#551D9A#551D9A

#551D9A is a dark, vivid violet. Relative luminance 0.051; OKLCH L 39.5% C 0.184 H 297.2°. Best body text is #FFFFFF at 10.35:1 contrast (WCAG AA passes).

Color values

HEX	#551D9A
RGB	rgb(85, 29, 154)
HSL	hsl(267, 68%, 36%)
HSV	hsv(267, 81%, 60%)
CMYK	cmyk(44.8%, 81.2%, 0%, 39.6%)
CIE-LAB	lab(27.14, 50.24, -57.24)
CIE-LCH	lch(27.14, 76.16, 311.27°)
OKLab	oklab(39.49% 0.0843 -0.164)
OKLCH	oklch(39.49% 0.184 297.2)
XYZ	xyz(10.0169, 5.1429, 31.0305)
Luminance	0.0514 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551D9A #629A1D

analogous

#1D239A #551D9A #931D9A

triadic

#551D9A #9A551D #1D9A55

tetradic

#551D9A #9A1D23 #629A1D #1D9A93

square

#551D9A #9A1D23 #629A1D #1D9A93

split-complementary

#551D9A #9A931D #239A1D

monochromatic

#1C0A33 #391366 #551D9A #7127CE #9153DF

Accessibility & contrast

On white

10.35

#551D9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#551D9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551D9A

10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551D9A	#FFFFFF	#000000	##FFFFFF
##551D9A	1.00	10.35	2.03	10.35
#FFFFFF	10.35	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00419D

Deuteranopia (green-blind)

#003F98

Tritanopia (blue-blind)

#43405C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #551d9a;
/* rgb */ color: rgb(85, 29, 154);
/* oklch */ color: oklch(39.5% 0.184 297.2);

Tailwind

colors: {
  custom: {
    50: '#8c61b9',
    500: '#551d9a',
    950: '#000000',
  },
}

SCSS

$custom: #551d9a;
$custom-light: #8c61b9;
$custom-dark: #000000;

JSON

{
  "hex": "#551d9a",
  "rgb": {
    "r": 85,
    "g": 29,
    "b": 154
  },
  "hsl": {
    "h": 266.88,
    "s": 68.306,
    "l": 35.882
  },
  "oklch": {
    "l": 0.39489,
    "c": 0.18438,
    "h": 297.2
  },
  "luminance": 0.05143
}

Semantic roles & 50–950 ramp

primary

#551D9A

secondary

#8FC251

accent

#EB3D9D

background

#F9F6FB

surface

#F1EBF6

border

#CBC6D0

text

#0D0512

muted

#7E7A81

Preview Lab

Preview with #551D9A

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

Preview Lab → · Contrast checker → · Palette generator →