#AC2A28#AC2A28

#AC2A28 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.3% C 0.167 H 26.5°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#AC2A28
RGB	rgb(172, 42, 40)
HSL	hsl(1, 62%, 42%)
HSV	hsv(1, 77%, 67%)
CMYK	cmyk(0%, 75.6%, 76.7%, 32.5%)
CIE-LAB	lab(38.87, 51.83, 33.60)
CIE-LCH	lch(38.87, 61.77, 32.95°)
OKLab	oklab(49.3% 0.1495 0.0746)
OKLCH	oklch(49.3% 0.167 26.5)
XYZ	xyz(18.2264, 10.5826, 3.0900)
Luminance	0.1058 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2A28 #28AAAC

analogous

#AC2868 #AC2A28 #AC6C28

triadic

#AC2A28 #28AC2A #2A28AC

tetradic

#AC2A28 #68AC28 #28AAAC #6C28AC

square

#AC2A28 #68AC28 #28AAAC #6C28AC

split-complementary

#AC2A28 #28AC6C #2868AC

monochromatic

#491211 #7A1E1C #AC2A28 #D2413F #DE7271

Accessibility & contrast

On white

6.74

#AC2A28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#AC2A28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2A28

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2A28	#FFFFFF	#000000	##FFFFFF
##AC2A28	1.00	6.74	3.12	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514926

Deuteranopia (green-blind)

#716623

Tritanopia (blue-blind)

#BE002B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #ac2a28;
/* rgb */ color: rgb(172, 42, 40);
/* oklch */ color: oklch(49.3% 0.167 26.5);

Tailwind

colors: {
  custom: {
    50: '#cd6e62',
    500: '#ac2a28',
    950: '#000000',
  },
}

SCSS

$custom: #ac2a28;
$custom-light: #cd6e62;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2a28",
  "rgb": {
    "r": 172,
    "g": 42,
    "b": 40
  },
  "hsl": {
    "h": 0.909,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.493,
    "c": 0.16704,
    "h": 26.5
  },
  "luminance": 0.1058
}

Semantic roles & 50–950 ramp

primary

#AC2A28

secondary

#6BC3C5

accent

#E3E542

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150805

muted

#837B79

Preview Lab

Preview with #AC2A28

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

Preview Lab → · Contrast checker → · Palette generator →