#551A77#551A77

#551A77 is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.1% C 0.151 H 309.6°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#551A77
RGB	rgb(85, 26, 119)
HSL	hsl(278, 64%, 28%)
HSV	hsv(278, 78%, 47%)
CMYK	cmyk(28.6%, 78.2%, 0%, 53.3%)
CIE-LAB	lab(23.68, 42.90, -41.01)
CIE-LCH	lch(23.68, 59.35, 316.30°)
OKLab	oklab(36.13% 0.0964 -0.1163)
OKLCH	oklch(36.13% 0.151 309.6)
XYZ	xyz(7.4448, 4.0021, 17.8295)
Luminance	0.0400 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551A77 #3C771A

analogous

#271A77 #551A77 #771A6A

triadic

#551A77 #77551A #1A7755

tetradic

#551A77 #77271A #3C771A #1A6A77

square

#551A77 #77271A #3C771A #1A6A77

split-complementary

#551A77 #6A771A #1A7727

monochromatic

#120519 #310F45 #551A77 #7925A9 #9B38D3

Accessibility & contrast

On white

11.66

#551A77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#551A77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551A77

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551A77	#FFFFFF	#000000	##FFFFFF
##551A77	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00367A

Deuteranopia (green-blind)

#013975

Tritanopia (blue-blind)

#503047

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #551a77;
/* rgb */ color: rgb(85, 26, 119);
/* oklch */ color: oklch(36.1% 0.151 309.6);

Tailwind

colors: {
  custom: {
    50: '#895d9f',
    500: '#551a77',
    950: '#000000',
  },
}

SCSS

$custom: #551a77;
$custom-light: #895d9f;
$custom-dark: #000000;

JSON

{
  "hex": "#551a77",
  "rgb": {
    "r": 85,
    "g": 26,
    "b": 119
  },
  "hsl": {
    "h": 278.065,
    "s": 64.138,
    "l": 28.431
  },
  "oklch": {
    "l": 0.36129,
    "c": 0.15102,
    "h": 309.6
  },
  "luminance": 0.04002
}

Semantic roles & 50–950 ramp

primary

#551A77

secondary

#68AC41

accent

#E7417E

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #551A77

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

Preview Lab → · Contrast checker → · Palette generator →