#AC3D33#AC3D33

#AC3D33 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.5% C 0.147 H 28.4°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#AC3D33
RGB	rgb(172, 61, 51)
HSL	hsl(5, 54%, 44%)
HSV	hsv(5, 70%, 67%)
CMYK	cmyk(0%, 64.5%, 70.3%, 32.5%)
CIE-LAB	lab(41.77, 44.80, 30.45)
CIE-LCH	lch(41.77, 54.17, 34.21°)
OKLab	oklab(51.51% 0.1297 0.0701)
OKLCH	oklch(51.51% 0.147 28.4)
XYZ	xyz(19.2816, 12.3499, 4.4998)
Luminance	0.1235 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3D33 #33A2AC

analogous

#AC3365 #AC3D33 #AC7933

triadic

#AC3D33 #33AC3D #3D33AC

tetradic

#AC3D33 #65AC33 #33A2AC #7933AC

square

#AC3D33 #65AC33 #33A2AC #7933AC

split-complementary

#AC3D33 #33AC79 #3365AC

monochromatic

#4E1C17 #7D2C25 #AC3D33 #CB5B51 #D98780

Accessibility & contrast

On white

6.05

#AC3D33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#AC3D33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3D33

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3D33	#FFFFFF	#000000	##FFFFFF
##AC3D33	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5331

Deuteranopia (green-blind)

#776C30

Tritanopia (blue-blind)

#BD223B

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #ac3d33;
/* rgb */ color: rgb(172, 61, 51);
/* oklch */ color: oklch(51.5% 0.147 28.4);

Tailwind

colors: {
  custom: {
    50: '#cc786b',
    500: '#ac3d33',
    950: '#000000',
  },
}

SCSS

$custom: #ac3d33;
$custom-light: #cc786b;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3d33",
  "rgb": {
    "r": 172,
    "g": 61,
    "b": 51
  },
  "hsl": {
    "h": 4.959,
    "s": 54.26,
    "l": 43.725
  },
  "oklch": {
    "l": 0.51513,
    "c": 0.14741,
    "h": 28.4
  },
  "luminance": 0.12347
}

Semantic roles & 50–950 ramp

primary

#AC3D33

secondary

#78BCC2

accent

#D1DE4A

background

#FDF7F6

surface

#FAEEEB

border

#D3C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #AC3D33

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

Preview Lab → · Contrast checker → · Palette generator →