#551C8F#551C8F

#551C8F is a dark, vivid violet. Relative luminance 0.047; OKLCH L 38.4% C 0.174 H 300.6°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#551C8F
RGB	rgb(85, 28, 143)
HSL	hsl(270, 67%, 34%)
HSV	hsv(270, 80%, 56%)
CMYK	cmyk(40.6%, 80.4%, 0%, 43.9%)
CIE-LAB	lab(26.00, 47.88, -52.33)
CIE-LCH	lch(26.00, 70.93, 312.45°)
OKLab	oklab(38.39% 0.0885 -0.1496)
OKLCH	oklch(38.39% 0.174 300.6)
XYZ	xyz(9.1183, 4.7449, 26.4167)
Luminance	0.0474 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551C8F #568F1C

analogous

#1C1D8F #551C8F #8E1C8F

triadic

#551C8F #8F551C #1C8F55

tetradic

#551C8F #8F1C1D #568F1C #1C8F8E

square

#551C8F #8F1C1D #568F1C #1C8F8E

split-complementary

#551C8F #8F8E1C #1D8F1C

monochromatic

#180829 #37125C #551C8F #7326C2 #924ADC

Accessibility & contrast

On white

10.77

#551C8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#551C8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551C8F

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551C8F	#FFFFFF	#000000	##FFFFFF
##551C8F	1.00	10.77	1.95	10.77
#FFFFFF	10.77	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D92

Deuteranopia (green-blind)

#003D8D

Tritanopia (blue-blind)

#483B55

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #551c8f;
/* rgb */ color: rgb(85, 28, 143);
/* oklch */ color: oklch(38.4% 0.174 300.6);

Tailwind

colors: {
  custom: {
    50: '#8b60b1',
    500: '#551c8f',
    950: '#000000',
  },
}

SCSS

$custom: #551c8f;
$custom-light: #8b60b1;
$custom-dark: #000000;

JSON

{
  "hex": "#551c8f",
  "rgb": {
    "r": 85,
    "g": 28,
    "b": 143
  },
  "hsl": {
    "h": 269.739,
    "s": 67.251,
    "l": 33.529
  },
  "oklch": {
    "l": 0.38386,
    "c": 0.1738,
    "h": 300.6
  },
  "luminance": 0.04745
}

Semantic roles & 50–950 ramp

primary

#551C8F

secondary

#84BE49

accent

#EA3E95

background

#F8F5FB

surface

#F0EAF6

border

#CBC6D0

text

#0D0511

muted

#7D7980

Preview Lab

Preview with #551C8F

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

Preview Lab → · Contrast checker → · Palette generator →