#551F9C#551F9C

#551F9C is a dark, vivid violet. Relative luminance 0.053; OKLCH L 39.9% C 0.185 H 296.4°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#551F9C
RGB	rgb(85, 31, 156)
HSL	hsl(266, 67%, 37%)
HSV	hsv(266, 80%, 61%)
CMYK	cmyk(45.5%, 80.1%, 0%, 38.8%)
CIE-LAB	lab(27.60, 49.93, -57.70)
CIE-LCH	lch(27.60, 76.31, 310.87°)
OKLab	oklab(39.87% 0.0822 -0.1653)
OKLCH	oklch(39.87% 0.185 296.4)
XYZ	xyz(10.2355, 5.3113, 31.9320)
Luminance	0.0531 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551F9C #669C1F

analogous

#1F289C #551F9C #941F9C

triadic

#551F9C #9C551F #1F9C55

tetradic

#551F9C #9C1F28 #669C1F #1F9C94

square

#551F9C #9C1F28 #669C1F #1F9C94

split-complementary

#551F9C #9C941F #289C1F

monochromatic

#1D0B36 #391569 #551F9C #7129CF #9258DE

Accessibility & contrast

On white

10.18

#551F9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#551F9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551F9C

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551F9C	#FFFFFF	#000000	##FFFFFF
##551F9C	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429F

Deuteranopia (green-blind)

#003F9A

Tritanopia (blue-blind)

#41425E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #551f9c;
/* rgb */ color: rgb(85, 31, 156);
/* oklch */ color: oklch(39.9% 0.185 296.4);

Tailwind

colors: {
  custom: {
    50: '#8c62ba',
    500: '#551f9c',
    950: '#000000',
  },
}

SCSS

$custom: #551f9c;
$custom-light: #8c62ba;
$custom-dark: #000000;

JSON

{
  "hex": "#551f9c",
  "rgb": {
    "r": 85,
    "g": 31,
    "b": 156
  },
  "hsl": {
    "h": 265.92,
    "s": 66.845,
    "l": 36.667
  },
  "oklch": {
    "l": 0.3987,
    "c": 0.18462,
    "h": 296.4
  },
  "luminance": 0.05312
}

Semantic roles & 50–950 ramp

primary

#551F9C

secondary

#93C155

accent

#EA3EA0

background

#F9F6FB

surface

#F1EBF6

border

#CBC6D0

text

#0D0512

muted

#7E7A81

Preview Lab

Preview with #551F9C

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

Preview Lab → · Contrast checker → · Palette generator →