#551EB3#551EB3

#551EB3 is a dark, highly saturated violet. Relative luminance 0.061; OKLCH L 42.0% C 0.210 H 290.9°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#551EB3
RGB	rgb(85, 30, 179)
HSL	hsl(262, 71%, 41%)
HSV	hsv(262, 83%, 70%)
CMYK	cmyk(52.5%, 83.2%, 0%, 29.8%)
CIE-LAB	lab(29.70, 56.24, -68.14)
CIE-LCH	lch(29.70, 88.35, 309.54°)
OKLab	oklab(41.99% 0.075 -0.1959)
OKLCH	oklch(41.99% 0.21 290.9)
XYZ	xyz(12.3449, 6.1140, 43.1687)
Luminance	0.0612 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551EB3 #7CB31E

analogous

#1E31B3 #551EB3 #9F1EB3

triadic

#551EB3 #B3551E #1EB355

tetradic

#551EB3 #B31E31 #7CB31E #1EB39F

square

#551EB3 #B31E31 #7CB31E #1EB39F

split-complementary

#551EB3 #B39F1E #31B31E

monochromatic

#230C4A #3C157F #551EB3 #7132DD #9566E5

Accessibility & contrast

On white

9.45

#551EB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#551EB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551EB3

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551EB3	#FFFFFF	#000000	##FFFFFF
##551EB3	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B7

Deuteranopia (green-blind)

#0043B0

Tritanopia (blue-blind)

#324C6B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #551eb3;
/* rgb */ color: rgb(85, 30, 179);
/* oklch */ color: oklch(42.0% 0.210 290.9);

Tailwind

colors: {
  custom: {
    50: '#9063cb',
    500: '#551eb3',
    950: '#000000',
  },
}

SCSS

$custom: #551eb3;
$custom-light: #9063cb;
$custom-dark: #000000;

JSON

{
  "hex": "#551eb3",
  "rgb": {
    "r": 85,
    "g": 30,
    "b": 179
  },
  "hsl": {
    "h": 262.148,
    "s": 71.292,
    "l": 40.98
  },
  "oklch": {
    "l": 0.41992,
    "c": 0.20975,
    "h": 290.9
  },
  "luminance": 0.06115
}

Semantic roles & 50–950 ramp

primary

#551EB3

secondary

#A4CB62

accent

#EE3AAB

background

#F9F6FC

surface

#F2EBF9

border

#CCC6D2

text

#0E0613

muted

#7E7A82

Preview Lab

Preview with #551EB3

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

Preview Lab → · Contrast checker → · Palette generator →