#AC2827#AC2827

#AC2827 is a mid, vivid red. Relative luminance 0.104; OKLCH L 49.1% C 0.169 H 26.4°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#AC2827
RGB	rgb(172, 40, 39)
HSL	hsl(0, 63%, 41%)
HSV	hsv(0, 77%, 67%)
CMYK	cmyk(0%, 76.7%, 77.3%, 32.5%)
CIE-LAB	lab(38.62, 52.46, 33.90)
CIE-LCH	lch(38.62, 62.46, 32.87°)
OKLab	oklab(49.11% 0.1513 0.075)
OKLCH	oklch(49.11% 0.169 26.4)
XYZ	xyz(18.1404, 10.4376, 2.9785)
Luminance	0.1043 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2827 #27ABAC

analogous

#AC2769 #AC2827 #AC6B27

triadic

#AC2827 #27AC28 #2827AC

tetradic

#AC2827 #69AC27 #27ABAC #6B27AC

square

#AC2827 #69AC27 #27ABAC #6B27AC

split-complementary

#AC2827 #27AC6B #2769AC

monochromatic

#481110 #7A1C1C #AC2827 #D33E3D #DE706F

Accessibility & contrast

On white

6.80

#AC2827 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#AC2827 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2827

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2827	#FFFFFF	#000000	##FFFFFF
##AC2827	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504925

Deuteranopia (green-blind)

#716522

Tritanopia (blue-blind)

#BE002A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #ac2827;
/* rgb */ color: rgb(172, 40, 39);
/* oklch */ color: oklch(49.1% 0.169 26.4);

Tailwind

colors: {
  custom: {
    50: '#ce6d62',
    500: '#ac2827',
    950: '#000000',
  },
}

SCSS

$custom: #ac2827;
$custom-light: #ce6d62;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2827",
  "rgb": {
    "r": 172,
    "g": 40,
    "b": 39
  },
  "hsl": {
    "h": 0.451,
    "s": 63.033,
    "l": 41.373
  },
  "oklch": {
    "l": 0.49108,
    "c": 0.16881,
    "h": 26.4
  },
  "luminance": 0.10435
}

Semantic roles & 50–950 ramp

primary

#AC2827

secondary

#6AC4C5

accent

#E5E642

background

#FDF6F5

surface

#FBECEA

border

#D4C7C6

text

#150805

muted

#837B79

Preview Lab

Preview with #AC2827

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

Preview Lab → · Contrast checker → · Palette generator →