#551A80#551A80

#551A80 is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.9% C 0.160 H 306.1°. Best body text is #FFFFFF at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#551A80
RGB	rgb(85, 26, 128)
HSL	hsl(275, 66%, 30%)
HSV	hsv(275, 80%, 50%)
CMYK	cmyk(33.6%, 79.7%, 0%, 49.8%)
CIE-LAB	lab(24.41, 45.03, -45.53)
CIE-LCH	lch(24.41, 64.03, 314.68°)
OKLab	oklab(36.88% 0.0943 -0.1296)
OKLCH	oklch(36.88% 0.16 306.1)
XYZ	xyz(8.0111, 4.2287, 20.8121)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.78

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551A80 #45801A

analogous

#221A80 #551A80 #801A78

triadic

#551A80 #80551A #1A8055

tetradic

#551A80 #80221A #45801A #1A7880

square

#551A80 #80221A #45801A #1A7880

split-complementary

#551A80 #78801A #1A8022

monochromatic

#11051A #33104D #551A80 #7724B3 #963DD8

Accessibility & contrast

On white

11.38

#551A80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#551A80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551A80

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551A80	#FFFFFF	#000000	##FFFFFF
##551A80	1.00	11.38	1.85	11.38
#FFFFFF	11.38	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003883

Deuteranopia (green-blind)

#003A7E

Tritanopia (blue-blind)

#4D344C

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #551a80;
/* rgb */ color: rgb(85, 26, 128);
/* oklch */ color: oklch(36.9% 0.160 306.1);

Tailwind

colors: {
  custom: {
    50: '#8a5ea6',
    500: '#551a80',
    950: '#000000',
  },
}

SCSS

$custom: #551a80;
$custom-light: #8a5ea6;
$custom-dark: #000000;

JSON

{
  "hex": "#551a80",
  "rgb": {
    "r": 85,
    "g": 26,
    "b": 128
  },
  "hsl": {
    "h": 274.706,
    "s": 66.234,
    "l": 30.196
  },
  "oklch": {
    "l": 0.36877,
    "c": 0.16027,
    "h": 306.1
  },
  "luminance": 0.04229
}

Semantic roles & 50–950 ramp

primary

#551A80

secondary

#72B442

accent

#E93F87

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #551A80

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

Preview Lab → · Contrast checker → · Palette generator →