#AC4728#AC4728

#AC4728 is a mid, vivid red. Relative luminance 0.134; OKLCH L 52.7% C 0.140 H 37.4°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#AC4728
RGB	rgb(172, 71, 40)
HSL	hsl(14, 62%, 42%)
HSV	hsv(14, 77%, 67%)
CMYK	cmyk(0%, 58.7%, 76.7%, 32.5%)
CIE-LAB	lab(43.41, 39.59, 38.45)
CIE-LCH	lch(43.41, 55.18, 44.16°)
OKLab	oklab(52.71% 0.1113 0.0851)
OKLCH	oklch(52.71% 0.14 37.4)
XYZ	xyz(19.6515, 13.4330, 3.5651)
Luminance	0.1343 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC4728 #288DAC

analogous

#AC284B #AC4728 #AC8928

triadic

#AC4728 #28AC47 #4728AC

tetradic

#AC4728 #4BAC28 #288DAC #8928AC

square

#AC4728 #4BAC28 #288DAC #8928AC

split-complementary

#AC4728 #28AC89 #284BAC

monochromatic

#491E11 #7A331C #AC4728 #D2623F #DE8A71

Accessibility & contrast

On white

5.70

#AC4728 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#AC4728 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC4728

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC4728	#FFFFFF	#000000	##FFFFFF
##AC4728	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635924

Deuteranopia (green-blind)

#7C6F25

Tritanopia (blue-blind)

#BD3040

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #ac4728;
/* rgb */ color: rgb(172, 71, 40);
/* oklch */ color: oklch(52.7% 0.140 37.4);

Tailwind

colors: {
  custom: {
    50: '#cc7e64',
    500: '#ac4728',
    950: '#000000',
  },
}

SCSS

$custom: #ac4728;
$custom-light: #cc7e64;
$custom-dark: #000000;

JSON

{
  "hex": "#ac4728",
  "rgb": {
    "r": 172,
    "g": 71,
    "b": 40
  },
  "hsl": {
    "h": 14.091,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.5271,
    "c": 0.1401,
    "h": 37.4
  },
  "luminance": 0.1343
}

Semantic roles & 50–950 ramp

primary

#AC4728

secondary

#6BB0C5

accent

#BFE542

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150A05

muted

#837C7A

Preview Lab

Preview with #AC4728

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

Preview Lab → · Contrast checker → · Palette generator →