#AC3533#AC3533

#AC3533 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.6% C 0.156 H 25.5°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#AC3533
RGB	rgb(172, 53, 51)
HSL	hsl(1, 54%, 44%)
HSV	hsv(1, 70%, 67%)
CMYK	cmyk(0%, 69.2%, 70.3%, 32.5%)
CIE-LAB	lab(40.51, 48.21, 28.96)
CIE-LCH	lch(40.51, 56.24, 30.99°)
OKLab	oklab(50.57% 0.1404 0.0668)
OKLCH	oklch(50.57% 0.156 25.5)
XYZ	xyz(18.8859, 11.5586, 4.3679)
Luminance	0.1156 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3533 #33AAAC

analogous

#AC336D #AC3533 #AC7133

triadic

#AC3533 #33AC35 #3533AC

tetradic

#AC3533 #6DAC33 #33AAAC #7133AC

square

#AC3533 #6DAC33 #33AAAC #7133AC

split-complementary

#AC3533 #33AC71 #336DAC

monochromatic

#4E1817 #7D2625 #AC3533 #CB5351 #D98280

Accessibility & contrast

On white

6.34

#AC3533 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#AC3533 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3533

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3533	#FFFFFF	#000000	##FFFFFF
##AC3533	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564F32

Deuteranopia (green-blind)

#74692F

Tritanopia (blue-blind)

#BD1136

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #ac3533;
/* rgb */ color: rgb(172, 53, 51);
/* oklch */ color: oklch(50.6% 0.156 25.5);

Tailwind

colors: {
  custom: {
    50: '#cc746b',
    500: '#ac3533',
    950: '#000000',
  },
}

SCSS

$custom: #ac3533;
$custom-light: #cc746b;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3533",
  "rgb": {
    "r": 172,
    "g": 53,
    "b": 51
  },
  "hsl": {
    "h": 0.992,
    "s": 54.26,
    "l": 43.725
  },
  "oklch": {
    "l": 0.50568,
    "c": 0.15551,
    "h": 25.5
  },
  "luminance": 0.11556
}

Semantic roles & 50–950 ramp

primary

#AC3533

secondary

#78C1C2

accent

#DBDE4A

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #AC3533

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

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