#551F8D#551F8D

#551F8D is a dark, vivid violet. Relative luminance 0.048; OKLCH L 38.5% C 0.169 H 300.9°. Best body text is #FFFFFF at 10.68:1 contrast (WCAG AA passes).

Color values

HEX	#551F8D
RGB	rgb(85, 31, 141)
HSL	hsl(269, 64%, 34%)
HSV	hsv(269, 78%, 55%)
CMYK	cmyk(39.7%, 78%, 0%, 44.7%)
CIE-LAB	lab(26.26, 46.11, -50.66)
CIE-LCH	lch(26.26, 68.51, 312.31°)
OKLab	oklab(38.52% 0.0865 -0.1447)
OKLCH	oklch(38.52% 0.169 300.9)
XYZ	xyz(9.0428, 4.8343, 25.6508)
Luminance	0.0483 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551F8D #578D1F

analogous

#1F208D #551F8D #8C1F8D

triadic

#551F8D #8D551F #1F8D55

tetradic

#551F8D #8D1F20 #578D1F #1F8D8C

square

#551F8D #8D1F20 #578D1F #1F8D8C

split-complementary

#551F8D #8D8C1F #208D1F

monochromatic

#190929 #37145B #551F8D #732ABF #924ED8

Accessibility & contrast

On white

10.68

#551F8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#551F8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551F8D

10.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551F8D	#FFFFFF	#000000	##FFFFFF
##551F8D	1.00	10.68	1.97	10.68
#FFFFFF	10.68	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E90

Deuteranopia (green-blind)

#003D8B

Tritanopia (blue-blind)

#483C55

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #551f8d;
/* rgb */ color: rgb(85, 31, 141);
/* oklch */ color: oklch(38.5% 0.169 300.9);

Tailwind

colors: {
  custom: {
    50: '#8b61af',
    500: '#551f8d',
    950: '#000000',
  },
}

SCSS

$custom: #551f8d;
$custom-light: #8b61af;
$custom-dark: #000000;

JSON

{
  "hex": "#551f8d",
  "rgb": {
    "r": 85,
    "g": 31,
    "b": 141
  },
  "hsl": {
    "h": 269.455,
    "s": 63.953,
    "l": 33.725
  },
  "oklch": {
    "l": 0.38515,
    "c": 0.16857,
    "h": 300.9
  },
  "luminance": 0.04834
}

Semantic roles & 50–950 ramp

primary

#551F8D

secondary

#85BB4D

accent

#E74195

background

#F8F5FA

surface

#F0EAF5

border

#CBC6CF

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #551F8D

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

Preview Lab → · Contrast checker → · Palette generator →