#551C7F#551C7F

#551C7F is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.0% C 0.157 H 306.2°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#551C7F
RGB	rgb(85, 28, 127)
HSL	hsl(275, 64%, 30%)
HSV	hsv(275, 78%, 50%)
CMYK	cmyk(33.1%, 78%, 0%, 50.2%)
CIE-LAB	lab(24.62, 43.95, -44.56)
CIE-LCH	lch(24.62, 62.59, 314.61°)
OKLab	oklab(37% 0.0927 -0.1267)
OKLCH	oklch(37% 0.157 306.2)
XYZ	xyz(7.9915, 4.2942, 20.4824)
Luminance	0.0429 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.14

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551C7F #467F1C

analogous

#231C7F #551C7F #7F1C78

triadic

#551C7F #7F551C #1C7F55

tetradic

#551C7F #7F231C #467F1C #1C787F

square

#551C7F #7F231C #467F1C #1C787F

split-complementary

#551C7F #787F1C #1C7F23

monochromatic

#12061B #33114D #551C7F #7727B1 #9640D5

Accessibility & contrast

On white

11.30

#551C7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#551C7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551C7F

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551C7F	#FFFFFF	#000000	##FFFFFF
##551C7F	1.00	11.30	1.86	11.30
#FFFFFF	11.30	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003982

Deuteranopia (green-blind)

#003B7D

Tritanopia (blue-blind)

#4E354C

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #551c7f;
/* rgb */ color: rgb(85, 28, 127);
/* oklch */ color: oklch(37.0% 0.157 306.2);

Tailwind

colors: {
  custom: {
    50: '#895fa5',
    500: '#551c7f',
    950: '#000000',
  },
}

SCSS

$custom: #551c7f;
$custom-light: #895fa5;
$custom-dark: #000000;

JSON

{
  "hex": "#551c7f",
  "rgb": {
    "r": 85,
    "g": 28,
    "b": 127
  },
  "hsl": {
    "h": 274.545,
    "s": 63.871,
    "l": 30.392
  },
  "oklch": {
    "l": 0.36997,
    "c": 0.15702,
    "h": 306.2
  },
  "luminance": 0.04294
}

Semantic roles & 50–950 ramp

primary

#551C7F

secondary

#73B344

accent

#E74187

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #551C7F

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

Preview Lab → · Contrast checker → · Palette generator →