#AC4528#AC4528

#AC4528 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.4% C 0.142 H 36.4°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#AC4528
RGB	rgb(172, 69, 40)
HSL	hsl(13, 62%, 42%)
HSV	hsv(13, 77%, 67%)
CMYK	cmyk(0%, 59.9%, 76.7%, 32.5%)
CIE-LAB	lab(43.04, 40.56, 38.06)
CIE-LCH	lch(43.04, 55.62, 43.18°)
OKLab	oklab(52.43% 0.1143 0.0842)
OKLCH	oklch(52.43% 0.142 36.4)
XYZ	xyz(19.5264, 13.1828, 3.5234)
Luminance	0.1318 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC4528 #288FAC

analogous

#AC284D #AC4528 #AC8728

triadic

#AC4528 #28AC45 #4528AC

tetradic

#AC4528 #4DAC28 #288FAC #8728AC

square

#AC4528 #4DAC28 #288FAC #8728AC

split-complementary

#AC4528 #28AC87 #284DAC

monochromatic

#491D11 #7A311C #AC4528 #D25F3F #DE8971

Accessibility & contrast

On white

5.78

#AC4528 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#AC4528 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC4528

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC4528	#FFFFFF	#000000	##FFFFFF
##AC4528	1.00	5.78	3.64	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625724

Deuteranopia (green-blind)

#7B6E25

Tritanopia (blue-blind)

#BD2D3F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #ac4528;
/* rgb */ color: rgb(172, 69, 40);
/* oklch */ color: oklch(52.4% 0.142 36.4);

Tailwind

colors: {
  custom: {
    50: '#cc7c64',
    500: '#ac4528',
    950: '#000000',
  },
}

SCSS

$custom: #ac4528;
$custom-light: #cc7c64;
$custom-dark: #000000;

JSON

{
  "hex": "#ac4528",
  "rgb": {
    "r": 172,
    "g": 69,
    "b": 40
  },
  "hsl": {
    "h": 13.182,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.52429,
    "c": 0.142,
    "h": 36.4
  },
  "luminance": 0.1318
}

Semantic roles & 50–950 ramp

primary

#AC4528

secondary

#6BB1C5

accent

#C2E542

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150A05

muted

#837C7A

Preview Lab

Preview with #AC4528

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

Preview Lab → · Contrast checker → · Palette generator →