#AC443B#AC443B

#AC443B is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.6% C 0.138 H 27.7°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#AC443B
RGB	rgb(172, 68, 59)
HSL	hsl(5, 49%, 45%)
HSV	hsv(5, 66%, 67%)
CMYK	cmyk(0%, 60.5%, 65.7%, 32.5%)
CIE-LAB	lab(43.10, 42.03, 27.33)
CIE-LCH	lch(43.10, 50.13, 33.03°)
OKLab	oklab(52.55% 0.1226 0.0644)
OKLCH	oklch(52.55% 0.138 27.7)
XYZ	xyz(19.8717, 13.2233, 5.6428)
Luminance	0.1322 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC443B #3BA3AC

analogous

#AC3B6A #AC443B #AC7D3B

triadic

#AC443B #3BAC44 #443BAC

tetradic

#AC443B #6AAC3B #3BA3AC #7D3BAC

square

#AC443B #6AAC3B #3BA3AC #7D3BAC

split-complementary

#AC443B #3BAC7D #3B6AAC

monochromatic

#51201C #7E322B #AC443B #C7655D #D7908A

Accessibility & contrast

On white

5.76

#AC443B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#AC443B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC443B

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC443B	#FFFFFF	#000000	##FFFFFF
##AC443B	1.00	5.76	3.64	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F583A

Deuteranopia (green-blind)

#796E38

Tritanopia (blue-blind)

#BC2F42

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #ac443b;
/* rgb */ color: rgb(172, 68, 59);
/* oklch */ color: oklch(52.6% 0.138 27.7);

Tailwind

colors: {
  custom: {
    50: '#cb7c71',
    500: '#ac443b',
    950: '#000000',
  },
}

SCSS

$custom: #ac443b;
$custom-light: #cb7c71;
$custom-dark: #000000;

JSON

{
  "hex": "#ac443b",
  "rgb": {
    "r": 172,
    "g": 68,
    "b": 59
  },
  "hsl": {
    "h": 4.779,
    "s": 48.918,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52553,
    "c": 0.13848,
    "h": 27.7
  },
  "luminance": 0.13221
}

Semantic roles & 50–950 ramp

primary

#AC443B

secondary

#81BCC1

accent

#CED84F

background

#FDF7F6

surface

#FAEEEC

border

#D3C9C7

text

#140A07

muted

#837C7A

Preview Lab

Preview with #AC443B

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

Preview Lab → · Contrast checker → · Palette generator →