#AC2727#AC2727

#AC2727 is a mid, vivid red. Relative luminance 0.104; OKLCH L 49.0% C 0.170 H 26.1°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#AC2727
RGB	rgb(172, 39, 39)
HSL	hsl(0, 63%, 41%)
HSV	hsv(0, 77%, 67%)
CMYK	cmyk(0%, 77.3%, 77.3%, 32.5%)
CIE-LAB	lab(38.50, 52.79, 33.78)
CIE-LCH	lch(38.50, 62.67, 32.62°)
OKLab	oklab(49.02% 0.1523 0.0747)
OKLCH	oklch(49.02% 0.17 26.1)
XYZ	xyz(18.1071, 10.3710, 2.9675)
Luminance	0.1037 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2727 #27ACAC

analogous

#AC276A #AC2727 #AC6A27

triadic

#AC2727 #27AC27 #2727AC

tetradic

#AC2727 #6AAC27 #27ACAC #6A27AC

square

#AC2727 #6AAC27 #27ACAC #6A27AC

split-complementary

#AC2727 #27AC6A #276AAC

monochromatic

#481010 #7A1C1C #AC2727 #D33D3D #DE6F6F

Accessibility & contrast

On white

6.83

#AC2727 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#AC2727 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2727

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2727	#FFFFFF	#000000	##FFFFFF
##AC2727	1.00	6.83	3.07	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504825

Deuteranopia (green-blind)

#716522

Tritanopia (blue-blind)

#BE0029

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #ac2727;
/* rgb */ color: rgb(172, 39, 39);
/* oklch */ color: oklch(49.0% 0.170 26.1);

Tailwind

colors: {
  custom: {
    50: '#ce6d62',
    500: '#ac2727',
    950: '#000000',
  },
}

SCSS

$custom: #ac2727;
$custom-light: #ce6d62;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2727",
  "rgb": {
    "r": 172,
    "g": 39,
    "b": 39
  },
  "hsl": {
    "h": 0,
    "s": 63.033,
    "l": 41.373
  },
  "oklch": {
    "l": 0.49022,
    "c": 0.16961,
    "h": 26.1
  },
  "luminance": 0.10368
}

Semantic roles & 50–950 ramp

primary

#AC2727

secondary

#6AC5C5

accent

#E6E642

background

#FDF6F5

surface

#FBECEA

border

#D4C7C6

text

#150805

muted

#837B79

Preview Lab

Preview with #AC2727

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

Preview Lab → · Contrast checker → · Palette generator →