#551B7F#551B7F

#551B7F is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.9% C 0.158 H 306.3°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#551B7F
RGB	rgb(85, 27, 127)
HSL	hsl(275, 65%, 30%)
HSV	hsv(275, 79%, 50%)
CMYK	cmyk(33.1%, 78.7%, 0%, 50.2%)
CIE-LAB	lab(24.47, 44.38, -44.80)
CIE-LCH	lch(24.47, 63.06, 314.73°)
OKLab	oklab(36.89% 0.0937 -0.1274)
OKLCH	oklch(36.89% 0.158 306.3)
XYZ	xyz(7.9682, 4.2475, 20.4746)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.99

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551B7F #457F1B

analogous

#231B7F #551B7F #7F1B77

triadic

#551B7F #7F551B #1B7F55

tetradic

#551B7F #7F231B #457F1B #1B777F

square

#551B7F #7F231B #457F1B #1B777F

split-complementary

#551B7F #777F1B #1B7F23

monochromatic

#11061A #33104D #551B7F #7726B1 #963ED6

Accessibility & contrast

On white

11.36

#551B7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#551B7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551B7F

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551B7F	#FFFFFF	#000000	##FFFFFF
##551B7F	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003882

Deuteranopia (green-blind)

#003A7D

Tritanopia (blue-blind)

#4E344C

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #551b7f;
/* rgb */ color: rgb(85, 27, 127);
/* oklch */ color: oklch(36.9% 0.158 306.3);

Tailwind

colors: {
  custom: {
    50: '#895ea5',
    500: '#551b7f',
    950: '#000000',
  },
}

SCSS

$custom: #551b7f;
$custom-light: #895ea5;
$custom-dark: #000000;

JSON

{
  "hex": "#551b7f",
  "rgb": {
    "r": 85,
    "g": 27,
    "b": 127
  },
  "hsl": {
    "h": 274.8,
    "s": 64.935,
    "l": 30.196
  },
  "oklch": {
    "l": 0.36893,
    "c": 0.15815,
    "h": 306.3
  },
  "luminance": 0.04247
}

Semantic roles & 50–950 ramp

primary

#551B7F

secondary

#72B343

accent

#E84086

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #551B7F

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

Preview Lab → · Contrast checker → · Palette generator →