#AC3139#AC3139

#AC3139 is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.2% C 0.159 H 21.6°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#AC3139
RGB	rgb(172, 49, 57)
HSL	hsl(356, 56%, 43%)
HSV	hsv(356, 72%, 67%)
CMYK	cmyk(0%, 71.5%, 66.9%, 32.5%)
CIE-LAB	lab(40.02, 50.11, 24.73)
CIE-LCH	lch(40.02, 55.88, 26.26°)
OKLab	oklab(50.24% 0.1477 0.0584)
OKLCH	oklch(50.24% 0.159 21.6)
XYZ	xyz(18.8521, 11.2654, 5.0519)
Luminance	0.1126 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3139 #31ACA4

analogous

#AC3176 #AC3139 #AC6731

triadic

#AC3139 #39AC31 #3139AC

tetradic

#AC3139 #76AC31 #31ACA4 #6731AC

square

#AC3139 #76AC31 #31ACA4 #6731AC

split-complementary

#AC3139 #31AC67 #3176AC

monochromatic

#4D1619 #7C2329 #AC3139 #CC4E56 #DA7D83

Accessibility & contrast

On white

6.46

#AC3139 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#AC3139 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3139

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3139	#FFFFFF	#000000	##FFFFFF
##AC3139	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534E38

Deuteranopia (green-blind)

#726835

Tritanopia (blue-blind)

#BD0835

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #ac3139;
/* rgb */ color: rgb(172, 49, 57);
/* oklch */ color: oklch(50.2% 0.159 21.6);

Tailwind

colors: {
  custom: {
    50: '#cc726f',
    500: '#ac3139',
    950: '#000000',
  },
}

SCSS

$custom: #ac3139;
$custom-light: #cc726f;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3139",
  "rgb": {
    "r": 172,
    "g": 49,
    "b": 57
  },
  "hsl": {
    "h": 356.098,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50238,
    "c": 0.15882,
    "h": 21.6
  },
  "luminance": 0.11263
}

Semantic roles & 50–950 ramp

primary

#AC3139

secondary

#76C3BE

accent

#DFD549

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #AC3139

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

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