#551380#551380

#551380 is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.3% C 0.167 H 306.8°. Best body text is #FFFFFF at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#551380
RGB	rgb(85, 19, 128)
HSL	hsl(276, 74%, 29%)
HSV	hsv(276, 85%, 50%)
CMYK	cmyk(33.6%, 85.2%, 0%, 49.8%)
CIE-LAB	lab(23.52, 47.61, -46.98)
CIE-LCH	lch(23.52, 66.89, 315.38°)
OKLab	oklab(36.26% 0.1001 -0.1338)
OKLCH	oklch(36.26% 0.167 306.8)
XYZ	xyz(7.8746, 3.9556, 20.7666)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 2.95

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551380 #3E8013

analogous

#1E1380 #551380 #801375

triadic

#551380 #805513 #138055

tetradic

#551380 #801E13 #3E8013 #137580

square

#551380 #801E13 #3E8013 #137580

split-complementary

#551380 #758013 #13801E

monochromatic

#12041B #320B4B #551380 #781BB5 #9A2DE0

Accessibility & contrast

On white

11.72

#551380 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#551380 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551380

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551380	#FFFFFF	#000000	##FFFFFF
##551380	1.00	11.72	1.79	11.72
#FFFFFF	11.72	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003683

Deuteranopia (green-blind)

#00387E

Tritanopia (blue-blind)

#4D314B

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #551380;
/* rgb */ color: rgb(85, 19, 128);
/* oklch */ color: oklch(36.3% 0.167 306.8);

Tailwind

colors: {
  custom: {
    50: '#8a5ba6',
    500: '#551380',
    950: '#000000',
  },
}

SCSS

$custom: #551380;
$custom-light: #8a5ba6;
$custom-dark: #000000;

JSON

{
  "hex": "#551380",
  "rgb": {
    "r": 85,
    "g": 19,
    "b": 128
  },
  "hsl": {
    "h": 276.33,
    "s": 74.15,
    "l": 28.824
  },
  "oklch": {
    "l": 0.36256,
    "c": 0.16708,
    "h": 306.8
  },
  "luminance": 0.03956
}

Semantic roles & 50–950 ramp

primary

#551380

secondary

#6AB539

accent

#F13780

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C040F

muted

#7D797F

Preview Lab

Preview with #551380

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

Preview Lab → · Contrast checker → · Palette generator →