#551F83#551F83

#551F83 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.7% C 0.158 H 304.3°. Best body text is #FFFFFF at 10.99:1 contrast (WCAG AA passes).

Color values

HEX	#551F83
RGB	rgb(85, 31, 131)
HSL	hsl(272, 62%, 32%)
HSV	hsv(272, 76%, 51%)
CMYK	cmyk(35.1%, 76.3%, 0%, 48.6%)
CIE-LAB	lab(25.41, 43.61, -45.79)
CIE-LCH	lch(25.41, 63.24, 313.60°)
OKLab	oklab(37.66% 0.0889 -0.1304)
OKLCH	oklch(37.66% 0.158 304.3)
XYZ	xyz(8.3321, 4.5500, 21.9076)
Luminance	0.0455 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.43

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551F83 #4D831F

analogous

#231F83 #551F83 #831F7F

triadic

#551F83 #83551F #1F8355

tetradic

#551F83 #83231F #4D831F #1F7F83

square

#551F83 #83231F #4D831F #1F7F83

split-complementary

#551F83 #7F831F #1F8323

monochromatic

#150820 #351352 #551F83 #752BB4 #9449D4

Accessibility & contrast

On white

10.99

#551F83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#551F83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551F83

10.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551F83	#FFFFFF	#000000	##FFFFFF
##551F83	1.00	10.99	1.91	10.99
#FFFFFF	10.99	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B86

Deuteranopia (green-blind)

#003C81

Tritanopia (blue-blind)

#4C384F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #551f83;
/* rgb */ color: rgb(85, 31, 131);
/* oklch */ color: oklch(37.7% 0.158 304.3);

Tailwind

colors: {
  custom: {
    50: '#8a60a8',
    500: '#551f83',
    950: '#000000',
  },
}

SCSS

$custom: #551f83;
$custom-light: #8a60a8;
$custom-dark: #000000;

JSON

{
  "hex": "#551f83",
  "rgb": {
    "r": 85,
    "g": 31,
    "b": 131
  },
  "hsl": {
    "h": 272.4,
    "s": 61.728,
    "l": 31.765
  },
  "oklch": {
    "l": 0.37657,
    "c": 0.1578,
    "h": 304.3
  },
  "luminance": 0.0455
}

Semantic roles & 50–950 ramp

primary

#551F83

secondary

#7BB648

accent

#E5438D

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #551F83

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

Preview Lab → · Contrast checker → · Palette generator →