#AC4A40#AC4A40

#AC4A40 is a mid, vivid red. Relative luminance 0.140; OKLCH L 53.5% C 0.131 H 28.1°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#AC4A40
RGB	rgb(172, 74, 64)
HSL	hsl(6, 46%, 46%)
HSV	hsv(6, 63%, 67%)
CMYK	cmyk(0%, 57%, 62.8%, 32.5%)
CIE-LAB	lab(44.29, 39.44, 25.84)
CIE-LCH	lch(44.29, 47.15, 33.24°)
OKLab	oklab(53.48% 0.1154 0.0617)
OKLCH	oklch(53.48% 0.131 28.1)
XYZ	xyz(20.3893, 14.0409, 6.4860)
Luminance	0.1404 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC4A40 #40A2AC

analogous

#AC406C #AC4A40 #AC8040

triadic

#AC4A40 #40AC4A #4A40AC

tetradic

#AC4A40 #6CAC40 #40A2AC #8040AC

square

#AC4A40 #6CAC40 #40A2AC #8040AC

split-complementary

#AC4A40 #40AC80 #406CAC

monochromatic

#53241F #7F372F #AC4A40 #C56D64 #D69791

Accessibility & contrast

On white

5.52

#AC4A40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#AC4A40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC4A40

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC4A40	#FFFFFF	#000000	##FFFFFF
##AC4A40	1.00	5.52	3.81	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635C3F

Deuteranopia (green-blind)

#7B713E

Tritanopia (blue-blind)

#BC3848

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #ac4a40;
/* rgb */ color: rgb(172, 74, 64);
/* oklch */ color: oklch(53.5% 0.131 28.1);

Tailwind

colors: {
  custom: {
    50: '#ca8075',
    500: '#ac4a40',
    950: '#000000',
  },
}

SCSS

$custom: #ac4a40;
$custom-light: #ca8075;
$custom-dark: #000000;

JSON

{
  "hex": "#ac4a40",
  "rgb": {
    "r": 172,
    "g": 74,
    "b": 64
  },
  "hsl": {
    "h": 5.556,
    "s": 45.763,
    "l": 46.275
  },
  "oklch": {
    "l": 0.5348,
    "c": 0.13085,
    "h": 28.1
  },
  "luminance": 0.14038
}

Semantic roles & 50–950 ramp

primary

#AC4A40

secondary

#87BCC1

accent

#C9D552

background

#FDF7F7

surface

#FAEEED

border

#D3C9C8

text

#140A08

muted

#837C7B

Preview Lab

Preview with #AC4A40

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

Preview Lab → · Contrast checker → · Palette generator →