#551C7D#551C7D

#551C7D is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.8% C 0.155 H 307.0°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#551C7D
RGB	rgb(85, 28, 125)
HSL	hsl(275, 63%, 30%)
HSV	hsv(275, 78%, 49%)
CMYK	cmyk(32%, 77.6%, 0%, 51%)
CIE-LAB	lab(24.46, 43.47, -43.56)
CIE-LCH	lch(24.46, 61.54, 314.94°)
OKLab	oklab(36.83% 0.0931 -0.1238)
OKLCH	oklch(36.83% 0.155 307)
XYZ	xyz(7.8624, 4.2426, 19.8028)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.29

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551C7D #447D1C

analogous

#251C7D #551C7D #7D1C74

triadic

#551C7D #7D551C #1C7D55

tetradic

#551C7D #7D251C #447D1C #1C747D

square

#551C7D #7D251C #447D1C #1C747D

split-complementary

#551C7D #747D1C #1C7D25

monochromatic

#110619 #33114B #551C7D #7727AF #973FD4

Accessibility & contrast

On white

11.36

#551C7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#551C7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551C7D

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551C7D	#FFFFFF	#000000	##FFFFFF
##551C7D	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003880

Deuteranopia (green-blind)

#003A7B

Tritanopia (blue-blind)

#4E344B

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #551c7d;
/* rgb */ color: rgb(85, 28, 125);
/* oklch */ color: oklch(36.8% 0.155 307.0);

Tailwind

colors: {
  custom: {
    50: '#895fa3',
    500: '#551c7d',
    950: '#000000',
  },
}

SCSS

$custom: #551c7d;
$custom-light: #895fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#551c7d",
  "rgb": {
    "r": 85,
    "g": 28,
    "b": 125
  },
  "hsl": {
    "h": 275.258,
    "s": 63.399,
    "l": 30
  },
  "oklch": {
    "l": 0.3683,
    "c": 0.15492,
    "h": 307
  },
  "luminance": 0.04242
}

Semantic roles & 50–950 ramp

primary

#551C7D

secondary

#71B144

accent

#E64185

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #551C7D

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

Preview Lab → · Contrast checker → · Palette generator →