#550F7F#550F7F

#550F7F is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.9% C 0.169 H 307.5°. Best body text is #FFFFFF at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#550F7F
RGB	rgb(85, 15, 127)
HSL	hsl(278, 79%, 28%)
HSV	hsv(278, 88%, 50%)
CMYK	cmyk(33.1%, 88.2%, 0%, 50.2%)
CIE-LAB	lab(23.02, 48.61, -47.17)
CIE-LCH	lch(23.02, 67.74, 315.86°)
OKLab	oklab(35.88% 0.1031 -0.1343)
OKLCH	oklch(35.88% 0.169 307.5)
XYZ	xyz(7.7471, 3.8054, 20.4009)
Luminance	0.0381 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 2.69

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#550F7F #397F0F

analogous

#1D0F7F #550F7F #7F0F71

triadic

#550F7F #7F550F #0F7F55

tetradic

#550F7F #7F1D0F #397F0F #0F717F

square

#550F7F #7F1D0F #397F0F #0F717F

split-complementary

#550F7F #717F0F #0F7F1D

monochromatic

#12031B #300948 #550F7F #7A15B6 #9C23E5

Accessibility & contrast

On white

11.93

#550F7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#550F7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #550F7F

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##550F7F	#FFFFFF	#000000	##FFFFFF
##550F7F	1.00	11.93	1.76	11.93
#FFFFFF	11.93	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003582

Deuteranopia (green-blind)

#00377D

Tritanopia (blue-blind)

#4E2F4A

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #550f7f;
/* rgb */ color: rgb(85, 15, 127);
/* oklch */ color: oklch(35.9% 0.169 307.5);

Tailwind

colors: {
  custom: {
    50: '#8a59a5',
    500: '#550f7f',
    950: '#000000',
  },
}

SCSS

$custom: #550f7f;
$custom-light: #8a59a5;
$custom-dark: #000000;

JSON

{
  "hex": "#550f7f",
  "rgb": {
    "r": 85,
    "g": 15,
    "b": 127
  },
  "hsl": {
    "h": 277.5,
    "s": 78.873,
    "l": 27.843
  },
  "oklch": {
    "l": 0.35877,
    "c": 0.16935,
    "h": 307.5
  },
  "luminance": 0.03805
}

Semantic roles & 50–950 ramp

primary

#550F7F

secondary

#65B534

accent

#F5327C

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C040F

muted

#7D797F

Preview Lab

Preview with #550F7F

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

Preview Lab → · Contrast checker → · Palette generator →