#551C8D#551C8D

#551C8D is a dark, vivid violet. Relative luminance 0.047; OKLCH L 38.2% C 0.172 H 301.3°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#551C8D
RGB	rgb(85, 28, 141)
HSL	hsl(270, 67%, 33%)
HSV	hsv(270, 80%, 55%)
CMYK	cmyk(39.7%, 80.1%, 0%, 44.7%)
CIE-LAB	lab(25.82, 47.38, -51.38)
CIE-LCH	lch(25.82, 69.89, 312.68°)
OKLab	oklab(38.21% 0.0891 -0.1468)
OKLCH	oklch(38.21% 0.172 301.3)
XYZ	xyz(8.9681, 4.6848, 25.6259)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551C8D #548D1C

analogous

#1C1C8D #551C8D #8D1C8C

triadic

#551C8D #8D551C #1C8D55

tetradic

#551C8D #8D1C1C #548D1C #1C8C8D

square

#551C8D #8D1C1C #548D1C #1C8C8D

split-complementary

#551C8D #8C8D1C #1C8D1C

monochromatic

#170827 #36125A #551C8D #7426C0 #9249DB

Accessibility & contrast

On white

10.84

#551C8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#551C8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551C8D

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551C8D	#FFFFFF	#000000	##FFFFFF
##551C8D	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D90

Deuteranopia (green-blind)

#003C8B

Tritanopia (blue-blind)

#483A54

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #551c8d;
/* rgb */ color: rgb(85, 28, 141);
/* oklch */ color: oklch(38.2% 0.172 301.3);

Tailwind

colors: {
  custom: {
    50: '#8b60af',
    500: '#551c8d',
    950: '#000000',
  },
}

SCSS

$custom: #551c8d;
$custom-light: #8b60af;
$custom-dark: #000000;

JSON

{
  "hex": "#551c8d",
  "rgb": {
    "r": 85,
    "g": 28,
    "b": 141
  },
  "hsl": {
    "h": 270.265,
    "s": 66.864,
    "l": 33.137
  },
  "oklch": {
    "l": 0.38207,
    "c": 0.1717,
    "h": 301.3
  },
  "luminance": 0.04685
}

Semantic roles & 50–950 ramp

primary

#551C8D

secondary

#82BD48

accent

#EA3E93

background

#F8F5FA

surface

#F0EAF5

border

#CBC6CF

text

#0D0510

muted

#7D797F

Preview Lab

Preview with #551C8D

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

Preview Lab → · Contrast checker → · Palette generator →