#AC424B#AC424B

#AC424B is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.6% C 0.139 H 18.2°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#AC424B
RGB	rgb(172, 66, 75)
HSL	hsl(355, 45%, 47%)
HSV	hsv(355, 62%, 67%)
CMYK	cmyk(0%, 61.6%, 56.4%, 32.5%)
CIE-LAB	lab(43.03, 44.11, 17.55)
CIE-LCH	lch(43.03, 47.47, 21.69°)
OKLab	oklab(52.59% 0.132 0.0434)
OKLCH	oklch(52.59% 0.139 18.2)
XYZ	xyz(20.2332, 13.1777, 8.1333)
Luminance	0.1318 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC424B #42ACA3

analogous

#AC4280 #AC424B #AC6E42

triadic

#AC424B #4BAC42 #424BAC

tetradic

#AC424B #80AC42 #42ACA3 #6E42AC

square

#AC424B #80AC42 #42ACA3 #6E42AC

split-complementary

#AC424B #42AC6E #4280AC

monochromatic

#542024 #803138 #AC424B #C5676F #D69399

Accessibility & contrast

On white

5.78

#AC424B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#AC424B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC424B

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC424B	#FFFFFF	#000000	##FFFFFF
##AC424B	1.00	5.78	3.64	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B584B

Deuteranopia (green-blind)

#766E48

Tritanopia (blue-blind)

#BC2F46

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #ac424b;
/* rgb */ color: rgb(172, 66, 75);
/* oklch */ color: oklch(52.6% 0.139 18.2);

Tailwind

colors: {
  custom: {
    50: '#ca7b7d',
    500: '#ac424b',
    950: '#000000',
  },
}

SCSS

$custom: #ac424b;
$custom-light: #ca7b7d;
$custom-dark: #000000;

JSON

{
  "hex": "#ac424b",
  "rgb": {
    "r": 172,
    "g": 66,
    "b": 75
  },
  "hsl": {
    "h": 354.906,
    "s": 44.538,
    "l": 46.667
  },
  "oklch": {
    "l": 0.52594,
    "c": 0.13891,
    "h": 18.2
  },
  "luminance": 0.13175
}

Semantic roles & 50–950 ramp

primary

#AC424B

secondary

#89C1BC

accent

#D4C954

background

#FDF7F7

surface

#FAEEEE

border

#D3C9C9

text

#140A09

muted

#837C7B

Preview Lab

Preview with #AC424B

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

Preview Lab → · Contrast checker → · Palette generator →