#AC3427#AC3427

#AC3427 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.3% C 0.158 H 29.8°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#AC3427
RGB	rgb(172, 52, 39)
HSL	hsl(6, 63%, 41%)
HSV	hsv(6, 77%, 67%)
CMYK	cmyk(0%, 69.8%, 77.3%, 32.5%)
CIE-LAB	lab(40.21, 48.07, 35.61)
CIE-LCH	lch(40.21, 59.82, 36.53°)
OKLab	oklab(50.3% 0.1374 0.0787)
OKLCH	oklch(50.3% 0.158 29.8)
XYZ	xyz(18.6096, 11.3759, 3.1349)
Luminance	0.1137 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3427 #279FAC

analogous

#AC275D #AC3427 #AC7727

triadic

#AC3427 #27AC34 #3427AC

tetradic

#AC3427 #5DAC27 #279FAC #7727AC

square

#AC3427 #5DAC27 #279FAC #7727AC

split-complementary

#AC3427 #27AC77 #275DAC

monochromatic

#481610 #7A251C #AC3427 #D34C3D #DE7A6F

Accessibility & contrast

On white

6.41

#AC3427 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#AC3427 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3427

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3427	#FFFFFF	#000000	##FFFFFF
##AC3427	1.00	6.41	3.27	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574E25

Deuteranopia (green-blind)

#756822

Tritanopia (blue-blind)

#BD0932

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #ac3427;
/* rgb */ color: rgb(172, 52, 39);
/* oklch */ color: oklch(50.3% 0.158 29.8);

Tailwind

colors: {
  custom: {
    50: '#cd7362',
    500: '#ac3427',
    950: '#000000',
  },
}

SCSS

$custom: #ac3427;
$custom-light: #cd7362;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3427",
  "rgb": {
    "r": 172,
    "g": 52,
    "b": 39
  },
  "hsl": {
    "h": 5.865,
    "s": 63.033,
    "l": 41.373
  },
  "oklch": {
    "l": 0.50295,
    "c": 0.15837,
    "h": 29.8
  },
  "luminance": 0.11373
}

Semantic roles & 50–950 ramp

primary

#AC3427

secondary

#6ABCC5

accent

#D6E642

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150805

muted

#837B79

Preview Lab

Preview with #AC3427

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

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