#551A82#551A82

#551A82 is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.0% C 0.162 H 305.3°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#551A82
RGB	rgb(85, 26, 130)
HSL	hsl(274, 67%, 31%)
HSV	hsv(274, 80%, 51%)
CMYK	cmyk(34.6%, 80%, 0%, 49%)
CIE-LAB	lab(24.58, 45.51, -46.52)
CIE-LCH	lch(24.58, 65.08, 314.37°)
OKLab	oklab(37.05% 0.0938 -0.1325)
OKLCH	oklch(37.05% 0.162 305.3)
XYZ	xyz(8.1441, 4.2818, 21.5122)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.68

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551A82 #47821A

analogous

#211A82 #551A82 #821A7B

triadic

#551A82 #82551A #1A8255

tetradic

#551A82 #82211A #47821A #1A7B82

square

#551A82 #82211A #47821A #1A7B82

split-complementary

#551A82 #7B821A #1A8221

monochromatic

#12061C #34104F #551A82 #7624B5 #963ED8

Accessibility & contrast

On white

11.31

#551A82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#551A82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551A82

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551A82	#FFFFFF	#000000	##FFFFFF
##551A82	1.00	11.31	1.86	11.31
#FFFFFF	11.31	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003985

Deuteranopia (green-blind)

#003A80

Tritanopia (blue-blind)

#4D354E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #551a82;
/* rgb */ color: rgb(85, 26, 130);
/* oklch */ color: oklch(37.0% 0.162 305.3);

Tailwind

colors: {
  custom: {
    50: '#8a5ea7',
    500: '#551a82',
    950: '#000000',
  },
}

SCSS

$custom: #551a82;
$custom-light: #8a5ea7;
$custom-dark: #000000;

JSON

{
  "hex": "#551a82",
  "rgb": {
    "r": 85,
    "g": 26,
    "b": 130
  },
  "hsl": {
    "h": 274.038,
    "s": 66.667,
    "l": 30.588
  },
  "oklch": {
    "l": 0.37047,
    "c": 0.16233,
    "h": 305.3
  },
  "luminance": 0.04282
}

Semantic roles & 50–950 ramp

primary

#551A82

secondary

#74B642

accent

#EA3E88

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #551A82

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

Preview Lab → · Contrast checker → · Palette generator →