#AC3736#AC3736

#AC3736 is a mid, vivid red. Relative luminance 0.118; OKLCH L 50.8% C 0.153 H 24.8°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#AC3736
RGB	rgb(172, 55, 54)
HSL	hsl(1, 52%, 44%)
HSV	hsv(1, 69%, 67%)
CMYK	cmyk(0%, 68%, 68.6%, 32.5%)
CIE-LAB	lab(40.85, 47.55, 27.57)
CIE-LCH	lch(40.85, 54.96, 30.11°)
OKLab	oklab(50.84% 0.139 0.0643)
OKLCH	oklch(50.84% 0.153 24.8)
XYZ	xyz(19.0473, 11.7721, 4.7586)
Luminance	0.1177 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3736 #36ABAC

analogous

#AC3670 #AC3736 #AC7236

triadic

#AC3736 #36AC37 #3736AC

tetradic

#AC3736 #70AC36 #36ABAC #7236AC

square

#AC3736 #70AC36 #36ABAC #7236AC

split-complementary

#AC3736 #36AC72 #3670AC

monochromatic

#4F1919 #7D2827 #AC3736 #CA5655 #D88584

Accessibility & contrast

On white

6.26

#AC3736 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#AC3736 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3736

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3736	#FFFFFF	#000000	##FFFFFF
##AC3736	1.00	6.26	3.35	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575035

Deuteranopia (green-blind)

#746A33

Tritanopia (blue-blind)

#BD1738

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #ac3736;
/* rgb */ color: rgb(172, 55, 54);
/* oklch */ color: oklch(50.8% 0.153 24.8);

Tailwind

colors: {
  custom: {
    50: '#cc756d',
    500: '#ac3736',
    950: '#000000',
  },
}

SCSS

$custom: #ac3736;
$custom-light: #cc756d;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3736",
  "rgb": {
    "r": 172,
    "g": 55,
    "b": 54
  },
  "hsl": {
    "h": 0.508,
    "s": 52.212,
    "l": 44.314
  },
  "oklch": {
    "l": 0.50841,
    "c": 0.15309,
    "h": 24.8
  },
  "luminance": 0.11769
}

Semantic roles & 50–950 ramp

primary

#AC3736

secondary

#7CC1C2

accent

#DADC4C

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #AC3736

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

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