#551C9D#551C9D

#551C9D is a dark, vivid violet. Relative luminance 0.052; OKLCH L 39.7% C 0.188 H 296.5°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#551C9D
RGB	rgb(85, 28, 157)
HSL	hsl(267, 70%, 36%)
HSV	hsv(267, 82%, 62%)
CMYK	cmyk(45.9%, 82.2%, 0%, 38.4%)
CIE-LAB	lab(27.29, 51.38, -58.83)
CIE-LCH	lch(27.29, 78.11, 311.13°)
OKLab	oklab(39.68% 0.0841 -0.1686)
OKLCH	oklch(39.68% 0.188 296.5)
XYZ	xyz(10.2457, 5.1959, 32.3548)
Luminance	0.0520 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551C9D #649D1C

analogous

#1C239D #551C9D #961C9D

triadic

#551C9D #9D551C #1C9D55

tetradic

#551C9D #9D1C23 #649D1C #1C9D96

square

#551C9D #9D1C23 #649D1C #1C9D96

split-complementary

#551C9D #9D961C #239D1C

monochromatic

#1D0935 #391369 #551C9D #7125D1 #9153E0

Accessibility & contrast

On white

10.30

#551C9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#551C9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551C9D

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551C9D	#FFFFFF	#000000	##FFFFFF
##551C9D	1.00	10.30	2.04	10.30
#FFFFFF	10.30	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A0

Deuteranopia (green-blind)

#003F9B

Tritanopia (blue-blind)

#41415E

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #551c9d;
/* rgb */ color: rgb(85, 28, 157);
/* oklch */ color: oklch(39.7% 0.188 296.5);

Tailwind

colors: {
  custom: {
    50: '#8d60bb',
    500: '#551c9d',
    950: '#000000',
  },
}

SCSS

$custom: #551c9d;
$custom-light: #8d60bb;
$custom-dark: #000000;

JSON

{
  "hex": "#551c9d",
  "rgb": {
    "r": 85,
    "g": 28,
    "b": 157
  },
  "hsl": {
    "h": 266.512,
    "s": 69.73,
    "l": 36.275
  },
  "oklch": {
    "l": 0.39678,
    "c": 0.18842,
    "h": 296.5
  },
  "luminance": 0.05196
}

Semantic roles & 50–950 ramp

primary

#551C9D

secondary

#91C351

accent

#ED3B9E

background

#F9F6FB

surface

#F1EBF6

border

#CBC6D0

text

#0D0512

muted

#7E7A81

Preview Lab

Preview with #551C9D

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

Preview Lab → · Contrast checker → · Palette generator →