#6559BB#6559BB

#6559BB is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.5% C 0.149 H 285.7°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#6559BB
RGB	rgb(101, 89, 187)
HSL	hsl(247, 42%, 54%)
HSV	hsv(247, 52%, 73%)
CMYK	cmyk(46%, 52.4%, 0%, 26.7%)
CIE-LAB	lab(43.51, 30.15, -50.32)
CIE-LCH	lch(43.51, 58.66, 300.92°)
OKLab	oklab(52.52% 0.0401 -0.1432)
OKLCH	oklch(52.52% 0.149 285.7)
XYZ	xyz(17.9062, 13.4985, 48.6661)
Luminance	0.1350 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6559BB #AFBB59

analogous

#597EBB #6559BB #9659BB

triadic

#6559BB #BB6559 #59BB65

tetradic

#6559BB #BB597E #AFBB59 #59BB96

square

#6559BB #BB597E #AFBB59 #59BB96

split-complementary

#6559BB #BB9659 #7EBB59

monochromatic

#352D6D #493E98 #6559BB #8D84CD #B6B0DF

Accessibility & contrast

On white

5.68

#6559BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#6559BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6559BB

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6559BB	#FFFFFF	#000000	##FFFFFF
##6559BB	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A6ABE

Deuteranopia (green-blind)

#2764B9

Tritanopia (blue-blind)

#496E81

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #6559bb;
/* rgb */ color: rgb(101, 89, 187);
/* oklch */ color: oklch(52.5% 0.149 285.7);

Tailwind

colors: {
  custom: {
    50: '#9688d0',
    500: '#6559bb',
    950: '#000000',
  },
}

SCSS

$custom: #6559bb;
$custom-light: #9688d0;
$custom-dark: #000000;

JSON

{
  "hex": "#6559bb",
  "rgb": {
    "r": 101,
    "g": 89,
    "b": 187
  },
  "hsl": {
    "h": 247.347,
    "s": 41.88,
    "l": 54.118
  },
  "oklch": {
    "l": 0.52517,
    "c": 0.14873,
    "h": 285.7
  },
  "luminance": 0.13499
}

Semantic roles & 50–950 ramp

primary

#6559BB

secondary

#C8CDA3

accent

#D256C3

background

#F9F8FC

surface

#F2EFF9

border

#CCCAD2

text

#0E0B14

muted

#7E7C82

Preview Lab

Preview with #6559BB

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

Preview Lab → · Contrast checker → · Palette generator →