#AC3529#AC3529

#AC3529 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.4% C 0.157 H 29.4°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#AC3529
RGB	rgb(172, 53, 41)
HSL	hsl(5, 62%, 42%)
HSV	hsv(5, 76%, 67%)
CMYK	cmyk(0%, 69.2%, 76.2%, 32.5%)
CIE-LAB	lab(40.38, 47.74, 34.66)
CIE-LCH	lch(40.38, 59.00, 35.98°)
OKLab	oklab(50.43% 0.1368 0.0772)
OKLCH	oklch(50.43% 0.157 29.4)
XYZ	xyz(18.6887, 11.4797, 3.3291)
Luminance	0.1148 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3529 #29A0AC

analogous

#AC295F #AC3529 #AC7729

triadic

#AC3529 #29AC35 #3529AC

tetradic

#AC3529 #5FAC29 #29A0AC #7729AC

square

#AC3529 #5FAC29 #29A0AC #7729AC

split-complementary

#AC3529 #29AC77 #295FAC

monochromatic

#491711 #7B261D #AC3529 #D24E41 #DD7C72

Accessibility & contrast

On white

6.37

#AC3529 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#AC3529 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3529

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3529	#FFFFFF	#000000	##FFFFFF
##AC3529	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574F27

Deuteranopia (green-blind)

#756925

Tritanopia (blue-blind)

#BD0D33

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #ac3529;
/* rgb */ color: rgb(172, 53, 41);
/* oklch */ color: oklch(50.4% 0.157 29.4);

Tailwind

colors: {
  custom: {
    50: '#cd7363',
    500: '#ac3529',
    950: '#000000',
  },
}

SCSS

$custom: #ac3529;
$custom-light: #cd7363;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3529",
  "rgb": {
    "r": 172,
    "g": 53,
    "b": 41
  },
  "hsl": {
    "h": 5.496,
    "s": 61.502,
    "l": 41.765
  },
  "oklch": {
    "l": 0.5043,
    "c": 0.15709,
    "h": 29.4
  },
  "luminance": 0.11477
}

Semantic roles & 50–950 ramp

primary

#AC3529

secondary

#6CBCC5

accent

#D6E543

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150905

muted

#837B7A

Preview Lab

Preview with #AC3529

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

Preview Lab → · Contrast checker → · Palette generator →