#551A90#551A90

#551A90 is a dark, vivid violet. Relative luminance 0.047; OKLCH L 38.3% C 0.177 H 300.5°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#551A90
RGB	rgb(85, 26, 144)
HSL	hsl(270, 69%, 33%)
HSV	hsv(270, 82%, 56%)
CMYK	cmyk(41%, 81.9%, 0%, 43.5%)
CIE-LAB	lab(25.81, 48.91, -53.25)
CIE-LCH	lch(25.81, 72.31, 312.57°)
OKLab	oklab(38.29% 0.0898 -0.1522)
OKLCH	oklch(38.29% 0.177 300.5)
XYZ	xyz(9.1485, 4.6836, 26.8022)
Luminance	0.0468 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551A90 #55901A

analogous

#1A1A90 #551A90 #901A90

triadic

#551A90 #90551A #1A9055

tetradic

#551A90 #901A1A #55901A #1A9090

square

#551A90 #901A1A #55901A #1A9090

split-complementary

#551A90 #90901A #1A901A

monochromatic

#180728 #36115C #551A90 #7423C4 #9247DE

Accessibility & contrast

On white

10.84

#551A90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#551A90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551A90

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551A90	#FFFFFF	#000000	##FFFFFF
##551A90	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D93

Deuteranopia (green-blind)

#003C8E

Tritanopia (blue-blind)

#473B56

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #551a90;
/* rgb */ color: rgb(85, 26, 144);
/* oklch */ color: oklch(38.3% 0.177 300.5);

Tailwind

colors: {
  custom: {
    50: '#8b5fb1',
    500: '#551a90',
    950: '#000000',
  },
}

SCSS

$custom: #551a90;
$custom-light: #8b5fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#551a90",
  "rgb": {
    "r": 85,
    "g": 26,
    "b": 144
  },
  "hsl": {
    "h": 270,
    "s": 69.412,
    "l": 33.333
  },
  "oklch": {
    "l": 0.38287,
    "c": 0.17675,
    "h": 300.5
  },
  "luminance": 0.04684
}

Semantic roles & 50–950 ramp

primary

#551A90

secondary

#83BF47

accent

#EC3C94

background

#F9F5FB

surface

#F1EAF6

border

#CBC6D0

text

#0D0511

muted

#7E7980

Preview Lab

Preview with #551A90

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

Preview Lab → · Contrast checker → · Palette generator →