#551F9A#551F9A

#551F9A is a dark, vivid violet. Relative luminance 0.052; OKLCH L 39.7% C 0.182 H 297.0°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#551F9A
RGB	rgb(85, 31, 154)
HSL	hsl(266, 66%, 36%)
HSV	hsv(266, 80%, 60%)
CMYK	cmyk(44.8%, 79.9%, 0%, 39.6%)
CIE-LAB	lab(27.42, 49.42, -56.78)
CIE-LCH	lch(27.42, 75.27, 311.04°)
OKLab	oklab(39.68% 0.0828 -0.1626)
OKLCH	oklch(39.68% 0.182 297)
XYZ	xyz(10.0675, 5.2442, 31.0474)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551F9A #649A1F

analogous

#1F279A #551F9A #931F9A

triadic

#551F9A #9A551F #1F9A55

tetradic

#551F9A #9A1F27 #649A1F #1F9A93

square

#551F9A #9A1F27 #649A1F #1F9A93

split-complementary

#551F9A #9A931F #279A1F

monochromatic

#1D0A34 #391567 #551F9A #7129CD #9156DD

Accessibility & contrast

On white

10.25

#551F9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#551F9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551F9A

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551F9A	#FFFFFF	#000000	##FFFFFF
##551F9A	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00419D

Deuteranopia (green-blind)

#003F98

Tritanopia (blue-blind)

#42415C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #551f9a;
/* rgb */ color: rgb(85, 31, 154);
/* oklch */ color: oklch(39.7% 0.182 297.0);

Tailwind

colors: {
  custom: {
    50: '#8c62b9',
    500: '#551f9a',
    950: '#000000',
  },
}

SCSS

$custom: #551f9a;
$custom-light: #8c62b9;
$custom-dark: #000000;

JSON

{
  "hex": "#551f9a",
  "rgb": {
    "r": 85,
    "g": 31,
    "b": 154
  },
  "hsl": {
    "h": 266.341,
    "s": 66.486,
    "l": 36.275
  },
  "oklch": {
    "l": 0.39685,
    "c": 0.18249,
    "h": 297
  },
  "luminance": 0.05244
}

Semantic roles & 50–950 ramp

primary

#551F9A

secondary

#91C154

accent

#E93E9E

background

#F9F6FB

surface

#F1EBF6

border

#CBC6D0

text

#0D0512

muted

#7E7A81

Preview Lab

Preview with #551F9A

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

Preview Lab → · Contrast checker → · Palette generator →