#AC2B28#AC2B28

#AC2B28 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.4% C 0.166 H 26.8°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#AC2B28
RGB	rgb(172, 43, 40)
HSL	hsl(1, 62%, 42%)
HSV	hsv(1, 77%, 67%)
CMYK	cmyk(0%, 75%, 76.7%, 32.5%)
CIE-LAB	lab(38.99, 51.48, 33.73)
CIE-LCH	lch(38.99, 61.55, 33.23°)
OKLab	oklab(49.39% 0.1484 0.0749)
OKLCH	oklch(49.39% 0.166 26.8)
XYZ	xyz(18.2623, 10.6545, 3.1020)
Luminance	0.1065 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2B28 #28A9AC

analogous

#AC2867 #AC2B28 #AC6D28

triadic

#AC2B28 #28AC2B #2B28AC

tetradic

#AC2B28 #67AC28 #28A9AC #6D28AC

square

#AC2B28 #67AC28 #28A9AC #6D28AC

split-complementary

#AC2B28 #28AC6D #2867AC

monochromatic

#491211 #7A1F1C #AC2B28 #D2423F #DE7371

Accessibility & contrast

On white

6.71

#AC2B28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#AC2B28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2B28

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2B28	#FFFFFF	#000000	##FFFFFF
##AC2B28	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524A26

Deuteranopia (green-blind)

#726623

Tritanopia (blue-blind)

#BE002C

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ac2b28;
/* rgb */ color: rgb(172, 43, 40);
/* oklch */ color: oklch(49.4% 0.166 26.8);

Tailwind

colors: {
  custom: {
    50: '#cd6f62',
    500: '#ac2b28',
    950: '#000000',
  },
}

SCSS

$custom: #ac2b28;
$custom-light: #cd6f62;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2b28",
  "rgb": {
    "r": 172,
    "g": 43,
    "b": 40
  },
  "hsl": {
    "h": 1.364,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.49392,
    "c": 0.1662,
    "h": 26.8
  },
  "luminance": 0.10652
}

Semantic roles & 50–950 ramp

primary

#AC2B28

secondary

#6BC3C5

accent

#E2E542

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150805

muted

#837B79

Preview Lab

Preview with #AC2B28

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

Preview Lab → · Contrast checker → · Palette generator →