What color is #646680?

#646680 is a grayish blue, closest to the named color Dark Prince. It belongs to the blue family of colors.

What is the RGB value of #646680?

The RGB value is 100, 102, 128: 100 red, 102 green and 128 blue on a 0 to 255 scale.

What is the complementary color of #646680?

The complementary color is #807E64, found by rotating the hue 180° on the color wheel.

Is black or white text better on #646680?

White text. Black text has a contrast ratio of 3.75:1 and white text 5.59:1. WCAG asks for at least 4.5:1 for normal text.

#646680 color

#646680 rgb(100, 102, 128)

Shades of blue

The hex color #646680 is a grayish blue.

In the RGB color model it is made of 39.2% red, 40% green and 50.2% blue (100, 102, 128).

Its hue angle is 236°, with 12% saturation and 45% lightness. For print, the CMYK equivalent is 22% cyan, 20% magenta, 0% yellow and 50% black.

The closest named color is Dark Prince (#6B6C89), a difference of 2.7 ΔE, a small difference.

White text is the more readable choice on this background (contrast 5.59:1).

#646680 color codes

HEX	`#646680`
RGB	`rgb(100, 102, 128)`
RGB percent	`rgb(39.2%, 40%, 50.2%)`
HSL	`hsl(236, 12%, 45%)`
HSV / HSB	`hsv(236, 22%, 50%)`
CMYK	`cmyk(22%, 20%, 0%, 50%)`
CIE LAB	`lab(43.9, 5.25, -14.69)`
CIE LCH	`lch(43.9, 15.6, 289.65)`
CIE XYZ	`xyz(13.902, 13.77, 22.343)`
Decimal	`6579840`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #646680, 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 #646680	Ratio	AA	AAA	AA large
Sample text	3.75:1	Fail	Fail	Pass
Sample text	5.59:1	Pass	Fail	Pass

#646680 as text on	Ratio	AA	AAA	AA large
Sample text	5.59:1	Pass	Fail	Pass
Sample text	3.75:1	Fail	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 #646680 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #646680; }
.text { color: #646680; }
.border { border: 2px solid #646680; }
.transparent { background-color: rgb(100 102 128 / 50%); }
.gradient { background: linear-gradient(to right, #646680, #706480); }

Background

Text color

Border

Similar colors

Closest common color name: Space Gray.

Questions

What color is #646680?: #646680 is a grayish blue, closest to the named color Dark Prince. It belongs to the blue family of colors.
What is the RGB value of #646680?: The RGB value is 100, 102, 128: 100 red, 102 green and 128 blue on a 0 to 255 scale.
What is the complementary color of #646680?: The complementary color is #807E64, found by rotating the hue 180° on the color wheel.
Is black or white text better on #646680?: White text. Black text has a contrast ratio of 3.75:1 and white text 5.59:1. WCAG asks for at least 4.5:1 for normal text.