#AC333B#AC333B

#AC333B is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.5% C 0.157 H 21.2°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#AC333B
RGB	rgb(172, 51, 59)
HSL	hsl(356, 54%, 44%)
HSV	hsv(356, 70%, 67%)
CMYK	cmyk(0%, 70.3%, 65.7%, 32.5%)
CIE-LAB	lab(40.34, 49.45, 23.89)
CIE-LCH	lch(40.34, 54.92, 25.79°)
OKLab	oklab(50.48% 0.146 0.0567)
OKLCH	oklch(50.48% 0.157 21.2)
XYZ	xyz(18.9885, 11.4568, 5.3483)
Luminance	0.1145 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC333B #33ACA4

analogous

#AC3377 #AC333B #AC6733

triadic

#AC333B #3BAC33 #333BAC

tetradic

#AC333B #77AC33 #33ACA4 #6733AC

square

#AC333B #77AC33 #33ACA4 #6733AC

split-complementary

#AC333B #33AC67 #3377AC

monochromatic

#4E171B #7D252B #AC333B #CB5159 #D98086

Accessibility & contrast

On white

6.38

#AC333B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#AC333B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC333B

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC333B	#FFFFFF	#000000	##FFFFFF
##AC333B	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544F3A

Deuteranopia (green-blind)

#736938

Tritanopia (blue-blind)

#BD0F37

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #ac333b;
/* rgb */ color: rgb(172, 51, 59);
/* oklch */ color: oklch(50.5% 0.157 21.2);

Tailwind

colors: {
  custom: {
    50: '#cc7371',
    500: '#ac333b',
    950: '#000000',
  },
}

SCSS

$custom: #ac333b;
$custom-light: #cc7371;
$custom-dark: #000000;

JSON

{
  "hex": "#ac333b",
  "rgb": {
    "r": 172,
    "g": 51,
    "b": 59
  },
  "hsl": {
    "h": 356.033,
    "s": 54.26,
    "l": 43.725
  },
  "oklch": {
    "l": 0.50484,
    "c": 0.15666,
    "h": 21.2
  },
  "luminance": 0.11454
}

Semantic roles & 50–950 ramp

primary

#AC333B

secondary

#78C2BE

accent

#DED44A

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #AC333B

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

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