#551DA0#551DA0

#551DA0 is a dark, vivid violet. Relative luminance 0.053; OKLCH L 40.1% C 0.191 H 295.6°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#551DA0
RGB	rgb(85, 29, 160)
HSL	hsl(266, 69%, 37%)
HSV	hsv(266, 82%, 63%)
CMYK	cmyk(46.9%, 81.9%, 0%, 37.3%)
CIE-LAB	lab(27.70, 51.76, -59.97)
CIE-LCH	lch(27.70, 79.22, 310.79°)
OKLab	oklab(40.05% 0.0823 -0.172)
OKLCH	oklch(40.05% 0.191 295.6)
XYZ	xyz(10.5291, 5.3478, 33.7284)
Luminance	0.0535 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551DA0 #68A01D

analogous

#1D27A0 #551DA0 #971DA0

triadic

#551DA0 #A0551D #1DA055

tetradic

#551DA0 #A01D27 #68A01D #1DA097

square

#551DA0 #A01D27 #68A01D #1DA097

split-complementary

#551DA0 #A0971D #27A01D

monochromatic

#1E0A38 #39146C #551DA0 #7126D4 #9257E1

Accessibility & contrast

On white

10.15

#551DA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#551DA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551DA0

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551DA0	#FFFFFF	#000000	##FFFFFF
##551DA0	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A4

Deuteranopia (green-blind)

#003F9E

Tritanopia (blue-blind)

#3F4360

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #551da0;
/* rgb */ color: rgb(85, 29, 160);
/* oklch */ color: oklch(40.1% 0.191 295.6);

Tailwind

colors: {
  custom: {
    50: '#8d61bd',
    500: '#551da0',
    950: '#000000',
  },
}

SCSS

$custom: #551da0;
$custom-light: #8d61bd;
$custom-dark: #000000;

JSON

{
  "hex": "#551da0",
  "rgb": {
    "r": 85,
    "g": 29,
    "b": 160
  },
  "hsl": {
    "h": 265.649,
    "s": 69.312,
    "l": 37.059
  },
  "oklch": {
    "l": 0.40054,
    "c": 0.19068,
    "h": 295.6
  },
  "luminance": 0.05348
}

Semantic roles & 50–950 ramp

primary

#551DA0

secondary

#94C455

accent

#EC3CA1

background

#F9F6FB

surface

#F1EBF7

border

#CBC6D0

text

#0D0512

muted

#7E7A81

Preview Lab

Preview with #551DA0

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

Preview Lab → · Contrast checker → · Palette generator →