#6551BB#6551BB

#6551BB is a mid, vivid violet. Relative luminance 0.122; OKLCH L 51.1% C 0.160 H 288.1°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#6551BB
RGB	rgb(101, 81, 187)
HSL	hsl(251, 44%, 53%)
HSV	hsv(251, 57%, 73%)
CMYK	cmyk(46%, 56.7%, 0%, 26.7%)
CIE-LAB	lab(41.59, 34.99, -53.40)
CIE-LCH	lch(41.59, 63.84, 303.23°)
OKLab	oklab(51.1% 0.0496 -0.1523)
OKLCH	oklch(51.1% 0.16 288.1)
XYZ	xyz(17.2763, 12.2387, 48.4561)
Luminance	0.1224 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6551BB #A7BB51

analogous

#5172BB #6551BB #9A51BB

triadic

#6551BB #BB6551 #51BB65

tetradic

#6551BB #BB5172 #A7BB51 #51BB9A

square

#6551BB #BB5172 #A7BB51 #51BB9A

split-complementary

#6551BB #BB9A51 #72BB51

monochromatic

#352969 #4B3A95 #6551BB #8C7DCC #B3A9DD

Accessibility & contrast

On white

6.09

#6551BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#6551BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6551BB

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6551BB	#FFFFFF	#000000	##FFFFFF
##6551BB	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F65BF

Deuteranopia (green-blind)

#105FB9

Tritanopia (blue-blind)

#4A687E

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #6551bb;
/* rgb */ color: rgb(101, 81, 187);
/* oklch */ color: oklch(51.1% 0.160 288.1);

Tailwind

colors: {
  custom: {
    50: '#9782d0',
    500: '#6551bb',
    950: '#000000',
  },
}

SCSS

$custom: #6551bb;
$custom-light: #9782d0;
$custom-dark: #000000;

JSON

{
  "hex": "#6551bb",
  "rgb": {
    "r": 101,
    "g": 81,
    "b": 187
  },
  "hsl": {
    "h": 251.321,
    "s": 43.802,
    "l": 52.549
  },
  "oklch": {
    "l": 0.51097,
    "c": 0.16016,
    "h": 288.1
  },
  "luminance": 0.12239
}

Semantic roles & 50–950 ramp

primary

#6551BB

secondary

#C2CB9D

accent

#D454BC

background

#F9F8FC

surface

#F2EFF9

border

#CCCAD2

text

#0E0A14

muted

#7E7C82

Preview Lab

Preview with #6551BB

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

Preview Lab → · Contrast checker → · Palette generator →