#AC2A22#AC2A22

#AC2A22 is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.2% C 0.168 H 28.5°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#AC2A22
RGB	rgb(172, 42, 34)
HSL	hsl(3, 67%, 40%)
HSV	hsv(3, 80%, 67%)
CMYK	cmyk(0%, 75.6%, 80.2%, 32.5%)
CIE-LAB	lab(38.80, 51.61, 36.94)
CIE-LCH	lch(38.80, 63.47, 35.59°)
OKLab	oklab(49.23% 0.1475 0.0801)
OKLCH	oklch(49.23% 0.168 28.5)
XYZ	xyz(18.1321, 10.5449, 2.5937)
Luminance	0.1054 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2A22 #22A4AC

analogous

#AC225F #AC2A22 #AC6F22

triadic

#AC2A22 #22AC2A #2A22AC

tetradic

#AC2A22 #5FAC22 #22A4AC #6F22AC

square

#AC2A22 #5FAC22 #22A4AC #6F22AC

split-complementary

#AC2A22 #22AC6F #225FAC

monochromatic

#46110E #791E18 #AC2A22 #D73E34 #E16E67

Accessibility & contrast

On white

6.76

#AC2A22 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#AC2A22 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2A22

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2A22	#FFFFFF	#000000	##FFFFFF
##AC2A22	1.00	6.76	3.11	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524920

Deuteranopia (green-blind)

#72661C

Tritanopia (blue-blind)

#BE002A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #ac2a22;
/* rgb */ color: rgb(172, 42, 34);
/* oklch */ color: oklch(49.2% 0.168 28.5);

Tailwind

colors: {
  custom: {
    50: '#ce6e5e',
    500: '#ac2a22',
    950: '#000000',
  },
}

SCSS

$custom: #ac2a22;
$custom-light: #ce6e5e;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2a22",
  "rgb": {
    "r": 172,
    "g": 42,
    "b": 34
  },
  "hsl": {
    "h": 3.478,
    "s": 66.99,
    "l": 40.392
  },
  "oklch": {
    "l": 0.4923,
    "c": 0.16786,
    "h": 28.5
  },
  "luminance": 0.10542
}

Semantic roles & 50–950 ramp

primary

#AC2A22

secondary

#63C1C7

accent

#E0EA3E

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AC2A22

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

Preview Lab → · Contrast checker → · Palette generator →