#6559F3#6559F3

#6559F3 is a mid, highly saturated blue. Relative luminance 0.164; OKLCH L 56.7% C 0.222 H 280.1°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#6559F3
RGB	rgb(101, 89, 243)
HSL	hsl(245, 87%, 65%)
HSV	hsv(245, 63%, 95%)
CMYK	cmyk(58.4%, 63.4%, 0%, 4.7%)
CIE-LAB	lab(47.47, 47.26, -75.88)
CIE-LCH	lch(47.47, 89.39, 301.91°)
OKLab	oklab(56.69% 0.039 -0.2184)
OKLCH	oklch(56.69% 0.222 280.1)
XYZ	xyz(25.1118, 16.3808, 86.6152)
Luminance	0.1638 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6559F3 #E7F359

analogous

#599AF3 #6559F3 #B259F3

triadic

#6559F3 #F36559 #59F365

tetradic

#6559F3 #F3599A #E7F359 #59F3B2

square

#6559F3 #F3599A #E7F359 #59F3B2

split-complementary

#6559F3 #F3B259 #9AF359

monochromatic

#1C0EC3 #3020EF #6559F3 #9A92F7 #CFCBFB

Accessibility & contrast

On white

4.91

#6559F3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#6559F3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6559F3

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6559F3	#FFFFFF	#000000	##FFFFFF
##6559F3	1.00	4.91	4.28	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0076F8

Deuteranopia (green-blind)

#006BF0

Tritanopia (blue-blind)

#00809E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #6559f3;
/* rgb */ color: rgb(101, 89, 243);
/* oklch */ color: oklch(56.7% 0.222 280.1);

Tailwind

colors: {
  custom: {
    50: '#9e89f8',
    500: '#6559f3',
    950: '#000000',
  },
}

SCSS

$custom: #6559f3;
$custom-light: #9e89f8;
$custom-dark: #000000;

JSON

{
  "hex": "#6559f3",
  "rgb": {
    "r": 101,
    "g": 89,
    "b": 243
  },
  "hsl": {
    "h": 244.675,
    "s": 86.517,
    "l": 65.098
  },
  "oklch": {
    "l": 0.56691,
    "c": 0.22181,
    "h": 280.1
  },
  "luminance": 0.16383
}

Semantic roles & 50–950 ramp

primary

#6559F3

secondary

#EAEEBA

accent

#E302D2

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100B17

muted

#7F7C85

Preview Lab

Preview with #6559F3

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

Preview Lab → · Contrast checker → · Palette generator →