#AC3423#AC3423

#AC3423 is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.3% C 0.159 H 31.1°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#AC3423
RGB	rgb(172, 52, 35)
HSL	hsl(7, 66%, 41%)
HSV	hsv(7, 80%, 67%)
CMYK	cmyk(0%, 69.8%, 79.7%, 32.5%)
CIE-LAB	lab(40.17, 47.92, 37.77)
CIE-LCH	lch(40.17, 61.02, 38.25°)
OKLab	oklab(50.25% 0.1362 0.0822)
OKLCH	oklch(50.25% 0.159 31.1)
XYZ	xyz(18.5468, 11.3508, 2.8041)
Luminance	0.1135 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3423 #239BAC

analogous

#AC2356 #AC3423 #AC7823

triadic

#AC3423 #23AC34 #3423AC

tetradic

#AC3423 #56AC23 #239BAC #7823AC

square

#AC3423 #56AC23 #239BAC #7823AC

split-complementary

#AC3423 #23AC78 #2356AC

monochromatic

#46150E #792519 #AC3423 #D64A36 #E07869

Accessibility & contrast

On white

6.42

#AC3423 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#AC3423 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3423

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3423	#FFFFFF	#000000	##FFFFFF
##AC3423	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574E20

Deuteranopia (green-blind)

#75681E

Tritanopia (blue-blind)

#BE0731

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #ac3423;
/* rgb */ color: rgb(172, 52, 35);
/* oklch */ color: oklch(50.3% 0.159 31.1);

Tailwind

colors: {
  custom: {
    50: '#cd735f',
    500: '#ac3423',
    950: '#000000',
  },
}

SCSS

$custom: #ac3423;
$custom-light: #cd735f;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3423",
  "rgb": {
    "r": 172,
    "g": 52,
    "b": 35
  },
  "hsl": {
    "h": 7.445,
    "s": 66.184,
    "l": 40.588
  },
  "oklch": {
    "l": 0.50251,
    "c": 0.15907,
    "h": 31.1
  },
  "luminance": 0.11348
}

Semantic roles & 50–950 ramp

primary

#AC3423

secondary

#64BAC6

accent

#D4E93F

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150805

muted

#837B79

Preview Lab

Preview with #AC3423

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

Preview Lab → · Contrast checker → · Palette generator →