#551D87#551D87

#551D87 is a dark, vivid violet. Relative luminance 0.046; OKLCH L 37.8% C 0.164 H 303.1°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#551D87
RGB	rgb(85, 29, 135)
HSL	hsl(272, 65%, 32%)
HSV	hsv(272, 79%, 53%)
CMYK	cmyk(37%, 78.5%, 0%, 47.1%)
CIE-LAB	lab(25.44, 45.48, -48.26)
CIE-LCH	lch(25.44, 66.31, 313.30°)
OKLab	oklab(37.78% 0.0898 -0.1376)
OKLCH	oklch(37.78% 0.164 303.1)
XYZ	xyz(8.5578, 4.5593, 23.3462)
Luminance	0.0456 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.04

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551D87 #4F871D

analogous

#201D87 #551D87 #871D84

triadic

#551D87 #87551D #1D8755

tetradic

#551D87 #87201D #4F871D #1D8487

square

#551D87 #87201D #4F871D #1D8487

split-complementary

#551D87 #84871D #1D8720

monochromatic

#160722 #351255 #551D87 #7528B9 #9347D7

Accessibility & contrast

On white

10.98

#551D87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#551D87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551D87

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551D87	#FFFFFF	#000000	##FFFFFF
##551D87	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8A

Deuteranopia (green-blind)

#003C85

Tritanopia (blue-blind)

#4B3851

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #551d87;
/* rgb */ color: rgb(85, 29, 135);
/* oklch */ color: oklch(37.8% 0.164 303.1);

Tailwind

colors: {
  custom: {
    50: '#8a60ab',
    500: '#551d87',
    950: '#000000',
  },
}

SCSS

$custom: #551d87;
$custom-light: #8a60ab;
$custom-dark: #000000;

JSON

{
  "hex": "#551d87",
  "rgb": {
    "r": 85,
    "g": 29,
    "b": 135
  },
  "hsl": {
    "h": 271.698,
    "s": 64.634,
    "l": 32.157
  },
  "oklch": {
    "l": 0.37782,
    "c": 0.16434,
    "h": 303.1
  },
  "luminance": 0.04559
}

Semantic roles & 50–950 ramp

primary

#551D87

secondary

#7DB946

accent

#E8408F

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #551D87

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

Preview Lab → · Contrast checker → · Palette generator →