What color is #646EB2?

#646EB2 is a desaturated blue, closest to the named color Loch Ness. It belongs to the blue family of colors.

What is the RGB value of #646EB2?

The RGB value is 100, 110, 178: 100 red, 110 green and 178 blue on a 0 to 255 scale.

What is the complementary color of #646EB2?

The complementary color is #B2A864, found by rotating the hue 180° on the color wheel.

Is black or white text better on #646EB2?

White text. Black text has a contrast ratio of 4.42:1 and white text 4.76:1. WCAG asks for at least 4.5:1 for normal text.

#646EB2 color

#646EB2 rgb(100, 110, 178)

Shades of blue

The hex color #646EB2 is a desaturated blue.

In the RGB color model it is made of 39.2% red, 43.1% green and 69.8% blue (100, 110, 178).

Its hue angle is 232°, with 34% saturation and 55% lightness. For print, the CMYK equivalent is 44% cyan, 38% magenta, 0% yellow and 30% black.

The closest named color is Loch Ness (#5F6DB0), a difference of 1.2 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 4.76:1).

#646EB2 color codes

HEX	`#646EB2`
RGB	`rgb(100, 110, 178)`
RGB percent	`rgb(39.2%, 43.1%, 69.8%)`
HSL	`hsl(232, 34%, 55%)`
HSV / HSB	`hsv(232, 44%, 70%)`
CMYK	`cmyk(44%, 38%, 0%, 30%)`
CIE LAB	`lab(48.35, 14.27, -37.37)`
CIE LCH	`lch(48.35, 40, 290.9)`
CIE XYZ	`xyz(18.865, 17.075, 44.413)`
Decimal	`6581938`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #646EB2, 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 #646EB2	Ratio	AA	AAA	AA large
Sample text	4.42:1	Fail	Fail	Pass
Sample text	4.76:1	Pass	Fail	Pass

#646EB2 as text on	Ratio	AA	AAA	AA large
Sample text	4.76:1	Pass	Fail	Pass
Sample text	4.42:1	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 #646EB2 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #646eb2; }
.text { color: #646eb2; }
.border { border: 2px solid #646eb2; }
.transparent { background-color: rgb(100 110 178 / 50%); }
.gradient { background: linear-gradient(to right, #646eb2, #8164b2); }

Background

Text color

Border

Similar colors

Closest common color name: Royal Blue.

Questions

What color is #646EB2?: #646EB2 is a desaturated blue, closest to the named color Loch Ness. It belongs to the blue family of colors.
What is the RGB value of #646EB2?: The RGB value is 100, 110, 178: 100 red, 110 green and 178 blue on a 0 to 255 scale.
What is the complementary color of #646EB2?: The complementary color is #B2A864, found by rotating the hue 180° on the color wheel.
Is black or white text better on #646EB2?: White text. Black text has a contrast ratio of 4.42:1 and white text 4.76:1. WCAG asks for at least 4.5:1 for normal text.