#551C7E#551C7E

#551C7E is a dark, vivid violet. Relative luminance 0.043; OKLCH L 36.9% C 0.156 H 306.6°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#551C7E
RGB	rgb(85, 28, 126)
HSL	hsl(275, 64%, 30%)
HSV	hsv(275, 78%, 49%)
CMYK	cmyk(32.5%, 77.8%, 0%, 50.6%)
CIE-LAB	lab(24.54, 43.71, -44.06)
CIE-LCH	lch(24.54, 62.07, 314.77°)
OKLab	oklab(36.91% 0.0929 -0.1253)
OKLCH	oklch(36.91% 0.156 306.6)
XYZ	xyz(7.9266, 4.2682, 20.1409)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.21

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551C7E #457E1C

analogous

#241C7E #551C7E #7E1C76

triadic

#551C7E #7E551C #1C7E55

tetradic

#551C7E #7E241C #457E1C #1C767E

square

#551C7E #7E241C #457E1C #1C767E

split-complementary

#551C7E #767E1C #1C7E24

monochromatic

#11061A #33114C #551C7E #7727B0 #9640D5

Accessibility & contrast

On white

11.33

#551C7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#551C7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551C7E

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551C7E	#FFFFFF	#000000	##FFFFFF
##551C7E	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003981

Deuteranopia (green-blind)

#003B7C

Tritanopia (blue-blind)

#4E344C

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #551c7e;
/* rgb */ color: rgb(85, 28, 126);
/* oklch */ color: oklch(36.9% 0.156 306.6);

Tailwind

colors: {
  custom: {
    50: '#895fa4',
    500: '#551c7e',
    950: '#000000',
  },
}

SCSS

$custom: #551c7e;
$custom-light: #895fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#551c7e",
  "rgb": {
    "r": 85,
    "g": 28,
    "b": 126
  },
  "hsl": {
    "h": 274.898,
    "s": 63.636,
    "l": 30.196
  },
  "oklch": {
    "l": 0.36913,
    "c": 0.15597,
    "h": 306.6
  },
  "luminance": 0.04268
}

Semantic roles & 50–950 ramp

primary

#551C7E

secondary

#72B244

accent

#E74186

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #551C7E

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

Preview Lab → · Contrast checker → · Palette generator →