#AC3A33#AC3A33

#AC3A33 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.1% C 0.150 H 27.2°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#AC3A33
RGB	rgb(172, 58, 51)
HSL	hsl(3, 54%, 44%)
HSV	hsv(3, 70%, 67%)
CMYK	cmyk(0%, 66.3%, 70.3%, 32.5%)
CIE-LAB	lab(41.28, 46.11, 29.87)
CIE-LCH	lch(41.28, 54.94, 32.94°)
OKLab	oklab(51.15% 0.1338 0.0689)
OKLCH	oklch(51.15% 0.15 27.2)
XYZ	xyz(19.1259, 12.0385, 4.4479)
Luminance	0.1204 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3A33 #33A5AC

analogous

#AC3368 #AC3A33 #AC7633

triadic

#AC3A33 #33AC3A #3A33AC

tetradic

#AC3A33 #68AC33 #33A5AC #7633AC

square

#AC3A33 #68AC33 #33A5AC #7633AC

split-complementary

#AC3A33 #33AC76 #3368AC

monochromatic

#4E1A17 #7D2A25 #AC3A33 #CB5851 #D98580

Accessibility & contrast

On white

6.16

#AC3A33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#AC3A33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3A33

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3A33	#FFFFFF	#000000	##FFFFFF
##AC3A33	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)

#595231

Deuteranopia (green-blind)

#766A30

Tritanopia (blue-blind)

#BD1C39

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #ac3a33;
/* rgb */ color: rgb(172, 58, 51);
/* oklch */ color: oklch(51.1% 0.150 27.2);

Tailwind

colors: {
  custom: {
    50: '#cc766b',
    500: '#ac3a33',
    950: '#000000',
  },
}

SCSS

$custom: #ac3a33;
$custom-light: #cc766b;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3a33",
  "rgb": {
    "r": 172,
    "g": 58,
    "b": 51
  },
  "hsl": {
    "h": 3.471,
    "s": 54.26,
    "l": 43.725
  },
  "oklch": {
    "l": 0.51146,
    "c": 0.15048,
    "h": 27.2
  },
  "luminance": 0.12036
}

Semantic roles & 50–950 ramp

primary

#AC3A33

secondary

#78BEC2

accent

#D5DE4A

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #AC3A33

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

Preview Lab → · Contrast checker → · Palette generator →