#551D85#551D85

#551D85 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.6% C 0.162 H 303.8°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#551D85
RGB	rgb(85, 29, 133)
HSL	hsl(272, 64%, 32%)
HSV	hsv(272, 78%, 52%)
CMYK	cmyk(36.1%, 78.2%, 0%, 47.8%)
CIE-LAB	lab(25.27, 44.99, -47.28)
CIE-LCH	lch(25.27, 65.26, 313.58°)
OKLab	oklab(37.61% 0.0903 -0.1347)
OKLCH	oklch(37.61% 0.162 303.8)
XYZ	xyz(8.4183, 4.5035, 22.6115)
Luminance	0.0450 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.05

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551D85 #4D851D

analogous

#211D85 #551D85 #851D81

triadic

#551D85 #85551D #1D8555

tetradic

#551D85 #85211D #4D851D #1D8185

square

#551D85 #85211D #4D851D #1D8185

split-complementary

#551D85 #81851D #1D8521

monochromatic

#150721 #351253 #551D85 #7528B7 #9446D7

Accessibility & contrast

On white

11.05

#551D85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#551D85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551D85

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551D85	#FFFFFF	#000000	##FFFFFF
##551D85	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B88

Deuteranopia (green-blind)

#003C83

Tritanopia (blue-blind)

#4B3850

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #551d85;
/* rgb */ color: rgb(85, 29, 133);
/* oklch */ color: oklch(37.6% 0.162 303.8);

Tailwind

colors: {
  custom: {
    50: '#8a60a9',
    500: '#551d85',
    950: '#000000',
  },
}

SCSS

$custom: #551d85;
$custom-light: #8a60a9;
$custom-dark: #000000;

JSON

{
  "hex": "#551d85",
  "rgb": {
    "r": 85,
    "g": 29,
    "b": 133
  },
  "hsl": {
    "h": 272.308,
    "s": 64.198,
    "l": 31.765
  },
  "oklch": {
    "l": 0.3761,
    "c": 0.16222,
    "h": 303.8
  },
  "luminance": 0.04503
}

Semantic roles & 50–950 ramp

primary

#551D85

secondary

#7BB846

accent

#E7418D

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #551D85

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

Preview Lab → · Contrast checker → · Palette generator →