#AC2B31#AC2B31

#AC2B31 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.5% C 0.165 H 23.4°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#AC2B31
RGB	rgb(172, 43, 49)
HSL	hsl(357, 60%, 42%)
HSV	hsv(357, 75%, 67%)
CMYK	cmyk(0%, 75%, 71.5%, 32.5%)
CIE-LAB	lab(39.11, 51.88, 28.51)
CIE-LCH	lch(39.11, 59.19, 28.79°)
OKLab	oklab(49.52% 0.1516 0.0655)
OKLCH	oklch(49.52% 0.165 23.4)
XYZ	xyz(18.4336, 10.7230, 4.0043)
Luminance	0.1072 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2B31 #2BACA6

analogous

#AC2B72 #AC2B31 #AC652B

triadic

#AC2B31 #31AC2B #2B31AC

tetradic

#AC2B31 #72AC2B #2BACA6 #652BAC

square

#AC2B31 #72AC2B #2BACA6 #652BAC

split-complementary

#AC2B31 #2BAC65 #2B72AC

monochromatic

#4A1315 #7B1F23 #AC2B31 #D0444A #DC757A

Accessibility & contrast

On white

6.68

#AC2B31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#AC2B31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2B31

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2B31	#FFFFFF	#000000	##FFFFFF
##AC2B31	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514A30

Deuteranopia (green-blind)

#71662D

Tritanopia (blue-blind)

#BD002F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ac2b31;
/* rgb */ color: rgb(172, 43, 49);
/* oklch */ color: oklch(49.5% 0.165 23.4);

Tailwind

colors: {
  custom: {
    50: '#cd6f69',
    500: '#ac2b31',
    950: '#000000',
  },
}

SCSS

$custom: #ac2b31;
$custom-light: #cd6f69;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2b31",
  "rgb": {
    "r": 172,
    "g": 43,
    "b": 49
  },
  "hsl": {
    "h": 357.209,
    "s": 60,
    "l": 42.157
  },
  "oklch": {
    "l": 0.49517,
    "c": 0.16514,
    "h": 23.4
  },
  "luminance": 0.1072
}

Semantic roles & 50–950 ramp

primary

#AC2B31

secondary

#6FC4C0

accent

#E3DC45

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #AC2B31

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

Preview Lab → · Contrast checker → · Palette generator →