#AC3B28#AC3B28

#AC3B28 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.1% C 0.152 H 32.0°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#AC3B28
RGB	rgb(172, 59, 40)
HSL	hsl(9, 62%, 42%)
HSV	hsv(9, 77%, 67%)
CMYK	cmyk(0%, 65.7%, 76.7%, 32.5%)
CIE-LAB	lab(41.30, 45.17, 36.22)
CIE-LCH	lch(41.30, 57.90, 38.73°)
OKLab	oklab(51.12% 0.1286 0.0803)
OKLCH	oklch(51.12% 0.152 32)
XYZ	xyz(18.9623, 12.0545, 3.3353)
Luminance	0.1205 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3B28 #2899AC

analogous

#AC2857 #AC3B28 #AC7D28

triadic

#AC3B28 #28AC3B #3B28AC

tetradic

#AC3B28 #57AC28 #2899AC #7D28AC

square

#AC3B28 #57AC28 #2899AC #7D28AC

split-complementary

#AC3B28 #28AC7D #2857AC

monochromatic

#491911 #7A2A1C #AC3B28 #D2543F #DE8071

Accessibility & contrast

On white

6.16

#AC3B28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#AC3B28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3B28

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3B28	#FFFFFF	#000000	##FFFFFF
##AC3B28	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5225

Deuteranopia (green-blind)

#776B24

Tritanopia (blue-blind)

#BD1C37

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #ac3b28;
/* rgb */ color: rgb(172, 59, 40);
/* oklch */ color: oklch(51.1% 0.152 32.0);

Tailwind

colors: {
  custom: {
    50: '#cd7763',
    500: '#ac3b28',
    950: '#000000',
  },
}

SCSS

$custom: #ac3b28;
$custom-light: #cd7763;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3b28",
  "rgb": {
    "r": 172,
    "g": 59,
    "b": 40
  },
  "hsl": {
    "h": 8.636,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.51121,
    "c": 0.15159,
    "h": 32
  },
  "luminance": 0.12052
}

Semantic roles & 50–950 ramp

primary

#AC3B28

secondary

#6BB8C5

accent

#CEE542

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150905

muted

#837B79

Preview Lab

Preview with #AC3B28

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

Preview Lab → · Contrast checker → · Palette generator →