#551A83#551A83

#551A83 is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.1% C 0.163 H 304.9°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#551A83
RGB	rgb(85, 26, 131)
HSL	hsl(274, 67%, 31%)
HSV	hsv(274, 80%, 51%)
CMYK	cmyk(35.1%, 80.2%, 0%, 48.6%)
CIE-LAB	lab(24.67, 45.75, -47.01)
CIE-LCH	lch(24.67, 65.59, 314.22°)
OKLab	oklab(37.13% 0.0936 -0.1339)
OKLCH	oklch(37.13% 0.163 304.9)
XYZ	xyz(8.2115, 4.3088, 21.8674)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.65

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551A83 #48831A

analogous

#201A83 #551A83 #831A7C

triadic

#551A83 #83551A #1A8355

tetradic

#551A83 #83201A #48831A #1A7C83

square

#551A83 #83201A #48831A #1A7C83

split-complementary

#551A83 #7C831A #1A8320

monochromatic

#13061D #341050 #551A83 #7624B6 #953FD9

Accessibility & contrast

On white

11.28

#551A83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#551A83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551A83

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551A83	#FFFFFF	#000000	##FFFFFF
##551A83	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003986

Deuteranopia (green-blind)

#003B81

Tritanopia (blue-blind)

#4C354E

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #551a83;
/* rgb */ color: rgb(85, 26, 131);
/* oklch */ color: oklch(37.1% 0.163 304.9);

Tailwind

colors: {
  custom: {
    50: '#8a5ea8',
    500: '#551a83',
    950: '#000000',
  },
}

SCSS

$custom: #551a83;
$custom-light: #8a5ea8;
$custom-dark: #000000;

JSON

{
  "hex": "#551a83",
  "rgb": {
    "r": 85,
    "g": 26,
    "b": 131
  },
  "hsl": {
    "h": 273.714,
    "s": 66.879,
    "l": 30.784
  },
  "oklch": {
    "l": 0.37133,
    "c": 0.16336,
    "h": 304.9
  },
  "luminance": 0.04309
}

Semantic roles & 50–950 ramp

primary

#551A83

secondary

#75B742

accent

#EA3E89

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #551A83

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

Preview Lab → · Contrast checker → · Palette generator →