#AC3727#AC3727

#AC3727 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.6% C 0.156 H 30.8°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#AC3727
RGB	rgb(172, 55, 39)
HSL	hsl(7, 63%, 41%)
HSV	hsv(7, 77%, 67%)
CMYK	cmyk(0%, 68%, 77.3%, 32.5%)
CIE-LAB	lab(40.66, 46.84, 36.09)
CIE-LCH	lch(40.66, 59.13, 37.61°)
OKLab	oklab(50.63% 0.1336 0.0797)
OKLCH	oklch(50.63% 0.156 30.8)
XYZ	xyz(18.7478, 11.6523, 3.1810)
Luminance	0.1165 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3727 #279CAC

analogous

#AC275A #AC3727 #AC7A27

triadic

#AC3727 #27AC37 #3727AC

tetradic

#AC3727 #5AAC27 #279CAC #7A27AC

square

#AC3727 #5AAC27 #279CAC #7A27AC

split-complementary

#AC3727 #27AC7A #275AAC

monochromatic

#481710 #7A271C #AC3727 #D34F3D #DE7C6F

Accessibility & contrast

On white

6.31

#AC3727 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#AC3727 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3727

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3727	#FFFFFF	#000000	##FFFFFF
##AC3727	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595024

Deuteranopia (green-blind)

#766923

Tritanopia (blue-blind)

#BD1234

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #ac3727;
/* rgb */ color: rgb(172, 55, 39);
/* oklch */ color: oklch(50.6% 0.156 30.8);

Tailwind

colors: {
  custom: {
    50: '#cd7462',
    500: '#ac3727',
    950: '#000000',
  },
}

SCSS

$custom: #ac3727;
$custom-light: #cd7462;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3727",
  "rgb": {
    "r": 172,
    "g": 55,
    "b": 39
  },
  "hsl": {
    "h": 7.218,
    "s": 63.033,
    "l": 41.373
  },
  "oklch": {
    "l": 0.50634,
    "c": 0.15558,
    "h": 30.8
  },
  "luminance": 0.1165
}

Semantic roles & 50–950 ramp

primary

#AC3727

secondary

#6ABAC5

accent

#D2E642

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150905

muted

#837B79

Preview Lab

Preview with #AC3727

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

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