#AC331E#AC331E

#AC331E is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.1% C 0.161 H 32.3°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#AC331E
RGB	rgb(172, 51, 30)
HSL	hsl(9, 70%, 40%)
HSV	hsv(9, 83%, 67%)
CMYK	cmyk(0%, 70.3%, 82.6%, 32.5%)
CIE-LAB	lab(39.97, 48.15, 40.23)
CIE-LCH	lch(39.97, 62.75, 39.87°)
OKLab	oklab(50.09% 0.136 0.0859)
OKLCH	oklch(50.09% 0.161 32.3)
XYZ	xyz(18.4336, 11.2349, 2.4260)
Luminance	0.1123 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC331E #1E97AC

analogous

#AC1E50 #AC331E #AC7A1E

triadic

#AC331E #1EAC33 #331EAC

tetradic

#AC331E #50AC1E #1E97AC #7A1EAC

square

#AC331E #50AC1E #1E97AC #7A1EAC

split-complementary

#AC331E #1EAC7A #1E50AC

monochromatic

#44140C #782415 #AC331E #DA472D #E37461

Accessibility & contrast

On white

6.47

#AC331E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#AC331E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC331E

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC331E	#FFFFFF	#000000	##FFFFFF
##AC331E	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574D1A

Deuteranopia (green-blind)

#756818

Tritanopia (blue-blind)

#BE012F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #ac331e;
/* rgb */ color: rgb(172, 51, 30);
/* oklch */ color: oklch(50.1% 0.161 32.3);

Tailwind

colors: {
  custom: {
    50: '#ce725c',
    500: '#ac331e',
    950: '#000000',
  },
}

SCSS

$custom: #ac331e;
$custom-light: #ce725c;
$custom-dark: #000000;

JSON

{
  "hex": "#ac331e",
  "rgb": {
    "r": 172,
    "g": 51,
    "b": 30
  },
  "hsl": {
    "h": 8.873,
    "s": 70.297,
    "l": 39.608
  },
  "oklch": {
    "l": 0.50093,
    "c": 0.16082,
    "h": 32.3
  },
  "luminance": 0.11232
}

Semantic roles & 50–950 ramp

primary

#AC331E

secondary

#5EB8C8

accent

#D3ED3B

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AC331E

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

Preview Lab → · Contrast checker → · Palette generator →