#AC3431#AC3431

#AC3431 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.4% C 0.157 H 26.0°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#AC3431
RGB	rgb(172, 52, 49)
HSL	hsl(1, 56%, 43%)
HSV	hsv(1, 72%, 67%)
CMYK	cmyk(0%, 69.8%, 71.5%, 32.5%)
CIE-LAB	lab(40.33, 48.51, 29.95)
CIE-LCH	lch(40.33, 57.01, 31.69°)
OKLab	oklab(50.43% 0.1409 0.0687)
OKLCH	oklch(50.43% 0.157 26)
XYZ	xyz(18.7977, 11.4512, 4.1256)
Luminance	0.1145 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3431 #31A9AC

analogous

#AC316C #AC3431 #AC7131

triadic

#AC3431 #31AC34 #3431AC

tetradic

#AC3431 #6CAC31 #31A9AC #7131AC

square

#AC3431 #6CAC31 #31A9AC #7131AC

split-complementary

#AC3431 #31AC71 #316CAC

monochromatic

#4D1716 #7C2623 #AC3431 #CC514E #DA807D

Accessibility & contrast

On white

6.38

#AC3431 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#AC3431 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3431

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3431	#FFFFFF	#000000	##FFFFFF
##AC3431	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)

#564F30

Deuteranopia (green-blind)

#74692D

Tritanopia (blue-blind)

#BD0D35

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #ac3431;
/* rgb */ color: rgb(172, 52, 49);
/* oklch */ color: oklch(50.4% 0.157 26.0);

Tailwind

colors: {
  custom: {
    50: '#cc7369',
    500: '#ac3431',
    950: '#000000',
  },
}

SCSS

$custom: #ac3431;
$custom-light: #cc7369;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3431",
  "rgb": {
    "r": 172,
    "g": 52,
    "b": 49
  },
  "hsl": {
    "h": 1.463,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50427,
    "c": 0.15677,
    "h": 26
  },
  "luminance": 0.11448
}

Semantic roles & 50–950 ramp

primary

#AC3431

secondary

#76C1C3

accent

#DBDF49

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #AC3431

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

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