#551F90#551F90

#551F90 is a dark, vivid violet. Relative luminance 0.049; OKLCH L 38.8% C 0.172 H 299.9°. Best body text is #FFFFFF at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#551F90
RGB	rgb(85, 31, 144)
HSL	hsl(269, 65%, 34%)
HSV	hsv(269, 78%, 56%)
CMYK	cmyk(41%, 78.5%, 0%, 43.5%)
CIE-LAB	lab(26.52, 46.87, -52.10)
CIE-LCH	lch(26.52, 70.08, 311.98°)
OKLab	oklab(38.78% 0.0857 -0.1489)
OKLCH	oklch(38.78% 0.172 299.9)
XYZ	xyz(9.2691, 4.9248, 26.8424)
Luminance	0.0493 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551F90 #5A901F

analogous

#1F2190 #551F90 #8E1F90

triadic

#551F90 #90551F #1F9055

tetradic

#551F90 #901F21 #5A901F #1F908E

square

#551F90 #901F21 #5A901F #1F908E

split-complementary

#551F90 #908E1F #21901F

monochromatic

#1A092B #37145E #551F90 #732AC2 #9250D9

Accessibility & contrast

On white

10.58

#551F90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#551F90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551F90

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551F90	#FFFFFF	#000000	##FFFFFF
##551F90	1.00	10.58	1.99	10.58
#FFFFFF	10.58	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E93

Deuteranopia (green-blind)

#003E8E

Tritanopia (blue-blind)

#473D57

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #551f90;
/* rgb */ color: rgb(85, 31, 144);
/* oklch */ color: oklch(38.8% 0.172 299.9);

Tailwind

colors: {
  custom: {
    50: '#8b61b1',
    500: '#551f90',
    950: '#000000',
  },
}

SCSS

$custom: #551f90;
$custom-light: #8b61b1;
$custom-dark: #000000;

JSON

{
  "hex": "#551f90",
  "rgb": {
    "r": 85,
    "g": 31,
    "b": 144
  },
  "hsl": {
    "h": 268.673,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.3878,
    "c": 0.17179,
    "h": 299.9
  },
  "luminance": 0.04925
}

Semantic roles & 50–950 ramp

primary

#551F90

secondary

#88BC4E

accent

#E84098

background

#F8F6FB

surface

#F0EBF6

border

#CBC6D0

text

#0D0511

muted

#7D7A80

Preview Lab

Preview with #551F90

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

Preview Lab → · Contrast checker → · Palette generator →