#551A8D#551A8D

#551A8D is a dark, vivid violet. Relative luminance 0.046; OKLCH L 38.0% C 0.174 H 301.5°. Best body text is #FFFFFF at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#551A8D
RGB	rgb(85, 26, 141)
HSL	hsl(271, 69%, 33%)
HSV	hsv(271, 82%, 55%)
CMYK	cmyk(39.7%, 81.6%, 0%, 44.7%)
CIE-LAB	lab(25.54, 48.18, -51.83)
CIE-LCH	lch(25.54, 70.76, 312.91°)
OKLab	oklab(38.02% 0.0907 -0.1481)
OKLCH	oklch(38.02% 0.174 301.5)
XYZ	xyz(8.9222, 4.5931, 25.6106)
Luminance	0.0459 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551A8D #528D1A

analogous

#1C1A8D #551A8D #8D1A8B

triadic

#551A8D #8D551A #1A8D55

tetradic

#551A8D #8D1C1A #528D1A #1A8B8D

square

#551A8D #8D1C1A #528D1A #1A8B8D

split-complementary

#551A8D #8B8D1A #1A8D1C

monochromatic

#170726 #361059 #551A8D #7424C1 #9345DD

Accessibility & contrast

On white

10.95

#551A8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#551A8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551A8D

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551A8D	#FFFFFF	#000000	##FFFFFF
##551A8D	1.00	10.95	1.92	10.95
#FFFFFF	10.95	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C90

Deuteranopia (green-blind)

#003C8B

Tritanopia (blue-blind)

#483A54

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #551a8d;
/* rgb */ color: rgb(85, 26, 141);
/* oklch */ color: oklch(38.0% 0.174 301.5);

Tailwind

colors: {
  custom: {
    50: '#8b5faf',
    500: '#551a8d',
    950: '#000000',
  },
}

SCSS

$custom: #551a8d;
$custom-light: #8b5faf;
$custom-dark: #000000;

JSON

{
  "hex": "#551a8d",
  "rgb": {
    "r": 85,
    "g": 26,
    "b": 141
  },
  "hsl": {
    "h": 270.783,
    "s": 68.862,
    "l": 32.745
  },
  "oklch": {
    "l": 0.38015,
    "c": 0.17367,
    "h": 301.5
  },
  "luminance": 0.04593
}

Semantic roles & 50–950 ramp

primary

#551A8D

secondary

#80BE45

accent

#EC3C92

background

#F8F5FA

surface

#F0EAF5

border

#CBC6CF

text

#0D0510

muted

#7D797F

Preview Lab

Preview with #551A8D

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

Preview Lab → · Contrast checker → · Palette generator →