#551A71#551A71

#551A71 is a dark, vivid purple. Relative luminance 0.039; OKLCH L 35.7% C 0.145 H 312.3°. Best body text is #FFFFFF at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#551A71
RGB	rgb(85, 26, 113)
HSL	hsl(281, 63%, 27%)
HSV	hsv(281, 77%, 44%)
CMYK	cmyk(24.8%, 77%, 0%, 55.7%)
CIE-LAB	lab(23.21, 41.52, -37.91)
CIE-LCH	lch(23.21, 56.23, 317.60°)
OKLab	oklab(35.65% 0.0975 -0.1072)
OKLCH	oklch(35.65% 0.145 312.3)
XYZ	xyz(7.0958, 3.8625, 15.9913)
Luminance	0.0386 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551A71 #36711A

analogous

#2A1A71 #551A71 #711A61

triadic

#551A71 #71551A #1A7155

tetradic

#551A71 #712A1A #36711A #1A6171

square

#551A71 #712A1A #36711A #1A6171

split-complementary

#551A71 #61711A #1A712A

monochromatic

#130619 #300F3F #551A71 #7A25A3 #9E35D0

Accessibility & contrast

On white

11.85

#551A71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#551A71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551A71

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551A71	#FFFFFF	#000000	##FFFFFF
##551A71	1.00	11.85	1.77	11.85
#FFFFFF	11.85	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003473

Deuteranopia (green-blind)

#0F386F

Tritanopia (blue-blind)

#522E44

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #551a71;
/* rgb */ color: rgb(85, 26, 113);
/* oklch */ color: oklch(35.7% 0.145 312.3);

Tailwind

colors: {
  custom: {
    50: '#885d9a',
    500: '#551a71',
    950: '#000000',
  },
}

SCSS

$custom: #551a71;
$custom-light: #885d9a;
$custom-dark: #000000;

JSON

{
  "hex": "#551a71",
  "rgb": {
    "r": 85,
    "g": 26,
    "b": 113
  },
  "hsl": {
    "h": 280.69,
    "s": 62.59,
    "l": 27.255
  },
  "oklch": {
    "l": 0.35652,
    "c": 0.14487,
    "h": 312.3
  },
  "luminance": 0.03862
}

Semantic roles & 50–950 ramp

primary

#551A71

secondary

#61A641

accent

#E64277

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C040E

muted

#7D797E

Preview Lab

Preview with #551A71

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

Preview Lab → · Contrast checker → · Palette generator →