#AC2229#AC2229

#AC2229 is a mid, vivid red. Relative luminance 0.101; OKLCH L 48.6% C 0.173 H 24.4°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#AC2229
RGB	rgb(172, 34, 41)
HSL	hsl(357, 67%, 40%)
HSV	hsv(357, 80%, 67%)
CMYK	cmyk(0%, 80.2%, 76.2%, 32.5%)
CIE-LAB	lab(37.98, 54.39, 32.03)
CIE-LCH	lch(37.98, 63.12, 30.50°)
OKLab	oklab(48.64% 0.1578 0.0714)
OKLCH	oklch(48.64% 0.173 24.4)
XYZ	xyz(17.9877, 10.0777, 3.0955)
Luminance	0.1008 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2229 #22ACA5

analogous

#AC226E #AC2229 #AC6022

triadic

#AC2229 #29AC22 #2229AC

tetradic

#AC2229 #6EAC22 #22ACA5 #6022AC

square

#AC2229 #6EAC22 #22ACA5 #6022AC

split-complementary

#AC2229 #22AC60 #226EAC

monochromatic

#460E11 #79181D #AC2229 #D7343D #E1676E

Accessibility & contrast

On white

6.97

#AC2229 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#AC2229 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2229

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2229	#FFFFFF	#000000	##FFFFFF
##AC2229	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4628

Deuteranopia (green-blind)

#6F6424

Tritanopia (blue-blind)

#BE0026

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #ac2229;
/* rgb */ color: rgb(172, 34, 41);
/* oklch */ color: oklch(48.6% 0.173 24.4);

Tailwind

colors: {
  custom: {
    50: '#ce6b63',
    500: '#ac2229',
    950: '#000000',
  },
}

SCSS

$custom: #ac2229;
$custom-light: #ce6b63;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2229",
  "rgb": {
    "r": 172,
    "g": 34,
    "b": 41
  },
  "hsl": {
    "h": 356.957,
    "s": 66.99,
    "l": 40.392
  },
  "oklch": {
    "l": 0.48644,
    "c": 0.1732,
    "h": 24.4
  },
  "luminance": 0.10075
}

Semantic roles & 50–950 ramp

primary

#AC2229

secondary

#63C7C2

accent

#EAE13E

background

#FDF6F5

surface

#FBECEA

border

#D4C7C6

text

#150705

muted

#837A79

Preview Lab

Preview with #AC2229

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

Preview Lab → · Contrast checker → · Palette generator →