#551D91#551D91

#551D91 is a dark, vivid violet. Relative luminance 0.049; OKLCH L 38.7% C 0.175 H 299.9°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#551D91
RGB	rgb(85, 29, 145)
HSL	hsl(269, 67%, 34%)
HSV	hsv(269, 80%, 57%)
CMYK	cmyk(41.4%, 80%, 0%, 43.1%)
CIE-LAB	lab(26.32, 47.97, -53.05)
CIE-LCH	lch(26.32, 71.52, 312.12°)
OKLab	oklab(38.66% 0.0871 -0.1517)
OKLCH	oklch(38.66% 0.175 299.9)
XYZ	xyz(9.2952, 4.8543, 27.2298)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551D91 #59911D

analogous

#1D1F91 #551D91 #8F1D91

triadic

#551D91 #91551D #1D9155

tetradic

#551D91 #911D1F #59911D #1D918F

square

#551D91 #911D1F #59911D #1D918F

split-complementary

#551D91 #918F1D #1F911D

monochromatic

#19092B #37135E #551D91 #7327C4 #924DDB

Accessibility & contrast

On white

10.66

#551D91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#551D91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551D91

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551D91	#FFFFFF	#000000	##FFFFFF
##551D91	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E94

Deuteranopia (green-blind)

#003D8F

Tritanopia (blue-blind)

#473D57

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #551d91;
/* rgb */ color: rgb(85, 29, 145);
/* oklch */ color: oklch(38.7% 0.175 299.9);

Tailwind

colors: {
  custom: {
    50: '#8b60b2',
    500: '#551d91',
    950: '#000000',
  },
}

SCSS

$custom: #551d91;
$custom-light: #8b60b2;
$custom-dark: #000000;

JSON

{
  "hex": "#551d91",
  "rgb": {
    "r": 85,
    "g": 29,
    "b": 145
  },
  "hsl": {
    "h": 268.966,
    "s": 66.667,
    "l": 34.118
  },
  "oklch": {
    "l": 0.38664,
    "c": 0.1749,
    "h": 299.9
  },
  "luminance": 0.04854
}

Semantic roles & 50–950 ramp

primary

#551D91

secondary

#87BE4C

accent

#EA3E97

background

#F8F5FB

surface

#F0EAF6

border

#CBC6D0

text

#0D0511

muted

#7D7980

Preview Lab

Preview with #551D91

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

Preview Lab → · Contrast checker → · Palette generator →