#AC423B#AC423B

#AC423B is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.3% C 0.141 H 26.8°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#AC423B
RGB	rgb(172, 66, 59)
HSL	hsl(4, 49%, 45%)
HSV	hsv(4, 66%, 67%)
CMYK	cmyk(0%, 61.6%, 65.7%, 32.5%)
CIE-LAB	lab(42.74, 42.97, 26.89)
CIE-LCH	lch(42.74, 50.69, 32.04°)
OKLab	oklab(52.28% 0.1255 0.0634)
OKLCH	oklch(52.28% 0.141 26.8)
XYZ	xyz(19.7528, 12.9855, 5.6031)
Luminance	0.1298 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC423B #3BA5AC

analogous

#AC3B6C #AC423B #AC7B3B

triadic

#AC423B #3BAC42 #423BAC

tetradic

#AC423B #6CAC3B #3BA5AC #7B3BAC

square

#AC423B #6CAC3B #3BA5AC #7B3BAC

split-complementary

#AC423B #3BAC7B #3B6CAC

monochromatic

#511F1C #7E312B #AC423B #C7635D #D78F8A

Accessibility & contrast

On white

5.84

#AC423B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#AC423B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC423B

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC423B	#FFFFFF	#000000	##FFFFFF
##AC423B	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E573A

Deuteranopia (green-blind)

#786D38

Tritanopia (blue-blind)

#BD2C41

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #ac423b;
/* rgb */ color: rgb(172, 66, 59);
/* oklch */ color: oklch(52.3% 0.141 26.8);

Tailwind

colors: {
  custom: {
    50: '#cb7b71',
    500: '#ac423b',
    950: '#000000',
  },
}

SCSS

$custom: #ac423b;
$custom-light: #cb7b71;
$custom-dark: #000000;

JSON

{
  "hex": "#ac423b",
  "rgb": {
    "r": 172,
    "g": 66,
    "b": 59
  },
  "hsl": {
    "h": 3.717,
    "s": 48.918,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52284,
    "c": 0.14066,
    "h": 26.8
  },
  "luminance": 0.12983
}

Semantic roles & 50–950 ramp

primary

#AC423B

secondary

#81BDC1

accent

#D0D84F

background

#FDF7F6

surface

#FAEEEC

border

#D3C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #AC423B

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

Preview Lab → · Contrast checker → · Palette generator →