#AC3527#AC3527

#AC3527 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.4% C 0.157 H 30.1°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#AC3527
RGB	rgb(172, 53, 39)
HSL	hsl(6, 63%, 41%)
HSV	hsv(6, 77%, 67%)
CMYK	cmyk(0%, 69.2%, 77.3%, 32.5%)
CIE-LAB	lab(40.35, 47.66, 35.77)
CIE-LCH	lch(40.35, 59.59, 36.88°)
OKLab	oklab(50.41% 0.1362 0.079)
OKLCH	oklch(50.41% 0.157 30.1)
XYZ	xyz(18.6547, 11.4661, 3.1500)
Luminance	0.1146 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3527 #279EAC

analogous

#AC275C #AC3527 #AC7827

triadic

#AC3527 #27AC35 #3527AC

tetradic

#AC3527 #5CAC27 #279EAC #7827AC

square

#AC3527 #5CAC27 #279EAC #7827AC

split-complementary

#AC3527 #27AC78 #275CAC

monochromatic

#481610 #7A261C #AC3527 #D34D3D #DE7B6F

Accessibility & contrast

On white

6.38

#AC3527 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#AC3527 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3527

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3527	#FFFFFF	#000000	##FFFFFF
##AC3527	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574F24

Deuteranopia (green-blind)

#756922

Tritanopia (blue-blind)

#BD0C33

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #ac3527;
/* rgb */ color: rgb(172, 53, 39);
/* oklch */ color: oklch(50.4% 0.157 30.1);

Tailwind

colors: {
  custom: {
    50: '#cd7362',
    500: '#ac3527',
    950: '#000000',
  },
}

SCSS

$custom: #ac3527;
$custom-light: #cd7362;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3527",
  "rgb": {
    "r": 172,
    "g": 53,
    "b": 39
  },
  "hsl": {
    "h": 6.316,
    "s": 63.033,
    "l": 41.373
  },
  "oklch": {
    "l": 0.50406,
    "c": 0.15745,
    "h": 30.1
  },
  "luminance": 0.11463
}

Semantic roles & 50–950 ramp

primary

#AC3527

secondary

#6ABBC5

accent

#D5E642

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150905

muted

#837B79

Preview Lab

Preview with #AC3527

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

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