#551B89#551B89

#551B89 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.8% C 0.169 H 302.7°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#551B89
RGB	rgb(85, 27, 137)
HSL	hsl(272, 67%, 32%)
HSV	hsv(272, 80%, 54%)
CMYK	cmyk(38%, 80.3%, 0%, 46.3%)
CIE-LAB	lab(25.32, 46.80, -49.70)
CIE-LCH	lch(25.32, 68.26, 313.28°)
OKLab	oklab(37.75% 0.0911 -0.1418)
OKLCH	oklch(37.75% 0.169 302.7)
XYZ	xyz(8.6525, 4.5213, 24.0789)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.77

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551B89 #4F891B

analogous

#1E1B89 #551B89 #891B86

triadic

#551B89 #89551B #1B8955

tetradic

#551B89 #891E1B #4F891B #1B8689

square

#551B89 #891E1B #4F891B #1B8689

split-complementary

#551B89 #86891B #1B891E

monochromatic

#160723 #351156 #551B89 #7525BC #9344DA

Accessibility & contrast

On white

11.03

#551B89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#551B89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551B89

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551B89	#FFFFFF	#000000	##FFFFFF
##551B89	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8C

Deuteranopia (green-blind)

#003C87

Tritanopia (blue-blind)

#4A3852

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #551b89;
/* rgb */ color: rgb(85, 27, 137);
/* oklch */ color: oklch(37.8% 0.169 302.7);

Tailwind

colors: {
  custom: {
    50: '#8a5fac',
    500: '#551b89',
    950: '#000000',
  },
}

SCSS

$custom: #551b89;
$custom-light: #8a5fac;
$custom-dark: #000000;

JSON

{
  "hex": "#551b89",
  "rgb": {
    "r": 85,
    "g": 27,
    "b": 137
  },
  "hsl": {
    "h": 271.636,
    "s": 67.073,
    "l": 32.157
  },
  "oklch": {
    "l": 0.37754,
    "c": 0.16854,
    "h": 302.7
  },
  "luminance": 0.04521
}

Semantic roles & 50–950 ramp

primary

#551B89

secondary

#7DBC44

accent

#EA3E8F

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #551B89

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

Preview Lab → · Contrast checker → · Palette generator →