#AC2223#AC2223

#AC2223 is a mid, vivid red. Relative luminance 0.100; OKLCH L 48.6% C 0.174 H 26.4°. Best body text is #FFFFFF at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#AC2223
RGB	rgb(172, 34, 35)
HSL	hsl(360, 67%, 40%)
HSV	hsv(360, 80%, 67%)
CMYK	cmyk(0%, 80.2%, 79.7%, 32.5%)
CIE-LAB	lab(37.91, 54.17, 35.47)
CIE-LCH	lch(37.91, 64.75, 33.21°)
OKLab	oklab(48.57% 0.1558 0.0772)
OKLCH	oklch(48.57% 0.174 26.4)
XYZ	xyz(17.8908, 10.0389, 2.5855)
Luminance	0.1004 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2223 #22ACAB

analogous

#AC2268 #AC2223 #AC6622

triadic

#AC2223 #23AC22 #2223AC

tetradic

#AC2223 #68AC22 #22ACAB #6622AC

square

#AC2223 #68AC22 #22ACAB #6622AC

split-complementary

#AC2223 #22AC66 #2268AC

monochromatic

#460E0E #791819 #AC2223 #D73435 #E16768

Accessibility & contrast

On white

6.98

#AC2223 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#AC2223 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2223

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2223	#FFFFFF	#000000	##FFFFFF
##AC2223	1.00	6.98	3.01	6.98
#FFFFFF	6.98	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4621

Deuteranopia (green-blind)

#70641D

Tritanopia (blue-blind)

#BE0025

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #ac2223;
/* rgb */ color: rgb(172, 34, 35);
/* oklch */ color: oklch(48.6% 0.174 26.4);

Tailwind

colors: {
  custom: {
    50: '#ce6b5f',
    500: '#ac2223',
    950: '#000000',
  },
}

SCSS

$custom: #ac2223;
$custom-light: #ce6b5f;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2223",
  "rgb": {
    "r": 172,
    "g": 34,
    "b": 35
  },
  "hsl": {
    "h": 359.565,
    "s": 66.99,
    "l": 40.392
  },
  "oklch": {
    "l": 0.48571,
    "c": 0.17385,
    "h": 26.4
  },
  "luminance": 0.10036
}

Semantic roles & 50–950 ramp

primary

#AC2223

secondary

#63C7C6

accent

#EAE93E

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#160704

muted

#847A79

Preview Lab

Preview with #AC2223

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

Preview Lab → · Contrast checker → · Palette generator →