#551B7A#551B7A

#551B7A is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.5% C 0.153 H 308.3°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#551B7A
RGB	rgb(85, 27, 122)
HSL	hsl(277, 64%, 29%)
HSV	hsv(277, 78%, 48%)
CMYK	cmyk(30.3%, 77.9%, 0%, 52.2%)
CIE-LAB	lab(24.07, 43.19, -42.29)
CIE-LCH	lch(24.07, 60.45, 315.60°)
OKLab	oklab(36.48% 0.0948 -0.1201)
OKLCH	oklch(36.48% 0.153 308.3)
XYZ	xyz(7.6504, 4.1204, 18.8009)
Luminance	0.0412 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551B7A #407A1B

analogous

#261B7A #551B7A #7A1B70

triadic

#551B7A #7A551B #1B7A55

tetradic

#551B7A #7A261B #407A1B #1B707A

square

#551B7A #7A261B #407A1B #1B707A

split-complementary

#551B7A #707A1B #1B7A26

monochromatic

#110619 #321048 #551B7A #7826AC #993CD4

Accessibility & contrast

On white

11.51

#551B7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#551B7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551B7A

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551B7A	#FFFFFF	#000000	##FFFFFF
##551B7A	1.00	11.51	1.82	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377D

Deuteranopia (green-blind)

#003A78

Tritanopia (blue-blind)

#4F3249

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #551b7a;
/* rgb */ color: rgb(85, 27, 122);
/* oklch */ color: oklch(36.5% 0.153 308.3);

Tailwind

colors: {
  custom: {
    50: '#895ea1',
    500: '#551b7a',
    950: '#000000',
  },
}

SCSS

$custom: #551b7a;
$custom-light: #895ea1;
$custom-dark: #000000;

JSON

{
  "hex": "#551b7a",
  "rgb": {
    "r": 85,
    "g": 27,
    "b": 122
  },
  "hsl": {
    "h": 276.632,
    "s": 63.758,
    "l": 29.216
  },
  "oklch": {
    "l": 0.36478,
    "c": 0.15295,
    "h": 308.3
  },
  "luminance": 0.0412
}

Semantic roles & 50–950 ramp

primary

#551B7A

secondary

#6DAE43

accent

#E74182

background

#F8F5FA

surface

#F0E9F3

border

#CBC5CD

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #551B7A

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

Preview Lab → · Contrast checker → · Palette generator →