#551D77#551D77

#551D77 is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.5% C 0.147 H 309.3°. Best body text is #FFFFFF at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#551D77
RGB	rgb(85, 29, 119)
HSL	hsl(277, 61%, 29%)
HSV	hsv(277, 76%, 47%)
CMYK	cmyk(28.6%, 75.6%, 0%, 53.3%)
CIE-LAB	lab(24.14, 41.60, -40.27)
CIE-LCH	lch(24.14, 57.90, 315.93°)
OKLab	oklab(36.45% 0.0933 -0.1141)
OKLCH	oklch(36.45% 0.147 309.3)
XYZ	xyz(7.5148, 4.1421, 17.8528)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551D77 #3F771D

analogous

#281D77 #551D77 #771D6C

triadic

#551D77 #77551D #1D7755

tetradic

#551D77 #77281D #3F771D #1D6C77

square

#551D77 #77281D #3F771D #1D6C77

split-complementary

#551D77 #6C771D #1D7728

monochromatic

#120619 #321146 #551D77 #7829A8 #993ED0

Accessibility & contrast

On white

11.49

#551D77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#551D77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551D77

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551D77	#FFFFFF	#000000	##FFFFFF
##551D77	1.00	11.49	1.83	11.49
#FFFFFF	11.49	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377A

Deuteranopia (green-blind)

#063A75

Tritanopia (blue-blind)

#503248

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #551d77;
/* rgb */ color: rgb(85, 29, 119);
/* oklch */ color: oklch(36.5% 0.147 309.3);

Tailwind

colors: {
  custom: {
    50: '#895f9f',
    500: '#551d77',
    950: '#000000',
  },
}

SCSS

$custom: #551d77;
$custom-light: #895f9f;
$custom-dark: #000000;

JSON

{
  "hex": "#551d77",
  "rgb": {
    "r": 85,
    "g": 29,
    "b": 119
  },
  "hsl": {
    "h": 277.333,
    "s": 60.811,
    "l": 29.02
  },
  "oklch": {
    "l": 0.36453,
    "c": 0.1474,
    "h": 309.3
  },
  "luminance": 0.04142
}

Semantic roles & 50–950 ramp

primary

#551D77

secondary

#6BAB45

accent

#E44480

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #551D77

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

Preview Lab → · Contrast checker → · Palette generator →