#AC3429#AC3429

#AC3429 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.3% C 0.158 H 29.1°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#AC3429
RGB	rgb(172, 52, 41)
HSL	hsl(5, 62%, 42%)
HSV	hsv(5, 76%, 67%)
CMYK	cmyk(0%, 69.8%, 76.2%, 32.5%)
CIE-LAB	lab(40.23, 48.15, 34.50)
CIE-LCH	lch(40.23, 59.23, 35.62°)
OKLab	oklab(50.32% 0.1381 0.0768)
OKLCH	oklch(50.32% 0.158 29.1)
XYZ	xyz(18.6436, 11.3895, 3.3141)
Luminance	0.1139 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3429 #29A1AC

analogous

#AC2960 #AC3429 #AC7629

triadic

#AC3429 #29AC34 #3429AC

tetradic

#AC3429 #60AC29 #29A1AC #7629AC

square

#AC3429 #60AC29 #29A1AC #7629AC

split-complementary

#AC3429 #29AC76 #2960AC

monochromatic

#491611 #7B251D #AC3429 #D24D41 #DD7B72

Accessibility & contrast

On white

6.41

#AC3429 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#AC3429 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3429

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3429	#FFFFFF	#000000	##FFFFFF
##AC3429	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574E27

Deuteranopia (green-blind)

#746825

Tritanopia (blue-blind)

#BD0A32

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #ac3429;
/* rgb */ color: rgb(172, 52, 41);
/* oklch */ color: oklch(50.3% 0.158 29.1);

Tailwind

colors: {
  custom: {
    50: '#cd7363',
    500: '#ac3429',
    950: '#000000',
  },
}

SCSS

$custom: #ac3429;
$custom-light: #cd7363;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3429",
  "rgb": {
    "r": 172,
    "g": 52,
    "b": 41
  },
  "hsl": {
    "h": 5.038,
    "s": 61.502,
    "l": 41.765
  },
  "oklch": {
    "l": 0.50319,
    "c": 0.15803,
    "h": 29.1
  },
  "luminance": 0.11387
}

Semantic roles & 50–950 ramp

primary

#AC3429

secondary

#6CBDC5

accent

#D7E543

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150805

muted

#837B79

Preview Lab

Preview with #AC3429

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

Preview Lab → · Contrast checker → · Palette generator →