#551D7B#551D7B

#551D7B is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.8% C 0.152 H 307.6°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#551D7B
RGB	rgb(85, 29, 123)
HSL	hsl(276, 62%, 30%)
HSV	hsv(276, 76%, 48%)
CMYK	cmyk(30.9%, 76.4%, 0%, 51.8%)
CIE-LAB	lab(24.45, 42.56, -42.30)
CIE-LCH	lch(24.45, 60.01, 315.17°)
OKLab	oklab(36.77% 0.0925 -0.1201)
OKLCH	oklch(36.77% 0.152 307.6)
XYZ	xyz(7.7601, 4.2402, 19.1447)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551D7B #437B1D

analogous

#261D7B #551D7B #7B1D72

triadic

#551D7B #7B551D #1D7B55

tetradic

#551D7B #7B261D #437B1D #1D727B

square

#551D7B #7B261D #437B1D #1D727B

split-complementary

#551D7B #727B1D #1D7B26

monochromatic

#110619 #331149 #551D7B #7729AD #9740D2

Accessibility & contrast

On white

11.36

#551D7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#551D7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551D7B

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551D7B	#FFFFFF	#000000	##FFFFFF
##551D7B	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)

#00387E

Deuteranopia (green-blind)

#003B79

Tritanopia (blue-blind)

#4F334A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #551d7b;
/* rgb */ color: rgb(85, 29, 123);
/* oklch */ color: oklch(36.8% 0.152 307.6);

Tailwind

colors: {
  custom: {
    50: '#895fa2',
    500: '#551d7b',
    950: '#000000',
  },
}

SCSS

$custom: #551d7b;
$custom-light: #895fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#551d7b",
  "rgb": {
    "r": 85,
    "g": 29,
    "b": 123
  },
  "hsl": {
    "h": 275.745,
    "s": 61.842,
    "l": 29.804
  },
  "oklch": {
    "l": 0.36774,
    "c": 0.15163,
    "h": 307.6
  },
  "luminance": 0.0424
}

Semantic roles & 50–950 ramp

primary

#551D7B

secondary

#70AF45

accent

#E54384

background

#F8F5FA

surface

#F0EAF3

border

#CBC6CD

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #551D7B

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

Preview Lab → · Contrast checker → · Palette generator →