#AC3520#AC3520

#AC3520 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.3% C 0.159 H 32.4°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#AC3520
RGB	rgb(172, 53, 32)
HSL	hsl(9, 69%, 40%)
HSV	hsv(9, 81%, 67%)
CMYK	cmyk(0%, 69.2%, 81.4%, 32.5%)
CIE-LAB	lab(40.29, 47.41, 39.49)
CIE-LCH	lch(40.29, 61.71, 39.79°)
OKLab	oklab(50.33% 0.134 0.085)
OKLCH	oklch(50.33% 0.159 32.4)
XYZ	xyz(18.5492, 11.4239, 2.5945)
Luminance	0.1142 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3520 #2097AC

analogous

#AC2051 #AC3520 #AC7B20

triadic

#AC3520 #20AC35 #3520AC

tetradic

#AC3520 #51AC20 #2097AC #7B20AC

square

#AC3520 #51AC20 #2097AC #7B20AC

split-complementary

#AC3520 #20AC7B #2051AC

monochromatic

#45150D #782516 #AC3520 #D94A31 #E27764

Accessibility & contrast

On white

6.39

#AC3520 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#AC3520 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3520

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3520	#FFFFFF	#000000	##FFFFFF
##AC3520	1.00	6.39	3.28	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E1C

Deuteranopia (green-blind)

#75691B

Tritanopia (blue-blind)

#BE0A31

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #ac3520;
/* rgb */ color: rgb(172, 53, 32);
/* oklch */ color: oklch(50.3% 0.159 32.4);

Tailwind

colors: {
  custom: {
    50: '#cd735d',
    500: '#ac3520',
    950: '#000000',
  },
}

SCSS

$custom: #ac3520;
$custom-light: #cd735d;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3520",
  "rgb": {
    "r": 172,
    "g": 53,
    "b": 32
  },
  "hsl": {
    "h": 9,
    "s": 68.627,
    "l": 40
  },
  "oklch": {
    "l": 0.50332,
    "c": 0.1587,
    "h": 32.4
  },
  "luminance": 0.11421
}

Semantic roles & 50–950 ramp

primary

#AC3520

secondary

#60B8C7

accent

#D1EB3C

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AC3520

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

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