#6559BF#6559BF

#6559BF is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.8% C 0.154 H 285.2°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#6559BF
RGB	rgb(101, 89, 191)
HSL	hsl(247, 44%, 55%)
HSV	hsv(247, 53%, 75%)
CMYK	cmyk(47.1%, 53.4%, 0%, 25.1%)
CIE-LAB	lab(43.76, 31.35, -52.24)
CIE-LCH	lch(43.76, 60.92, 300.97°)
OKLab	oklab(52.79% 0.0404 -0.1488)
OKLCH	oklch(52.79% 0.154 285.2)
XYZ	xyz(18.3404, 13.6722, 50.9527)
Luminance	0.1367 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6559BF #B3BF59

analogous

#5980BF #6559BF #9859BF

triadic

#6559BF #BF6559 #59BF65

tetradic

#6559BF #BF5980 #B3BF59 #59BF98

square

#6559BF #BF5980 #B3BF59 #59BF98

split-complementary

#6559BF #BF9859 #80BF59

monochromatic

#342C72 #483D9E #6559BF #8E85D0 #B7B1E1

Accessibility & contrast

On white

5.62

#6559BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#6559BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6559BF

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6559BF	#FFFFFF	#000000	##FFFFFF
##6559BF	1.00	5.62	3.73	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#256AC3

Deuteranopia (green-blind)

#2164BD

Tritanopia (blue-blind)

#476F83

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #6559bf;
/* rgb */ color: rgb(101, 89, 191);
/* oklch */ color: oklch(52.8% 0.154 285.2);

Tailwind

colors: {
  custom: {
    50: '#9788d3',
    500: '#6559bf',
    950: '#000000',
  },
}

SCSS

$custom: #6559bf;
$custom-light: #9788d3;
$custom-dark: #000000;

JSON

{
  "hex": "#6559bf",
  "rgb": {
    "r": 101,
    "g": 89,
    "b": 191
  },
  "hsl": {
    "h": 247.059,
    "s": 44.348,
    "l": 54.902
  },
  "oklch": {
    "l": 0.52789,
    "c": 0.15422,
    "h": 285.2
  },
  "luminance": 0.13673
}

Semantic roles & 50–950 ramp

primary

#6559BF

secondary

#CACFA4

accent

#D454C5

background

#F9F8FD

surface

#F2EFFA

border

#CCCAD3

text

#0E0B14

muted

#7E7C83

Preview Lab

Preview with #6559BF

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

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