#551C9F#551C9F

#551C9F is a dark, vivid violet. Relative luminance 0.053; OKLCH L 39.9% C 0.191 H 296.0°. Best body text is #FFFFFF at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#551C9F
RGB	rgb(85, 28, 159)
HSL	hsl(266, 70%, 37%)
HSV	hsv(266, 82%, 62%)
CMYK	cmyk(46.5%, 82.4%, 0%, 37.6%)
CIE-LAB	lab(27.48, 51.89, -59.74)
CIE-LCH	lch(27.48, 79.13, 310.98°)
OKLab	oklab(39.87% 0.0834 -0.1713)
OKLCH	oklch(39.87% 0.191 296)
XYZ	xyz(10.4179, 5.2647, 33.2615)
Luminance	0.0527 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551C9F #669F1C

analogous

#1C259F #551C9F #971C9F

triadic

#551C9F #9F551C #1C9F55

tetradic

#551C9F #9F1C25 #669F1C #1C9F97

square

#551C9F #9F1C25 #669F1C #1C9F97

split-complementary

#551C9F #9F971C #259F1C

monochromatic

#1D0A37 #39136B #551C9F #7125D3 #9254E1

Accessibility & contrast

On white

10.23

#551C9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#551C9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551C9F

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551C9F	#FFFFFF	#000000	##FFFFFF
##551C9F	1.00	10.23	2.05	10.23
#FFFFFF	10.23	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A3

Deuteranopia (green-blind)

#003F9D

Tritanopia (blue-blind)

#40425F

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #551c9f;
/* rgb */ color: rgb(85, 28, 159);
/* oklch */ color: oklch(39.9% 0.191 296.0);

Tailwind

colors: {
  custom: {
    50: '#8d61bc',
    500: '#551c9f',
    950: '#000000',
  },
}

SCSS

$custom: #551c9f;
$custom-light: #8d61bc;
$custom-dark: #000000;

JSON

{
  "hex": "#551c9f",
  "rgb": {
    "r": 85,
    "g": 28,
    "b": 159
  },
  "hsl": {
    "h": 266.107,
    "s": 70.053,
    "l": 36.667
  },
  "oklch": {
    "l": 0.39867,
    "c": 0.1905,
    "h": 296
  },
  "luminance": 0.05265
}

Semantic roles & 50–950 ramp

primary

#551C9F

secondary

#93C453

accent

#ED3B9F

background

#F9F6FB

surface

#F1EBF7

border

#CBC6D0

text

#0D0512

muted

#7E7A81

Preview Lab

Preview with #551C9F

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

Preview Lab → · Contrast checker → · Palette generator →