#6559DD#6559DD

#6559DD is a mid, vivid blue. Relative luminance 0.151; OKLCH L 55.0% C 0.194 H 282.0°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#6559DD
RGB	rgb(101, 89, 221)
HSL	hsl(245, 66%, 61%)
HSV	hsv(245, 60%, 87%)
CMYK	cmyk(54.3%, 59.7%, 0%, 13.3%)
CIE-LAB	lab(45.81, 40.50, -66.17)
CIE-LCH	lch(45.81, 77.58, 301.47°)
OKLab	oklab(54.96% 0.0404 -0.1898)
OKLCH	oklch(54.96% 0.194 282)
XYZ	xyz(21.9863, 15.1306, 70.1545)
Luminance	0.1513 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6559DD #D1DD59

analogous

#598FDD #6559DD #A759DD

triadic

#6559DD #DD6559 #59DD65

tetradic

#6559DD #DD598F #D1DD59 #59DDA7

square

#6559DD #DD598F #D1DD59 #59DDA7

split-complementary

#6559DD #DDA759 #8FDD59

monochromatic

#2B209C #392ACF #6559DD #948CE7 #C3BFF2

Accessibility & contrast

On white

5.22

#6559DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#6559DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6559DD

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6559DD	#FFFFFF	#000000	##FFFFFF
##6559DD	1.00	5.22	4.03	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071E1

Deuteranopia (green-blind)

#0068DA

Tritanopia (blue-blind)

#2D7992

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #6559dd;
/* rgb */ color: rgb(101, 89, 221);
/* oklch */ color: oklch(55.0% 0.194 282.0);

Tailwind

colors: {
  custom: {
    50: '#9b88e8',
    500: '#6559dd',
    950: '#000000',
  },
}

SCSS

$custom: #6559dd;
$custom-light: #9b88e8;
$custom-dark: #000000;

JSON

{
  "hex": "#6559dd",
  "rgb": {
    "r": 101,
    "g": 89,
    "b": 221
  },
  "hsl": {
    "h": 245.455,
    "s": 66,
    "l": 60.784
  },
  "oklch": {
    "l": 0.5496,
    "c": 0.19407,
    "h": 282
  },
  "luminance": 0.15132
}

Semantic roles & 50–950 ramp

primary

#6559DD

secondary

#DDE2B0

accent

#CE18BD

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0B16

muted

#7F7C84

Preview Lab

Preview with #6559DD

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

Preview Lab → · Contrast checker → · Palette generator →