#AC3644#AC3644

#AC3644 is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.0% C 0.153 H 17.7°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#AC3644
RGB	rgb(172, 54, 68)
HSL	hsl(353, 52%, 44%)
HSV	hsv(353, 69%, 67%)
CMYK	cmyk(0%, 68.6%, 60.5%, 32.5%)
CIE-LAB	lab(40.94, 48.83, 19.10)
CIE-LCH	lch(40.94, 52.44, 21.36°)
OKLab	oklab(50.99% 0.1458 0.0466)
OKLCH	oklch(50.99% 0.153 17.7)
XYZ	xyz(19.3777, 11.8290, 6.7306)
Luminance	0.1183 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3644 #36AC9E

analogous

#AC367F #AC3644 #AC6336

triadic

#AC3644 #44AC36 #3644AC

tetradic

#AC3644 #7FAC36 #36AC9E #6336AC

square

#AC3644 #7FAC36 #36AC9E #6336AC

split-complementary

#AC3644 #36AC63 #367FAC

monochromatic

#4F191F #7D2732 #AC3644 #CA5563 #D8848E

Accessibility & contrast

On white

6.24

#AC3644 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#AC3644 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3644

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3644	#FFFFFF	#000000	##FFFFFF
##AC3644	1.00	6.24	3.37	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555144

Deuteranopia (green-blind)

#736A41

Tritanopia (blue-blind)

#BC1A3C

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #ac3644;
/* rgb */ color: rgb(172, 54, 68);
/* oklch */ color: oklch(51.0% 0.153 17.7);

Tailwind

colors: {
  custom: {
    50: '#cb7577',
    500: '#ac3644',
    950: '#000000',
  },
}

SCSS

$custom: #ac3644;
$custom-light: #cb7577;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3644",
  "rgb": {
    "r": 172,
    "g": 54,
    "b": 68
  },
  "hsl": {
    "h": 352.881,
    "s": 52.212,
    "l": 44.314
  },
  "oklch": {
    "l": 0.50987,
    "c": 0.15306,
    "h": 17.7
  },
  "luminance": 0.11826
}

Semantic roles & 50–950 ramp

primary

#AC3644

secondary

#7CC2BA

accent

#DCCB4C

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #AC3644

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

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