What color is #6688D0?

#6688D0 is a moderate blue, closest to the named color Marina. It belongs to the blue family of colors.

What is the RGB value of #6688D0?

The RGB value is 102, 136, 208: 102 red, 136 green and 208 blue on a 0 to 255 scale.

What is the complementary color of #6688D0?

The complementary color is #D0AE66, found by rotating the hue 180° on the color wheel.

Is black or white text better on #6688D0?

Black text. Black text has a contrast ratio of 6:1 and white text 3.5:1. WCAG asks for at least 4.5:1 for normal text.

#6688D0 color

#6688D0 rgb(102, 136, 208)

Shades of blue

The hex color #6688D0 is a moderate blue.

In the RGB color model it is made of 40% red, 53.3% green and 81.6% blue (102, 136, 208).

Its hue angle is 221°, with 53% saturation and 61% lightness. For print, the CMYK equivalent is 51% cyan, 35% magenta, 0% yellow and 18% black.

The closest named color is Marina (#5A88C8), a difference of 2.9 ΔE, a small difference.

Black text is the more readable choice on this background (contrast 6:1).

#6688D0 color codes

HEX	`#6688D0`
RGB	`rgb(102, 136, 208)`
RGB percent	`rgb(40%, 53.3%, 81.6%)`
HSL	`hsl(221, 53%, 61%)`
HSV / HSB	`hsv(221, 51%, 82%)`
CMYK	`cmyk(51%, 35%, 0%, 18%)`
CIE LAB	`lab(57.06, 8.26, -40.81)`
CIE LCH	`lch(57.06, 41.63, 281.44)`
CIE XYZ	`xyz(25.665, 24.985, 63.133)`
Decimal	`6719696`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #6688D0, 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 #6688D0	Ratio	AA	AAA	AA large
Sample text	6:1	Pass	Fail	Pass
Sample text	3.5:1	Fail	Fail	Pass

#6688D0 as text on	Ratio	AA	AAA	AA large
Sample text	3.5:1	Fail	Fail	Pass
Sample text	6:1	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 #6688D0 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #6688d0; }
.text { color: #6688d0; }
.border { border: 2px solid #6688d0; }
.transparent { background-color: rgb(102 136 208 / 50%); }
.gradient { background: linear-gradient(to right, #6688d0, #7966d0); }

Background

Text color

Border

Similar colors

Questions

What color is #6688D0?: #6688D0 is a moderate blue, closest to the named color Marina. It belongs to the blue family of colors.
What is the RGB value of #6688D0?: The RGB value is 102, 136, 208: 102 red, 136 green and 208 blue on a 0 to 255 scale.
What is the complementary color of #6688D0?: The complementary color is #D0AE66, found by rotating the hue 180° on the color wheel.
Is black or white text better on #6688D0?: Black text. Black text has a contrast ratio of 6:1 and white text 3.5:1. WCAG asks for at least 4.5:1 for normal text.