#551F8E#551F8E

#551F8E is a dark, vivid violet. Relative luminance 0.049; OKLCH L 38.6% C 0.170 H 300.5°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#551F8E
RGB	rgb(85, 31, 142)
HSL	hsl(269, 64%, 34%)
HSV	hsv(269, 78%, 56%)
CMYK	cmyk(40.1%, 78.2%, 0%, 44.3%)
CIE-LAB	lab(26.34, 46.37, -51.14)
CIE-LCH	lch(26.34, 69.03, 312.20°)
OKLab	oklab(38.6% 0.0862 -0.1461)
OKLCH	oklch(38.6% 0.17 300.5)
XYZ	xyz(9.1176, 4.8642, 26.0445)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551F8E #588E1F

analogous

#1F218E #551F8E #8D1F8E

triadic

#551F8E #8E551F #1F8E55

tetradic

#551F8E #8E1F21 #588E1F #1F8E8D

square

#551F8E #8E1F21 #588E1F #1F8E8D

split-complementary

#551F8E #8E8D1F #218E1F

monochromatic

#19092A #37145C #551F8E #732AC0 #924FD9

Accessibility & contrast

On white

10.64

#551F8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#551F8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551F8E

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551F8E	#FFFFFF	#000000	##FFFFFF
##551F8E	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E91

Deuteranopia (green-blind)

#003E8C

Tritanopia (blue-blind)

#483C56

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #551f8e;
/* rgb */ color: rgb(85, 31, 142);
/* oklch */ color: oklch(38.6% 0.170 300.5);

Tailwind

colors: {
  custom: {
    50: '#8b61b0',
    500: '#551f8e',
    950: '#000000',
  },
}

SCSS

$custom: #551f8e;
$custom-light: #8b61b0;
$custom-dark: #000000;

JSON

{
  "hex": "#551f8e",
  "rgb": {
    "r": 85,
    "g": 31,
    "b": 142
  },
  "hsl": {
    "h": 269.189,
    "s": 64.162,
    "l": 33.922
  },
  "oklch": {
    "l": 0.38603,
    "c": 0.16964,
    "h": 300.5
  },
  "luminance": 0.04864
}

Semantic roles & 50–950 ramp

primary

#551F8E

secondary

#86BB4D

accent

#E74196

background

#F8F5FA

surface

#F0EAF5

border

#CBC6CF

text

#0C0511

muted

#7D7980

Preview Lab

Preview with #551F8E

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

Preview Lab → · Contrast checker → · Palette generator →