#AC3339#AC3339

#AC3339 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.4% C 0.157 H 22.2°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#AC3339
RGB	rgb(172, 51, 57)
HSL	hsl(357, 54%, 44%)
HSV	hsv(357, 70%, 67%)
CMYK	cmyk(0%, 70.3%, 66.9%, 32.5%)
CIE-LAB	lab(40.31, 49.33, 25.08)
CIE-LCH	lch(40.31, 55.34, 26.95°)
OKLab	oklab(50.45% 0.1452 0.0591)
OKLCH	oklch(50.45% 0.157 22.2)
XYZ	xyz(18.9376, 11.4365, 5.0804)
Luminance	0.1143 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3339 #33ACA6

analogous

#AC3375 #AC3339 #AC6933

triadic

#AC3339 #39AC33 #3339AC

tetradic

#AC3339 #75AC33 #33ACA6 #6933AC

square

#AC3339 #75AC33 #33ACA6 #6933AC

split-complementary

#AC3339 #33AC69 #3375AC

monochromatic

#4E171A #7D2529 #AC3339 #CB5157 #D98084

Accessibility & contrast

On white

6.39

#AC3339 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#AC3339 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3339

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3339	#FFFFFF	#000000	##FFFFFF
##AC3339	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544F38

Deuteranopia (green-blind)

#736835

Tritanopia (blue-blind)

#BD0E36

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #ac3339;
/* rgb */ color: rgb(172, 51, 57);
/* oklch */ color: oklch(50.4% 0.157 22.2);

Tailwind

colors: {
  custom: {
    50: '#cc736f',
    500: '#ac3339',
    950: '#000000',
  },
}

SCSS

$custom: #ac3339;
$custom-light: #cc736f;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3339",
  "rgb": {
    "r": 172,
    "g": 51,
    "b": 57
  },
  "hsl": {
    "h": 357.025,
    "s": 54.26,
    "l": 43.725
  },
  "oklch": {
    "l": 0.50448,
    "c": 0.15682,
    "h": 22.2
  },
  "luminance": 0.11434
}

Semantic roles & 50–950 ramp

primary

#AC3339

secondary

#78C2BF

accent

#DED64A

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #AC3339

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

Preview Lab → · Contrast checker → · Palette generator →