#AC4828#AC4828

#AC4828 is a mid, vivid red. Relative luminance 0.136; OKLCH L 52.9% C 0.139 H 37.9°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#AC4828
RGB	rgb(172, 72, 40)
HSL	hsl(15, 62%, 42%)
HSV	hsv(15, 77%, 67%)
CMYK	cmyk(0%, 58.1%, 76.7%, 32.5%)
CIE-LAB	lab(43.60, 39.10, 38.64)
CIE-LCH	lch(43.60, 54.97, 44.67°)
OKLab	oklab(52.85% 0.1098 0.0855)
OKLCH	oklch(52.85% 0.139 37.9)
XYZ	xyz(19.7157, 13.5612, 3.5865)
Luminance	0.1356 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC4828 #288CAC

analogous

#AC284A #AC4828 #AC8A28

triadic

#AC4828 #28AC48 #4828AC

tetradic

#AC4828 #4AAC28 #288CAC #8A28AC

square

#AC4828 #4AAC28 #288CAC #8A28AC

split-complementary

#AC4828 #28AC8A #284AAC

monochromatic

#491E11 #7A331C #AC4828 #D2633F #DE8B71

Accessibility & contrast

On white

5.66

#AC4828 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#AC4828 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC4828

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC4828	#FFFFFF	#000000	##FFFFFF
##AC4828	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645924

Deuteranopia (green-blind)

#7C6F25

Tritanopia (blue-blind)

#BD3141

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #ac4828;
/* rgb */ color: rgb(172, 72, 40);
/* oklch */ color: oklch(52.9% 0.139 37.9);

Tailwind

colors: {
  custom: {
    50: '#cc7e64',
    500: '#ac4828',
    950: '#000000',
  },
}

SCSS

$custom: #ac4828;
$custom-light: #cc7e64;
$custom-dark: #000000;

JSON

{
  "hex": "#ac4828",
  "rgb": {
    "r": 172,
    "g": 72,
    "b": 40
  },
  "hsl": {
    "h": 14.545,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.52853,
    "c": 0.13917,
    "h": 37.9
  },
  "luminance": 0.13559
}

Semantic roles & 50–950 ramp

primary

#AC4828

secondary

#6BAFC5

accent

#BEE542

background

#FDF7F6

surface

#FAEEEB

border

#D3C9C6

text

#150A05

muted

#837C7A

Preview Lab

Preview with #AC4828

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

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