What color is #647FBB?

#647FBB is a desaturated blue, closest to the named color Orbital. It belongs to the blue family of colors.

What is the RGB value of #647FBB?

The RGB value is 100, 127, 187: 100 red, 127 green and 187 blue on a 0 to 255 scale.

What is the complementary color of #647FBB?

The complementary color is #BBA064, found by rotating the hue 180° on the color wheel.

Is black or white text better on #647FBB?

Black text. Black text has a contrast ratio of 5.3:1 and white text 3.97:1. WCAG asks for at least 4.5:1 for normal text.

#647FBB color

#647FBB rgb(100, 127, 187)

Shades of blue

The hex color #647FBB is a desaturated blue.

In the RGB color model it is made of 39.2% red, 49.8% green and 73.3% blue (100, 127, 187).

Its hue angle is 221°, with 39% saturation and 56% lightness. For print, the CMYK equivalent is 47% cyan, 32% magenta, 0% yellow and 27% black.

The closest named color is Orbital (#6D83BB), a difference of 2.1 ΔE, a small difference.

Black text is the more readable choice on this background (contrast 5.3:1).

#647FBB color codes

HEX	`#647FBB`
RGB	`rgb(100, 127, 187)`
RGB percent	`rgb(39.2%, 49.8%, 73.3%)`
HSL	`hsl(221, 39%, 56%)`
HSV / HSB	`hsv(221, 47%, 73%)`
CMYK	`cmyk(47%, 32%, 0%, 27%)`
CIE LAB	`lab(53.47, 6.7, -34.53)`
CIE LCH	`lch(53.47, 35.18, 280.98)`
CIE XYZ	`xyz(21.812, 21.475, 50)`
Decimal	`6586299`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #647FBB, 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 #647FBB	Ratio	AA	AAA	AA large
Sample text	5.3:1	Pass	Fail	Pass
Sample text	3.97:1	Fail	Fail	Pass

#647FBB as text on	Ratio	AA	AAA	AA large
Sample text	3.97:1	Fail	Fail	Pass
Sample text	5.3:1	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 #647FBB looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #647fbb; }
.text { color: #647fbb; }
.border { border: 2px solid #647fbb; }
.transparent { background-color: rgb(100 127 187 / 50%); }
.gradient { background: linear-gradient(to right, #647fbb, #7464bb); }

Background

Text color

Border

Similar colors

Closest common color name: Steel Blue.

Questions

What color is #647FBB?: #647FBB is a desaturated blue, closest to the named color Orbital. It belongs to the blue family of colors.
What is the RGB value of #647FBB?: The RGB value is 100, 127, 187: 100 red, 127 green and 187 blue on a 0 to 255 scale.
What is the complementary color of #647FBB?: The complementary color is #BBA064, found by rotating the hue 180° on the color wheel.
Is black or white text better on #647FBB?: Black text. Black text has a contrast ratio of 5.3:1 and white text 3.97:1. WCAG asks for at least 4.5:1 for normal text.