#AC2C21#AC2C21

#AC2C21 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.4% C 0.166 H 29.3°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#AC2C21
RGB	rgb(172, 44, 33)
HSL	hsl(5, 68%, 40%)
HSV	hsv(5, 81%, 67%)
CMYK	cmyk(0%, 74.4%, 80.8%, 32.5%)
CIE-LAB	lab(39.04, 50.88, 37.73)
CIE-LCH	lch(39.04, 63.35, 36.56°)
OKLab	oklab(49.41% 0.145 0.0815)
OKLCH	oklch(49.41% 0.166 29.3)
XYZ	xyz(18.1906, 10.6847, 2.5431)
Luminance	0.1068 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2C21 #21A1AC

analogous

#AC215C #AC2C21 #AC7121

triadic

#AC2C21 #21AC2C #2C21AC

tetradic

#AC2C21 #5CAC21 #21A1AC #7121AC

square

#AC2C21 #5CAC21 #21A1AC #7121AC

split-complementary

#AC2C21 #21AC71 #215CAC

monochromatic

#45120D #791F17 #AC2C21 #D84032 #E27066

Accessibility & contrast

On white

6.70

#AC2C21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#AC2C21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2C21

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2C21	#FFFFFF	#000000	##FFFFFF
##AC2C21	1.00	6.70	3.14	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534A1E

Deuteranopia (green-blind)

#72661B

Tritanopia (blue-blind)

#BE002B

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ac2c21;
/* rgb */ color: rgb(172, 44, 33);
/* oklch */ color: oklch(49.4% 0.166 29.3);

Tailwind

colors: {
  custom: {
    50: '#ce6f5e',
    500: '#ac2c21',
    950: '#000000',
  },
}

SCSS

$custom: #ac2c21;
$custom-light: #ce6f5e;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2c21",
  "rgb": {
    "r": 172,
    "g": 44,
    "b": 33
  },
  "hsl": {
    "h": 4.748,
    "s": 67.805,
    "l": 40.196
  },
  "oklch": {
    "l": 0.49407,
    "c": 0.16635,
    "h": 29.3
  },
  "luminance": 0.10682
}

Semantic roles & 50–950 ramp

primary

#AC2C21

secondary

#62BFC7

accent

#DDEB3D

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AC2C21

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

Preview Lab → · Contrast checker → · Palette generator →