#AC2222#AC2222

#AC2222 is a mid, vivid red. Relative luminance 0.100; OKLCH L 48.6% C 0.174 H 26.7°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#AC2222
RGB	rgb(172, 34, 34)
HSL	hsl(0, 67%, 40%)
HSV	hsv(0, 80%, 67%)
CMYK	cmyk(0%, 80.2%, 80.2%, 32.5%)
CIE-LAB	lab(37.90, 54.14, 36.03)
CIE-LCH	lch(37.90, 65.03, 33.64°)
OKLab	oklab(48.56% 0.1555 0.0781)
OKLCH	oklch(48.56% 0.174 26.7)
XYZ	xyz(17.8762, 10.0331, 2.5084)
Luminance	0.1003 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2222 #22ACAC

analogous

#AC2267 #AC2222 #AC6722

triadic

#AC2222 #22AC22 #2222AC

tetradic

#AC2222 #67AC22 #22ACAC #6722AC

square

#AC2222 #67AC22 #22ACAC #6722AC

split-complementary

#AC2222 #22AC67 #2267AC

monochromatic

#460E0E #791818 #AC2222 #D73434 #E16767

Accessibility & contrast

On white

6.99

#AC2222 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#AC2222 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2222

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2222	#FFFFFF	#000000	##FFFFFF
##AC2222	1.00	6.99	3.01	6.99
#FFFFFF	6.99	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4620

Deuteranopia (green-blind)

#70641C

Tritanopia (blue-blind)

#BE0024

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #ac2222;
/* rgb */ color: rgb(172, 34, 34);
/* oklch */ color: oklch(48.6% 0.174 26.7);

Tailwind

colors: {
  custom: {
    50: '#ce6b5e',
    500: '#ac2222',
    950: '#000000',
  },
}

SCSS

$custom: #ac2222;
$custom-light: #ce6b5e;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2222",
  "rgb": {
    "r": 172,
    "g": 34,
    "b": 34
  },
  "hsl": {
    "h": 0,
    "s": 66.99,
    "l": 40.392
  },
  "oklch": {
    "l": 0.48559,
    "c": 0.17397,
    "h": 26.7
  },
  "luminance": 0.1003
}

Semantic roles & 50–950 ramp

primary

#AC2222

secondary

#63C7C7

accent

#EAEA3E

background

#FEF6F5

surface

#FCECE9

border

#D5C7C5

text

#160704

muted

#847A79

Preview Lab

Preview with #AC2222

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

Preview Lab → · Contrast checker → · Palette generator →