#AC3523#AC3523

#AC3523 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.4% C 0.158 H 31.5°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#AC3523
RGB	rgb(172, 53, 35)
HSL	hsl(8, 66%, 41%)
HSV	hsv(8, 80%, 67%)
CMYK	cmyk(0%, 69.2%, 79.7%, 32.5%)
CIE-LAB	lab(40.31, 47.51, 37.92)
CIE-LCH	lch(40.31, 60.79, 38.60°)
OKLab	oklab(50.36% 0.1349 0.0825)
OKLCH	oklch(50.36% 0.158 31.5)
XYZ	xyz(18.5919, 11.4410, 2.8192)
Luminance	0.1144 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3523 #239AAC

analogous

#AC2355 #AC3523 #AC7923

triadic

#AC3523 #23AC35 #3523AC

tetradic

#AC3523 #55AC23 #239AAC #7923AC

square

#AC3523 #55AC23 #239AAC #7923AC

split-complementary

#AC3523 #23AC79 #2355AC

monochromatic

#46160E #792519 #AC3523 #D64B36 #E07969

Accessibility & contrast

On white

6.39

#AC3523 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#AC3523 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3523

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3523	#FFFFFF	#000000	##FFFFFF
##AC3523	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E20

Deuteranopia (green-blind)

#75691E

Tritanopia (blue-blind)

#BE0B32

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #ac3523;
/* rgb */ color: rgb(172, 53, 35);
/* oklch */ color: oklch(50.4% 0.158 31.5);

Tailwind

colors: {
  custom: {
    50: '#cd735f',
    500: '#ac3523',
    950: '#000000',
  },
}

SCSS

$custom: #ac3523;
$custom-light: #cd735f;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3523",
  "rgb": {
    "r": 172,
    "g": 53,
    "b": 35
  },
  "hsl": {
    "h": 7.883,
    "s": 66.184,
    "l": 40.588
  },
  "oklch": {
    "l": 0.50362,
    "c": 0.15817,
    "h": 31.5
  },
  "luminance": 0.11438
}

Semantic roles & 50–950 ramp

primary

#AC3523

secondary

#64B9C6

accent

#D3E93F

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150905

muted

#837B79

Preview Lab

Preview with #AC3523

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

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