#551D7F#551D7F

#551D7F is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.1% C 0.156 H 306.1°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#551D7F
RGB	rgb(85, 29, 127)
HSL	hsl(274, 63%, 31%)
HSV	hsv(274, 77%, 50%)
CMYK	cmyk(33.1%, 77.2%, 0%, 50.2%)
CIE-LAB	lab(24.77, 43.52, -44.31)
CIE-LCH	lch(24.77, 62.11, 314.48°)
OKLab	oklab(37.1% 0.0917 -0.126)
OKLCH	oklch(37.1% 0.156 306.1)
XYZ	xyz(8.0156, 4.3424, 20.4905)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.30

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551D7F #477F1D

analogous

#241D7F #551D7F #7F1D78

triadic

#551D7F #7F551D #1D7F55

tetradic

#551D7F #7F241D #477F1D #1D787F

square

#551D7F #7F241D #477F1D #1D787F

split-complementary

#551D7F #787F1D #1D7F24

monochromatic

#12061B #34124D #551D7F #7628B1 #9642D4

Accessibility & contrast

On white

11.24

#551D7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#551D7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551D7F

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551D7F	#FFFFFF	#000000	##FFFFFF
##551D7F	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003982

Deuteranopia (green-blind)

#003B7D

Tritanopia (blue-blind)

#4D354D

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #551d7f;
/* rgb */ color: rgb(85, 29, 127);
/* oklch */ color: oklch(37.1% 0.156 306.1);

Tailwind

colors: {
  custom: {
    50: '#895fa5',
    500: '#551d7f',
    950: '#000000',
  },
}

SCSS

$custom: #551d7f;
$custom-light: #895fa5;
$custom-dark: #000000;

JSON

{
  "hex": "#551d7f",
  "rgb": {
    "r": 85,
    "g": 29,
    "b": 127
  },
  "hsl": {
    "h": 274.286,
    "s": 62.821,
    "l": 30.588
  },
  "oklch": {
    "l": 0.37103,
    "c": 0.15587,
    "h": 306.1
  },
  "luminance": 0.04342
}

Semantic roles & 50–950 ramp

primary

#551D7F

secondary

#74B245

accent

#E64288

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #551D7F

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

Preview Lab → · Contrast checker → · Palette generator →