#AC3136#AC3136

#AC3136 is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.2% C 0.159 H 22.9°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#AC3136
RGB	rgb(172, 49, 54)
HSL	hsl(358, 56%, 43%)
HSV	hsv(358, 72%, 67%)
CMYK	cmyk(0%, 71.5%, 68.6%, 32.5%)
CIE-LAB	lab(39.98, 49.94, 26.51)
CIE-LCH	lch(39.98, 56.54, 27.96°)
OKLab	oklab(50.19% 0.1465 0.0619)
OKLCH	oklch(50.19% 0.159 22.9)
XYZ	xyz(18.7794, 11.2364, 4.6693)
Luminance	0.1123 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3136 #31ACA7

analogous

#AC3173 #AC3136 #AC6931

triadic

#AC3136 #36AC31 #3136AC

tetradic

#AC3136 #73AC31 #31ACA7 #6931AC

square

#AC3136 #73AC31 #31ACA7 #6931AC

split-complementary

#AC3136 #31AC69 #3173AC

monochromatic

#4D1618 #7C2327 #AC3136 #CC4E53 #DA7D81

Accessibility & contrast

On white

6.47

#AC3136 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#AC3136 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3136

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3136	#FFFFFF	#000000	##FFFFFF
##AC3136	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)

#544D35

Deuteranopia (green-blind)

#726832

Tritanopia (blue-blind)

#BD0634

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #ac3136;
/* rgb */ color: rgb(172, 49, 54);
/* oklch */ color: oklch(50.2% 0.159 22.9);

Tailwind

colors: {
  custom: {
    50: '#cc726d',
    500: '#ac3136',
    950: '#000000',
  },
}

SCSS

$custom: #ac3136;
$custom-light: #cc726d;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3136",
  "rgb": {
    "r": 172,
    "g": 49,
    "b": 54
  },
  "hsl": {
    "h": 357.561,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50186,
    "c": 0.15908,
    "h": 22.9
  },
  "luminance": 0.11234
}

Semantic roles & 50–950 ramp

primary

#AC3136

secondary

#76C3C0

accent

#DFD949

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150807

muted

#837B7A

Preview Lab

Preview with #AC3136

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

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