#6559CC#6559CC

#6559CC is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.7% C 0.172 H 283.7°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#6559CC
RGB	rgb(101, 89, 204)
HSL	hsl(246, 53%, 57%)
HSV	hsv(246, 56%, 80%)
CMYK	cmyk(50.5%, 56.4%, 0%, 20%)
CIE-LAB	lab(44.62, 35.29, -58.38)
CIE-LCH	lch(44.62, 68.22, 301.15°)
OKLab	oklab(53.7% 0.0407 -0.1669)
OKLCH	oklch(53.7% 0.172 283.7)
XYZ	xyz(19.8350, 14.2701, 58.8243)
Luminance	0.1427 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6559CC #C0CC59

analogous

#5986CC #6559CC #9F59CC

triadic

#6559CC #CC6559 #59CC65

tetradic

#6559CC #CC5986 #C0CC59 #59CC9F

square

#6559CC #CC5986 #C0CC59 #59CC9F

split-complementary

#6559CC #CC9F59 #86CC59

monochromatic

#322883 #4336B1 #6559CC #9088DA #BCB7E9

Accessibility & contrast

On white

5.45

#6559CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#6559CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6559CC

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6559CC	#FFFFFF	#000000	##FFFFFF
##6559CC	1.00	5.45	3.85	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#046DD0

Deuteranopia (green-blind)

#0066CA

Tritanopia (blue-blind)

#3E738A

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #6559cc;
/* rgb */ color: rgb(101, 89, 204);
/* oklch */ color: oklch(53.7% 0.172 283.7);

Tailwind

colors: {
  custom: {
    50: '#9888dc',
    500: '#6559cc',
    950: '#000000',
  },
}

SCSS

$custom: #6559cc;
$custom-light: #9888dc;
$custom-dark: #000000;

JSON

{
  "hex": "#6559cc",
  "rgb": {
    "r": 101,
    "g": 89,
    "b": 204
  },
  "hsl": {
    "h": 246.261,
    "s": 52.995,
    "l": 57.451
  },
  "oklch": {
    "l": 0.53701,
    "c": 0.17179,
    "h": 283.7
  },
  "luminance": 0.14271
}

Semantic roles & 50–950 ramp

primary

#6559CC

secondary

#D3D8A9

accent

#DC4BCD

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #6559CC

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

Preview Lab → · Contrast checker → · Palette generator →