#551FB4#551FB4

#551FB4 is a dark, highly saturated violet. Relative luminance 0.062; OKLCH L 42.2% C 0.210 H 290.6°. Best body text is #FFFFFF at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#551FB4
RGB	rgb(85, 31, 180)
HSL	hsl(262, 71%, 41%)
HSV	hsv(262, 83%, 71%)
CMYK	cmyk(52.8%, 82.8%, 0%, 29.4%)
CIE-LAB	lab(29.93, 56.12, -68.36)
CIE-LCH	lch(29.93, 88.44, 309.39°)
OKLab	oklab(42.18% 0.074 -0.1965)
OKLCH	oklch(42.18% 0.21 290.6)
XYZ	xyz(12.4721, 6.2060, 43.7119)
Luminance	0.0621 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.48

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551FB4 #7EB41F

analogous

#1F34B4 #551FB4 #A01FB4

triadic

#551FB4 #B4551F #1FB455

tetradic

#551FB4 #B41F34 #7EB41F #1FB4A0

square

#551FB4 #B41F34 #7EB41F #1FB4A0

split-complementary

#551FB4 #B4A01F #34B41F

monochromatic

#240D4C #3C1680 #551FB4 #7134DC #9668E5

Accessibility & contrast

On white

9.37

#551FB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#551FB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551FB4

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551FB4	#FFFFFF	#000000	##FFFFFF
##551FB4	1.00	9.37	2.24	9.37
#FFFFFF	9.37	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B8

Deuteranopia (green-blind)

#0043B1

Tritanopia (blue-blind)

#324C6C

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #551fb4;
/* rgb */ color: rgb(85, 31, 180);
/* oklch */ color: oklch(42.2% 0.210 290.6);

Tailwind

colors: {
  custom: {
    50: '#9063cc',
    500: '#551fb4',
    950: '#000000',
  },
}

SCSS

$custom: #551fb4;
$custom-light: #9063cc;
$custom-dark: #000000;

JSON

{
  "hex": "#551fb4",
  "rgb": {
    "r": 85,
    "g": 31,
    "b": 180
  },
  "hsl": {
    "h": 261.745,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.42179,
    "c": 0.21002,
    "h": 290.6
  },
  "luminance": 0.06207
}

Semantic roles & 50–950 ramp

primary

#551FB4

secondary

#A5CB64

accent

#ED3AAD

background

#F9F6FC

surface

#F2EBF9

border

#CCC6D2

text

#0E0614

muted

#7E7A82

Preview Lab

Preview with #551FB4

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

Preview Lab → · Contrast checker → · Palette generator →