#551FA8#551FA8

#551FA8 is a dark, vivid violet. Relative luminance 0.057; OKLCH L 41.0% C 0.197 H 293.4°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#551FA8
RGB	rgb(85, 31, 168)
HSL	hsl(264, 69%, 39%)
HSV	hsv(264, 82%, 66%)
CMYK	cmyk(49.4%, 81.5%, 0%, 34.1%)
CIE-LAB	lab(28.74, 53.02, -63.11)
CIE-LCH	lch(28.74, 82.43, 310.03°)
OKLab	oklab(41.01% 0.0782 -0.1812)
OKLCH	oklch(41.01% 0.197 293.4)
XYZ	xyz(11.3022, 5.7380, 37.5502)
Luminance	0.0574 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551FA8 #72A81F

analogous

#1F2DA8 #551FA8 #9A1FA8

triadic

#551FA8 #A8551F #1FA855

tetradic

#551FA8 #A81F2D #72A81F #1FA89A

square

#551FA8 #A81F2D #72A81F #1FA89A

split-complementary

#551FA8 #A89A1F #2DA81F

monochromatic

#210C41 #3B1574 #551FA8 #702CD8 #9360E2

Accessibility & contrast

On white

9.78

#551FA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#551FA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551FA8

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551FA8	#FFFFFF	#000000	##FFFFFF
##551FA8	1.00	9.78	2.15	9.78
#FFFFFF	9.78	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AC

Deuteranopia (green-blind)

#0041A6

Tritanopia (blue-blind)

#3A4765

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #551fa8;
/* rgb */ color: rgb(85, 31, 168);
/* oklch */ color: oklch(41.0% 0.197 293.4);

Tailwind

colors: {
  custom: {
    50: '#8e63c3',
    500: '#551fa8',
    950: '#000000',
  },
}

SCSS

$custom: #551fa8;
$custom-light: #8e63c3;
$custom-dark: #000000;

JSON

{
  "hex": "#551fa8",
  "rgb": {
    "r": 85,
    "g": 31,
    "b": 168
  },
  "hsl": {
    "h": 263.65,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.41005,
    "c": 0.19738,
    "h": 293.4
  },
  "luminance": 0.05738
}

Semantic roles & 50–950 ramp

primary

#551FA8

secondary

#9DC65D

accent

#EC3CA6

background

#F9F6FC

surface

#F2EBF8

border

#CCC6D1

text

#0D0613

muted

#7E7A82

Preview Lab

Preview with #551FA8

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

Preview Lab → · Contrast checker → · Palette generator →