#AC2729#AC2729

#AC2729 is a mid, vivid red. Relative luminance 0.104; OKLCH L 49.0% C 0.169 H 25.4°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#AC2729
RGB	rgb(172, 39, 41)
HSL	hsl(359, 63%, 41%)
HSV	hsv(359, 77%, 67%)
CMYK	cmyk(0%, 77.3%, 76.2%, 32.5%)
CIE-LAB	lab(38.52, 52.86, 32.63)
CIE-LCH	lch(38.52, 62.12, 31.69°)
OKLab	oklab(49.05% 0.153 0.0727)
OKLCH	oklch(49.05% 0.169 25.4)
XYZ	xyz(18.1412, 10.3846, 3.1466)
Luminance	0.1038 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2729 #27ACAA

analogous

#AC276C #AC2729 #AC6827

triadic

#AC2729 #29AC27 #2729AC

tetradic

#AC2729 #6CAC27 #27ACAA #6827AC

square

#AC2729 #6CAC27 #27ACAA #6827AC

split-complementary

#AC2729 #27AC68 #276CAC

monochromatic

#481011 #7A1C1D #AC2729 #D33D3F #DE6F71

Accessibility & contrast

On white

6.83

#AC2729 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#AC2729 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2729

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2729	#FFFFFF	#000000	##FFFFFF
##AC2729	1.00	6.83	3.08	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504827

Deuteranopia (green-blind)

#716524

Tritanopia (blue-blind)

#BE002A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #ac2729;
/* rgb */ color: rgb(172, 39, 41);
/* oklch */ color: oklch(49.0% 0.169 25.4);

Tailwind

colors: {
  custom: {
    50: '#cd6d63',
    500: '#ac2729',
    950: '#000000',
  },
}

SCSS

$custom: #ac2729;
$custom-light: #cd6d63;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2729",
  "rgb": {
    "r": 172,
    "g": 39,
    "b": 41
  },
  "hsl": {
    "h": 359.098,
    "s": 63.033,
    "l": 41.373
  },
  "oklch": {
    "l": 0.49047,
    "c": 0.16937,
    "h": 25.4
  },
  "luminance": 0.10382
}

Semantic roles & 50–950 ramp

primary

#AC2729

secondary

#6AC5C4

accent

#E6E442

background

#FDF6F5

surface

#FBECEA

border

#D4C7C6

text

#150805

muted

#837B79

Preview Lab

Preview with #AC2729

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

Preview Lab → · Contrast checker → · Palette generator →