What color is #6563FF?

#6563FF is a light, vivid blue, closest to the named color Medium Slate Blue. It belongs to the blue family of colors.

What is the RGB value of #6563FF?

The RGB value is 101, 99, 255: 101 red, 99 green and 255 blue on a 0 to 255 scale.

What is the complementary color of #6563FF?

The complementary color is #FDFF63, found by rotating the hue 180° on the color wheel.

Is black or white text better on #6563FF?

Black text. Black text has a contrast ratio of 4.78:1 and white text 4.39:1. WCAG asks for at least 4.5:1 for normal text.

#6563FF color

#6563FF rgb(101, 99, 255)

Shades of blue

The hex color #6563FF is a light, vivid blue.

In the RGB color model it is made of 39.6% red, 38.8% green and 100% blue (101, 99, 255).

Its hue angle is 241°, with 100% saturation and 69% lightness. For print, the CMYK equivalent is 60% cyan, 61% magenta, 0% yellow and 0% black.

The closest named color is Medium Slate Blue (#7B68EE), a difference of 3.9 ΔE, a small difference.

Black text is the more readable choice on this background (contrast 4.78:1).

#6563FF color codes

HEX	`#6563FF`
RGB	`rgb(101, 99, 255)`
RGB percent	`rgb(39.6%, 38.8%, 100%)`
HSL	`hsl(241, 100%, 69%)`
HSV / HSB	`hsv(241, 61%, 100%)`
CMYK	`cmyk(60%, 61%, 0%, 0%)`
CIE LAB	`lab(50.58, 45.21, -77.5)`
CIE LCH	`lch(50.58, 89.72, 300.26)`
CIE XYZ	`xyz(27.873, 18.908, 96.769)`
Decimal	`6644735`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #6563FF, based on their position on the color wheel.

Complementary

The color opposite on the color wheel (180°). Strongest contrast.

Analogous

Neighbors 30° either side. Calm, natural combinations.

Split complementary

The two colors next to the complement (150° and 210°).

Triadic

Three colors evenly spaced, 120° apart.

Tetradic (square)

Four colors 90° apart.

Shades, tints and tones

Shades (darker, mixed with black)

Tints (lighter, mixed with white)

Tones (mixed with gray)

Contrast and accessibility

Text on #6563FF	Ratio	AA	AAA	AA large
Sample text	4.78:1	Pass	Fail	Pass
Sample text	4.39:1	Fail	Fail	Pass

#6563FF as text on	Ratio	AA	AAA	AA large
Sample text	4.39:1	Fail	Fail	Pass
Sample text	4.78:1	Pass	Fail	Pass

WCAG 2 asks for 4.5:1 for normal text (AA), 7:1 for AAA, and 3:1 for large text. Check other pairs.

Color blindness simulation

How #6563FF looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #6563ff; }
.text { color: #6563ff; }
.border { border: 2px solid #6563ff; }
.transparent { background-color: rgb(101 99 255 / 50%); }
.gradient { background: linear-gradient(to right, #6563ff, #b363ff); }

Background

Text color

Border

Similar colors

Questions

What color is #6563FF?: #6563FF is a light, vivid blue, closest to the named color Medium Slate Blue. It belongs to the blue family of colors.
What is the RGB value of #6563FF?: The RGB value is 101, 99, 255: 101 red, 99 green and 255 blue on a 0 to 255 scale.
What is the complementary color of #6563FF?: The complementary color is #FDFF63, found by rotating the hue 180° on the color wheel.
Is black or white text better on #6563FF?: Black text. Black text has a contrast ratio of 4.78:1 and white text 4.39:1. WCAG asks for at least 4.5:1 for normal text.