#551990#551990

#551990 is a dark, vivid violet. Relative luminance 0.046; OKLCH L 38.2% C 0.178 H 300.6°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#551990
RGB	rgb(85, 25, 144)
HSL	hsl(270, 70%, 33%)
HSV	hsv(270, 83%, 56%)
CMYK	cmyk(41%, 82.6%, 0%, 43.5%)
CIE-LAB	lab(25.68, 49.29, -53.46)
CIE-LCH	lch(25.68, 72.72, 312.67°)
OKLab	oklab(38.2% 0.0906 -0.1529)
OKLCH	oklch(38.2% 0.178 300.6)
XYZ	xyz(9.1267, 4.6401, 26.7949)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551990 #549019

analogous

#191990 #551990 #90198F

triadic

#551990 #905519 #199055

tetradic

#551990 #901919 #549019 #198F90

square

#551990 #901919 #549019 #198F90

split-complementary

#551990 #8F9019 #199019

monochromatic

#170728 #36105C #551990 #7422C4 #9245DF

Accessibility & contrast

On white

10.89

#551990 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#551990 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551990

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551990	#FFFFFF	#000000	##FFFFFF
##551990	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C93

Deuteranopia (green-blind)

#003C8E

Tritanopia (blue-blind)

#473B55

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #551990;
/* rgb */ color: rgb(85, 25, 144);
/* oklch */ color: oklch(38.2% 0.178 300.6);

Tailwind

colors: {
  custom: {
    50: '#8b5eb1',
    500: '#551990',
    950: '#000000',
  },
}

SCSS

$custom: #551990;
$custom-light: #8b5eb1;
$custom-dark: #000000;

JSON

{
  "hex": "#551990",
  "rgb": {
    "r": 85,
    "g": 25,
    "b": 144
  },
  "hsl": {
    "h": 270.252,
    "s": 70.414,
    "l": 33.137
  },
  "oklch": {
    "l": 0.38197,
    "c": 0.17768,
    "h": 300.6
  },
  "luminance": 0.0464
}

Semantic roles & 50–950 ramp

primary

#551990

secondary

#82C045

accent

#ED3B93

background

#F9F5FB

surface

#F1EAF6

border

#CBC6D0

text

#0D0511

muted

#7E7980

Preview Lab

Preview with #551990

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

Preview Lab → · Contrast checker → · Palette generator →