#551C7B#551C7B

#551C7B is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.7% C 0.153 H 307.7°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#551C7B
RGB	rgb(85, 28, 123)
HSL	hsl(276, 63%, 30%)
HSV	hsv(276, 77%, 48%)
CMYK	cmyk(30.9%, 77.2%, 0%, 51.8%)
CIE-LAB	lab(24.30, 42.99, -42.55)
CIE-LCH	lch(24.30, 60.49, 315.30°)
OKLab	oklab(36.67% 0.0936 -0.1208)
OKLCH	oklch(36.67% 0.153 307.7)
XYZ	xyz(7.7360, 4.1920, 19.1366)
Luminance	0.0419 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551C7B #427B1C

analogous

#261C7B #551C7B #7B1C72

triadic

#551C7B #7B551C #1C7B55

tetradic

#551C7B #7B261C #427B1C #1C727B

square

#551C7B #7B261C #427B1C #1C727B

split-complementary

#551C7B #727B1C #1C7B26

monochromatic

#110619 #331149 #551C7B #7727AD #983ED3

Accessibility & contrast

On white

11.42

#551C7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#551C7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551C7B

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551C7B	#FFFFFF	#000000	##FFFFFF
##551C7B	1.00	11.42	1.84	11.42
#FFFFFF	11.42	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387E

Deuteranopia (green-blind)

#003A79

Tritanopia (blue-blind)

#4F334A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #551c7b;
/* rgb */ color: rgb(85, 28, 123);
/* oklch */ color: oklch(36.7% 0.153 307.7);

Tailwind

colors: {
  custom: {
    50: '#895fa2',
    500: '#551c7b',
    950: '#000000',
  },
}

SCSS

$custom: #551c7b;
$custom-light: #895fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#551c7b",
  "rgb": {
    "r": 85,
    "g": 28,
    "b": 123
  },
  "hsl": {
    "h": 276,
    "s": 62.914,
    "l": 29.608
  },
  "oklch": {
    "l": 0.36666,
    "c": 0.15283,
    "h": 307.7
  },
  "luminance": 0.04192
}

Semantic roles & 50–950 ramp

primary

#551C7B

secondary

#6FAF44

accent

#E64283

background

#F8F5FA

surface

#F0E9F3

border

#CBC5CD

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #551C7B

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

Preview Lab → · Contrast checker → · Palette generator →