#AC2B22#AC2B22

#AC2B22 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.3% C 0.167 H 28.8°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#AC2B22
RGB	rgb(172, 43, 34)
HSL	hsl(4, 67%, 40%)
HSV	hsv(4, 80%, 67%)
CMYK	cmyk(0%, 75%, 80.2%, 32.5%)
CIE-LAB	lab(38.93, 51.27, 37.07)
CIE-LCH	lch(38.93, 63.26, 35.87°)
OKLab	oklab(49.32% 0.1464 0.0803)
OKLCH	oklch(49.32% 0.167 28.8)
XYZ	xyz(18.1680, 10.6168, 2.6057)
Luminance	0.1061 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2B22 #22A3AC

analogous

#AC225E #AC2B22 #AC7022

triadic

#AC2B22 #22AC2B #2B22AC

tetradic

#AC2B22 #5EAC22 #22A3AC #7022AC

square

#AC2B22 #5EAC22 #22A3AC #7022AC

split-complementary

#AC2B22 #22AC70 #225EAC

monochromatic

#46110E #791E18 #AC2B22 #D73F34 #E16F67

Accessibility & contrast

On white

6.72

#AC2B22 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#AC2B22 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2B22

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2B22	#FFFFFF	#000000	##FFFFFF
##AC2B22	1.00	6.72	3.12	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524A1F

Deuteranopia (green-blind)

#72661C

Tritanopia (blue-blind)

#BE002A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ac2b22;
/* rgb */ color: rgb(172, 43, 34);
/* oklch */ color: oklch(49.3% 0.167 28.8);

Tailwind

colors: {
  custom: {
    50: '#ce6f5e',
    500: '#ac2b22',
    950: '#000000',
  },
}

SCSS

$custom: #ac2b22;
$custom-light: #ce6f5e;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2b22",
  "rgb": {
    "r": 172,
    "g": 43,
    "b": 34
  },
  "hsl": {
    "h": 3.913,
    "s": 66.99,
    "l": 40.392
  },
  "oklch": {
    "l": 0.49323,
    "c": 0.16703,
    "h": 28.8
  },
  "luminance": 0.10614
}

Semantic roles & 50–950 ramp

primary

#AC2B22

secondary

#63C0C7

accent

#DFEA3E

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AC2B22

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

Preview Lab → · Contrast checker → · Palette generator →