#6559BC#6559BC

#6559BC is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.6% C 0.150 H 285.5°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#6559BC
RGB	rgb(101, 89, 188)
HSL	hsl(247, 42%, 54%)
HSV	hsv(247, 53%, 74%)
CMYK	cmyk(46.3%, 52.7%, 0%, 26.3%)
CIE-LAB	lab(43.57, 30.45, -50.80)
CIE-LCH	lch(43.57, 59.23, 300.93°)
OKLab	oklab(52.59% 0.0402 -0.1446)
OKLCH	oklch(52.59% 0.15 285.5)
XYZ	xyz(18.0137, 13.5415, 49.2318)
Luminance	0.1354 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6559BC #B0BC59

analogous

#597FBC #6559BC #9759BC

triadic

#6559BC #BC6559 #59BC65

tetradic

#6559BC #BC597F #B0BC59 #59BC97

square

#6559BC #BC597F #B0BC59 #59BC97

split-complementary

#6559BC #BC9759 #7FBC59

monochromatic

#342C6E #493E9A #6559BC #8D85CE #B6B0DF

Accessibility & contrast

On white

5.66

#6559BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#6559BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6559BC

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6559BC	#FFFFFF	#000000	##FFFFFF
##6559BC	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#296ABF

Deuteranopia (green-blind)

#2664BA

Tritanopia (blue-blind)

#496E82

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #6559bc;
/* rgb */ color: rgb(101, 89, 188);
/* oklch */ color: oklch(52.6% 0.150 285.5);

Tailwind

colors: {
  custom: {
    50: '#9688d1',
    500: '#6559bc',
    950: '#000000',
  },
}

SCSS

$custom: #6559bc;
$custom-light: #9688d1;
$custom-dark: #000000;

JSON

{
  "hex": "#6559bc",
  "rgb": {
    "r": 101,
    "g": 89,
    "b": 188
  },
  "hsl": {
    "h": 247.273,
    "s": 42.489,
    "l": 54.314
  },
  "oklch": {
    "l": 0.52585,
    "c": 0.1501,
    "h": 285.5
  },
  "luminance": 0.13542
}

Semantic roles & 50–950 ramp

primary

#6559BC

secondary

#C8CDA3

accent

#D256C3

background

#F9F8FC

surface

#F2EFF9

border

#CCCAD2

text

#0E0B14

muted

#7E7C82

Preview Lab

Preview with #6559BC

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

Preview Lab → · Contrast checker → · Palette generator →