#551D7D#551D7D

#551D7D is a dark, vivid violet. Relative luminance 0.043; OKLCH L 36.9% C 0.154 H 306.8°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#551D7D
RGB	rgb(85, 29, 125)
HSL	hsl(275, 62%, 30%)
HSV	hsv(275, 77%, 49%)
CMYK	cmyk(32%, 76.8%, 0%, 51%)
CIE-LAB	lab(24.61, 43.04, -43.31)
CIE-LCH	lch(24.61, 61.06, 314.82°)
OKLab	oklab(36.94% 0.0922 -0.1231)
OKLCH	oklch(36.94% 0.154 306.8)
XYZ	xyz(7.8865, 4.2908, 19.8108)
Luminance	0.0429 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.45

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551D7D #457D1D

analogous

#251D7D #551D7D #7D1D75

triadic

#551D7D #7D551D #1D7D55

tetradic

#551D7D #7D251D #457D1D #1D757D

square

#551D7D #7D251D #457D1D #1D757D

split-complementary

#551D7D #757D1D #1D7D25

monochromatic

#11061A #33114B #551D7D #7729AF #9641D3

Accessibility & contrast

On white

11.30

#551D7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#551D7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551D7D

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551D7D	#FFFFFF	#000000	##FFFFFF
##551D7D	1.00	11.30	1.86	11.30
#FFFFFF	11.30	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003980

Deuteranopia (green-blind)

#003B7B

Tritanopia (blue-blind)

#4E344B

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #551d7d;
/* rgb */ color: rgb(85, 29, 125);
/* oklch */ color: oklch(36.9% 0.154 306.8);

Tailwind

colors: {
  custom: {
    50: '#895fa3',
    500: '#551d7d',
    950: '#000000',
  },
}

SCSS

$custom: #551d7d;
$custom-light: #895fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#551d7d",
  "rgb": {
    "r": 85,
    "g": 29,
    "b": 125
  },
  "hsl": {
    "h": 275,
    "s": 62.338,
    "l": 30.196
  },
  "oklch": {
    "l": 0.36938,
    "c": 0.15375,
    "h": 306.8
  },
  "luminance": 0.04291
}

Semantic roles & 50–950 ramp

primary

#551D7D

secondary

#72B145

accent

#E54286

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #551D7D

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

Preview Lab → · Contrast checker → · Palette generator →