What color is #66AADD?

#66AADD is a light, moderate azure, closest to the named color Acapulco Dive. It belongs to the blue family of colors.

What is the RGB value of #66AADD?

The RGB value is 102, 170, 221: 102 red, 170 green and 221 blue on a 0 to 255 scale.

What is the complementary color of #66AADD?

The complementary color is #DD9966, found by rotating the hue 180° on the color wheel.

Is black or white text better on #66AADD?

Black text. Black text has a contrast ratio of 8.36:1 and white text 2.51:1. WCAG asks for at least 4.5:1 for normal text.

#66AADD color

#66AADD rgb(102, 170, 221)

Shades of blue

The hex color #66AADD is a light, moderate azure.

In the RGB color model it is made of 40% red, 66.7% green and 86.7% blue (102, 170, 221).

Its hue angle is 206°, with 64% saturation and 63% lightness. For print, the CMYK equivalent is 54% cyan, 23% magenta, 0% yellow and 13% black.

The closest named color is Acapulco Dive (#65A7DD), a difference of 1.2 ΔE, which is barely visible.

Black text is the more readable choice on this background (contrast 8.36:1).

#66AADD color codes

HEX	`#66AADD`
RGB	`rgb(102, 170, 221)`
RGB percent	`rgb(40%, 66.7%, 86.7%)`
HSL	`hsl(206, 64%, 63%)`
HSV / HSB	`hsv(206, 54%, 87%)`
CMYK	`cmyk(54%, 23%, 0%, 13%)`
CIE LAB	`lab(67.12, -7.21, -32.34)`
CIE LCH	`lch(67.12, 33.13, 257.43)`
CIE XYZ	`xyz(32.901, 36.792, 73.76)`
Decimal	`6728413`
Short hex	`#6AD`

Color harmonies

Colors that go with #66AADD, 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 #66AADD	Ratio	AA	AAA	AA large
Sample text	8.36:1	Pass	Pass	Pass
Sample text	2.51:1	Fail	Fail	Fail

#66AADD as text on	Ratio	AA	AAA	AA large
Sample text	2.51:1	Fail	Fail	Fail
Sample text	8.36:1	Pass	Pass	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 #66AADD looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #66aadd; }
.text { color: #66aadd; }
.border { border: 2px solid #66aadd; }
.transparent { background-color: rgb(102 170 221 / 50%); }
.gradient { background: linear-gradient(to right, #66aadd, #666edd); }

Background

Text color

Border

Similar colors

Closest common color name: Carolina Blue.

Questions

What color is #66AADD?: #66AADD is a light, moderate azure, closest to the named color Acapulco Dive. It belongs to the blue family of colors.
What is the RGB value of #66AADD?: The RGB value is 102, 170, 221: 102 red, 170 green and 221 blue on a 0 to 255 scale.
What is the complementary color of #66AADD?: The complementary color is #DD9966, found by rotating the hue 180° on the color wheel.
Is black or white text better on #66AADD?: Black text. Black text has a contrast ratio of 8.36:1 and white text 2.51:1. WCAG asks for at least 4.5:1 for normal text.