#AC4539#AC4539

#AC4539 is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.7% C 0.138 H 29.2°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#AC4539
RGB	rgb(172, 69, 57)
HSL	hsl(6, 50%, 45%)
HSV	hsv(6, 67%, 67%)
CMYK	cmyk(0%, 59.9%, 66.9%, 32.5%)
CIE-LAB	lab(43.25, 41.43, 28.69)
CIE-LCH	lch(43.25, 50.39, 34.71°)
OKLab	oklab(52.66% 0.1203 0.0672)
OKLCH	oklch(52.66% 0.138 29.2)
XYZ	xyz(19.8818, 13.3249, 5.3951)
Luminance	0.1332 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC4539 #39A0AC

analogous

#AC3966 #AC4539 #AC7F39

triadic

#AC4539 #39AC45 #4539AC

tetradic

#AC4539 #66AC39 #39A0AC #7F39AC

square

#AC4539 #66AC39 #39A0AC #7F39AC

split-complementary

#AC4539 #39AC7F #3966AC

monochromatic

#50201B #7E332A #AC4539 #C8655A #D89088

Accessibility & contrast

On white

5.73

#AC4539 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#AC4539 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC4539

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC4539	#FFFFFF	#000000	##FFFFFF
##AC4539	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605837

Deuteranopia (green-blind)

#7A6F36

Tritanopia (blue-blind)

#BD3043

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #ac4539;
/* rgb */ color: rgb(172, 69, 57);
/* oklch */ color: oklch(52.7% 0.138 29.2);

Tailwind

colors: {
  custom: {
    50: '#cb7d6f',
    500: '#ac4539',
    950: '#000000',
  },
}

SCSS

$custom: #ac4539;
$custom-light: #cb7d6f;
$custom-dark: #000000;

JSON

{
  "hex": "#ac4539",
  "rgb": {
    "r": 172,
    "g": 69,
    "b": 57
  },
  "hsl": {
    "h": 6.261,
    "s": 50.218,
    "l": 44.902
  },
  "oklch": {
    "l": 0.52657,
    "c": 0.13781,
    "h": 29.2
  },
  "luminance": 0.13322
}

Semantic roles & 50–950 ramp

primary

#AC4539

secondary

#7FBBC2

accent

#CBDA4E

background

#FDF7F6

surface

#FAEEEC

border

#D3C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #AC4539

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

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