#AC5728#AC5728

#AC5728 is a mid, vivid orange. Relative luminance 0.157; OKLCH L 55.2% C 0.126 H 47.0°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#AC5728
RGB	rgb(172, 87, 40)
HSL	hsl(21, 62%, 42%)
HSV	hsv(21, 77%, 67%)
CMYK	cmyk(0%, 49.4%, 76.7%, 32.5%)
CIE-LAB	lab(46.64, 31.36, 41.78)
CIE-LCH	lch(46.64, 52.24, 53.11°)
OKLab	oklab(55.17% 0.0862 0.0923)
OKLCH	oklch(55.17% 0.126 47)
XYZ	xyz(20.8064, 15.7427, 3.9500)
Luminance	0.1574 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC5728 #287DAC

analogous

#AC283B #AC5728 #AC9928

triadic

#AC5728 #28AC57 #5728AC

tetradic

#AC5728 #3BAC28 #287DAC #9928AC

square

#AC5728 #3BAC28 #287DAC #9928AC

split-complementary

#AC5728 #28AC99 #283BAC

monochromatic

#492511 #7A3E1C #AC5728 #D2733F #DE9771

Accessibility & contrast

On white

5.06

#AC5728 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#AC5728 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC5728

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC5728	#FFFFFF	#000000	##FFFFFF
##AC5728	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F6322

Deuteranopia (green-blind)

#837626

Tritanopia (blue-blind)

#BD454D

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #ac5728;
/* rgb */ color: rgb(172, 87, 40);
/* oklch */ color: oklch(55.2% 0.126 47.0);

Tailwind

colors: {
  custom: {
    50: '#cb8865',
    500: '#ac5728',
    950: '#000000',
  },
}

SCSS

$custom: #ac5728;
$custom-light: #cb8865;
$custom-dark: #000000;

JSON

{
  "hex": "#ac5728",
  "rgb": {
    "r": 172,
    "g": 87,
    "b": 40
  },
  "hsl": {
    "h": 21.364,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.55167,
    "c": 0.12628,
    "h": 47
  },
  "luminance": 0.1574
}

Semantic roles & 50–950 ramp

primary

#AC5728

secondary

#6BA5C5

accent

#ABE542

background

#FDF8F6

surface

#FAF0EB

border

#D3CBC6

text

#150B06

muted

#837C7A

Preview Lab

Preview with #AC5728

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

Preview Lab → · Contrast checker → · Palette generator →