#AC222B#AC222B

#AC222B is a mid, vivid red. Relative luminance 0.101; OKLCH L 48.7% C 0.173 H 23.6°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#AC222B
RGB	rgb(172, 34, 43)
HSL	hsl(356, 67%, 40%)
HSV	hsv(356, 80%, 67%)
CMYK	cmyk(0%, 80.2%, 75%, 32.5%)
CIE-LAB	lab(38.01, 54.47, 30.86)
CIE-LCH	lch(38.01, 62.60, 29.53°)
OKLab	oklab(48.67% 0.1585 0.0694)
OKLCH	oklch(48.67% 0.173 23.6)
XYZ	xyz(18.0235, 10.0920, 3.2840)
Luminance	0.1009 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC222B #22ACA3

analogous

#AC2270 #AC222B #AC5E22

triadic

#AC222B #2BAC22 #222BAC

tetradic

#AC222B #70AC22 #22ACA3 #5E22AC

square

#AC222B #70AC22 #22ACA3 #5E22AC

split-complementary

#AC222B #22AC5E #2270AC

monochromatic

#460E11 #79181E #AC222B #D7343F #E1676F

Accessibility & contrast

On white

6.96

#AC222B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#AC222B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC222B

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC222B	#FFFFFF	#000000	##FFFFFF
##AC222B	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D472A

Deuteranopia (green-blind)

#6F6426

Tritanopia (blue-blind)

#BE0027

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #ac222b;
/* rgb */ color: rgb(172, 34, 43);
/* oklch */ color: oklch(48.7% 0.173 23.6);

Tailwind

colors: {
  custom: {
    50: '#ce6b64',
    500: '#ac222b',
    950: '#000000',
  },
}

SCSS

$custom: #ac222b;
$custom-light: #ce6b64;
$custom-dark: #000000;

JSON

{
  "hex": "#ac222b",
  "rgb": {
    "r": 172,
    "g": 34,
    "b": 43
  },
  "hsl": {
    "h": 356.087,
    "s": 66.99,
    "l": 40.392
  },
  "oklch": {
    "l": 0.48671,
    "c": 0.17301,
    "h": 23.6
  },
  "luminance": 0.10089
}

Semantic roles & 50–950 ramp

primary

#AC222B

secondary

#63C7C0

accent

#EADF3E

background

#FDF6F6

surface

#FBECEB

border

#D4C7C6

text

#150705

muted

#837A7A

Preview Lab

Preview with #AC222B

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

Preview Lab → · Contrast checker → · Palette generator →