#AC3331#AC3331

#AC3331 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.3% C 0.158 H 25.7°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#AC3331
RGB	rgb(172, 51, 49)
HSL	hsl(1, 56%, 43%)
HSV	hsv(1, 72%, 67%)
CMYK	cmyk(0%, 70.3%, 71.5%, 32.5%)
CIE-LAB	lab(40.18, 48.91, 29.78)
CIE-LCH	lch(40.18, 57.26, 31.33°)
OKLab	oklab(50.32% 0.1422 0.0683)
OKLCH	oklch(50.32% 0.158 25.7)
XYZ	xyz(18.7535, 11.3628, 4.1109)
Luminance	0.1136 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3331 #31AAAC

analogous

#AC316C #AC3331 #AC7031

triadic

#AC3331 #31AC33 #3331AC

tetradic

#AC3331 #6CAC31 #31AAAC #7031AC

square

#AC3331 #6CAC31 #31AAAC #7031AC

split-complementary

#AC3331 #31AC70 #316CAC

monochromatic

#4D1716 #7C2523 #AC3331 #CC504E #DA7F7D

Accessibility & contrast

On white

6.42

#AC3331 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#AC3331 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3331

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3331	#FFFFFF	#000000	##FFFFFF
##AC3331	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554E30

Deuteranopia (green-blind)

#73682D

Tritanopia (blue-blind)

#BD0A34

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #ac3331;
/* rgb */ color: rgb(172, 51, 49);
/* oklch */ color: oklch(50.3% 0.158 25.7);

Tailwind

colors: {
  custom: {
    50: '#cc7369',
    500: '#ac3331',
    950: '#000000',
  },
}

SCSS

$custom: #ac3331;
$custom-light: #cc7369;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3331",
  "rgb": {
    "r": 172,
    "g": 51,
    "b": 49
  },
  "hsl": {
    "h": 0.976,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50319,
    "c": 0.15773,
    "h": 25.7
  },
  "luminance": 0.1136
}

Semantic roles & 50–950 ramp

primary

#AC3331

secondary

#76C2C3

accent

#DDDF49

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #AC3331

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

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