#AC4D39#AC4D39

#AC4D39 is a mid, vivid red. Relative luminance 0.144; OKLCH L 53.8% C 0.129 H 33.4°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#AC4D39
RGB	rgb(172, 77, 57)
HSL	hsl(10, 50%, 45%)
HSV	hsv(10, 67%, 67%)
CMYK	cmyk(0%, 55.2%, 66.9%, 32.5%)
CIE-LAB	lab(44.77, 37.47, 30.53)
CIE-LCH	lch(44.77, 48.33, 39.17°)
OKLab	oklab(53.81% 0.108 0.0712)
OKLCH	oklch(53.81% 0.129 33.4)
XYZ	xyz(20.4075, 14.3764, 5.5704)
Luminance	0.1437 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC4D39 #3998AC

analogous

#AC395E #AC4D39 #AC8739

triadic

#AC4D39 #39AC4D #4D39AC

tetradic

#AC4D39 #5EAC39 #3998AC #8739AC

square

#AC4D39 #5EAC39 #3998AC #8739AC

split-complementary

#AC4D39 #39AC87 #395EAC

monochromatic

#50241B #7E382A #AC4D39 #C86D5A #D89688

Accessibility & contrast

On white

5.42

#AC4D39 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#AC4D39 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC4D39

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC4D39	#FFFFFF	#000000	##FFFFFF
##AC4D39	1.00	5.42	3.87	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665D37

Deuteranopia (green-blind)

#7D7237

Tritanopia (blue-blind)

#BC3A48

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #ac4d39;
/* rgb */ color: rgb(172, 77, 57);
/* oklch */ color: oklch(53.8% 0.129 33.4);

Tailwind

colors: {
  custom: {
    50: '#cb8170',
    500: '#ac4d39',
    950: '#000000',
  },
}

SCSS

$custom: #ac4d39;
$custom-light: #cb8170;
$custom-dark: #000000;

JSON

{
  "hex": "#ac4d39",
  "rgb": {
    "r": 172,
    "g": 77,
    "b": 57
  },
  "hsl": {
    "h": 10.435,
    "s": 50.218,
    "l": 44.902
  },
  "oklch": {
    "l": 0.53806,
    "c": 0.12937,
    "h": 33.4
  },
  "luminance": 0.14374
}

Semantic roles & 50–950 ramp

primary

#AC4D39

secondary

#7FB6C2

accent

#C1DA4E

background

#FDF8F6

surface

#FAEFEC

border

#D3CAC7

text

#140A07

muted

#837C7A

Preview Lab

Preview with #AC4D39

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

Preview Lab → · Contrast checker → · Palette generator →