#551981#551981

#551981 is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.9% C 0.162 H 305.8°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#551981
RGB	rgb(85, 25, 129)
HSL	hsl(275, 68%, 30%)
HSV	hsv(275, 81%, 51%)
CMYK	cmyk(34.1%, 80.6%, 0%, 49.4%)
CIE-LAB	lab(24.36, 45.67, -46.25)
CIE-LCH	lch(24.36, 65.00, 314.64°)
OKLab	oklab(36.86% 0.095 -0.1317)
OKLCH	oklch(36.86% 0.162 305.8)
XYZ	xyz(8.0555, 4.2116, 21.1532)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.59

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551981 #458119

analogous

#211981 #551981 #811979

triadic

#551981 #815519 #198155

tetradic

#551981 #812119 #458119 #197981

square

#551981 #812119 #458119 #197981

split-complementary

#551981 #798119 #198121

monochromatic

#11051A #330F4E #551981 #7723B4 #963BD9

Accessibility & contrast

On white

11.40

#551981 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#551981 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551981

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551981	#FFFFFF	#000000	##FFFFFF
##551981	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003884

Deuteranopia (green-blind)

#003A7F

Tritanopia (blue-blind)

#4D344D

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #551981;
/* rgb */ color: rgb(85, 25, 129);
/* oklch */ color: oklch(36.9% 0.162 305.8);

Tailwind

colors: {
  custom: {
    50: '#8a5da6',
    500: '#551981',
    950: '#000000',
  },
}

SCSS

$custom: #551981;
$custom-light: #8a5da6;
$custom-dark: #000000;

JSON

{
  "hex": "#551981",
  "rgb": {
    "r": 85,
    "g": 25,
    "b": 129
  },
  "hsl": {
    "h": 274.615,
    "s": 67.532,
    "l": 30.196
  },
  "oklch": {
    "l": 0.36865,
    "c": 0.16235,
    "h": 305.8
  },
  "luminance": 0.04212
}

Semantic roles & 50–950 ramp

primary

#551981

secondary

#72B541

accent

#EA3D87

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #551981

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

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