#551F80#551F80

#551F80 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.4% C 0.155 H 305.4°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#551F80
RGB	rgb(85, 31, 128)
HSL	hsl(273, 61%, 31%)
HSV	hsv(273, 76%, 50%)
CMYK	cmyk(33.6%, 75.8%, 0%, 49.8%)
CIE-LAB	lab(25.17, 42.87, -44.30)
CIE-LCH	lch(25.17, 61.65, 314.06°)
OKLab	oklab(37.41% 0.0895 -0.126)
OKLCH	oklch(37.41% 0.155 305.4)
XYZ	xyz(8.1317, 4.4698, 20.8523)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.57

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551F80 #4A801F

analogous

#241F80 #551F80 #801F7A

triadic

#551F80 #80551F #1F8055

tetradic

#551F80 #80241F #4A801F #1F7A80

square

#551F80 #80241F #4A801F #1F7A80

split-complementary

#551F80 #7A801F #1F8024

monochromatic

#14071D #34134F #551F80 #762BB1 #9547D2

Accessibility & contrast

On white

11.09

#551F80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#551F80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551F80

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551F80	#FFFFFF	#000000	##FFFFFF
##551F80	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A83

Deuteranopia (green-blind)

#003C7E

Tritanopia (blue-blind)

#4D364E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #551f80;
/* rgb */ color: rgb(85, 31, 128);
/* oklch */ color: oklch(37.4% 0.155 305.4);

Tailwind

colors: {
  custom: {
    50: '#8960a6',
    500: '#551f80',
    950: '#000000',
  },
}

SCSS

$custom: #551f80;
$custom-light: #8960a6;
$custom-dark: #000000;

JSON

{
  "hex": "#551f80",
  "rgb": {
    "r": 85,
    "g": 31,
    "b": 128
  },
  "hsl": {
    "h": 273.402,
    "s": 61.006,
    "l": 31.176
  },
  "oklch": {
    "l": 0.37408,
    "c": 0.15456,
    "h": 305.4
  },
  "luminance": 0.0447
}

Semantic roles & 50–950 ramp

primary

#551F80

secondary

#77B348

accent

#E4448B

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #551F80

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

Preview Lab → · Contrast checker → · Palette generator →