#AC5539#AC5539

#AC5539 is a mid, vivid red. Relative luminance 0.156; OKLCH L 55.0% C 0.121 H 38.4°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#AC5539
RGB	rgb(172, 85, 57)
HSL	hsl(15, 50%, 45%)
HSV	hsv(15, 67%, 67%)
CMYK	cmyk(0%, 50.6%, 66.9%, 32.5%)
CIE-LAB	lab(46.40, 33.32, 32.47)
CIE-LCH	lch(46.40, 46.52, 44.26°)
OKLab	oklab(55.05% 0.0952 0.0755)
OKLCH	oklch(55.05% 0.121 38.4)
XYZ	xyz(21.0021, 15.5655, 5.7686)
Luminance	0.1556 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC5539 #3990AC

analogous

#AC3956 #AC5539 #AC8F39

triadic

#AC5539 #39AC55 #5539AC

tetradic

#AC5539 #56AC39 #3990AC #8F39AC

square

#AC5539 #56AC39 #3990AC #8F39AC

split-complementary

#AC5539 #39AC8F #3956AC

monochromatic

#50281B #7E3E2A #AC5539 #C8755A #D89B88

Accessibility & contrast

On white

5.11

#AC5539 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#AC5539 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC5539

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC5539	#FFFFFF	#000000	##FFFFFF
##AC5539	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C6236

Deuteranopia (green-blind)

#817537

Tritanopia (blue-blind)

#BC444F

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #ac5539;
/* rgb */ color: rgb(172, 85, 57);
/* oklch */ color: oklch(55.0% 0.121 38.4);

Tailwind

colors: {
  custom: {
    50: '#ca8770',
    500: '#ac5539',
    950: '#000000',
  },
}

SCSS

$custom: #ac5539;
$custom-light: #ca8770;
$custom-dark: #000000;

JSON

{
  "hex": "#ac5539",
  "rgb": {
    "r": 172,
    "g": 85,
    "b": 57
  },
  "hsl": {
    "h": 14.609,
    "s": 50.218,
    "l": 44.902
  },
  "oklch": {
    "l": 0.55047,
    "c": 0.12149,
    "h": 38.4
  },
  "luminance": 0.15563
}

Semantic roles & 50–950 ramp

primary

#AC5539

secondary

#7FB1C2

accent

#B8DA4E

background

#FDF8F6

surface

#FAEFEC

border

#D3CAC7

text

#140B07

muted

#837C7A

Preview Lab

Preview with #AC5539

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

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