39%)
HSV	hsv(1, 82%, 67%)
CMYK	cmyk(0%, 80%, 81.8%, 33.3%)
CIE-LAB	lab(37.47, 53.44, 37.14)
CIE-LCH	lch(37.47, 65.08, 34.80°)
OKLab	oklab(48.16% 0.1529 0.0796)
OKLCH	oklch(48.16% 0.172 27.5)
XYZ	xyz(17.3991, 9.7919, 2.2700)
Luminance	0.0979 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA221F #1FA7AA

analogous

#AA1F62 #AA221F #AA681F

triadic

#AA221F #1FAA22 #221FAA

tetradic

#AA221F #62AA1F #1FA7AA #681FAA

square

#AA221F #62AA1F #1FA7AA #681FAA

split-complementary

#AA221F #1FAA68 #1F62AA

monochromatic

#420D0C #761816 #AA221F #D9312D #E26461

Accessibility & contrast

On white

7.10

#AA221F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#AA221F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #AA221F

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA221F	#FFFFFF	#000000	##FFFFFF
##AA221F	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E451D

Deuteranopia (green-blind)

#6F6318

Tritanopia (blue-blind)

#BC0023

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #aa221f;
/* rgb */ color: rgb(170, 34, 31);
/* oklch */ color: oklch(48.2% 0.172 27.5);

Tailwind

colors: {
  custom: {
    50: '#cd6b5c',
    500: '#aa221f',
    950: '#000000',
  },
}

SCSS

$custom: #aa221f;
$custom-light: #cd6b5c;
$custom-dark: #000000;

JSON

{
  "hex": "#aa221f",
  "rgb": {
    "r": 170,
    "g": 34,
    "b": 31
  },
  "hsl": {
    "h": 1.295,
    "s": 69.154,
    "l": 39.412
  },
  "oklch": {
    "l": 0.48155,
    "c": 0.1724,
    "h": 27.5
  },
  "luminance": 0.09789
}

Semantic roles & 50–950 ramp

primary

#AA221F

secondary

#5EC5C7

accent

#E8EC3C

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #AA221F

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

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