#AC2A31#AC2A31

#AC2A31 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.4% C 0.166 H 23.1°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#AC2A31
RGB	rgb(172, 42, 49)
HSL	hsl(357, 61%, 42%)
HSV	hsv(357, 76%, 67%)
CMYK	cmyk(0%, 75.6%, 71.5%, 32.5%)
CIE-LAB	lab(38.99, 52.22, 28.36)
CIE-LCH	lch(38.99, 59.42, 28.51°)
OKLab	oklab(49.43% 0.1527 0.0652)
OKLCH	oklch(49.43% 0.166 23.1)
XYZ	xyz(18.3977, 10.6512, 3.9923)
Luminance	0.1065 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2A31 #2AACA5

analogous

#AC2A72 #AC2A31 #AC642A

triadic

#AC2A31 #31AC2A #2A31AC

tetradic

#AC2A31 #72AC2A #2AACA5 #642AAC

square

#AC2A31 #72AC2A #2AACA5 #642AAC

split-complementary

#AC2A31 #2AAC64 #2A72AC

monochromatic

#4A1215 #7B1E23 #AC2A31 #D1424A #DD7379

Accessibility & contrast

On white

6.71

#AC2A31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#AC2A31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2A31

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2A31	#FFFFFF	#000000	##FFFFFF
##AC2A31	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)

#504A30

Deuteranopia (green-blind)

#71662D

Tritanopia (blue-blind)

#BD002E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ac2a31;
/* rgb */ color: rgb(172, 42, 49);
/* oklch */ color: oklch(49.4% 0.166 23.1);

Tailwind

colors: {
  custom: {
    50: '#cd6e69',
    500: '#ac2a31',
    950: '#000000',
  },
}

SCSS

$custom: #ac2a31;
$custom-light: #cd6e69;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2a31",
  "rgb": {
    "r": 172,
    "g": 42,
    "b": 49
  },
  "hsl": {
    "h": 356.769,
    "s": 60.748,
    "l": 41.961
  },
  "oklch": {
    "l": 0.49425,
    "c": 0.16602,
    "h": 23.1
  },
  "luminance": 0.10648
}

Semantic roles & 50–950 ramp

primary

#AC2A31

secondary

#6DC4C0

accent

#E4DB44

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #AC2A31

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

Preview Lab → · Contrast checker → · Palette generator →