What color is #647CDB?

#647CDB is a light, moderate blue, closest to the named color Pan Purple. It belongs to the blue family of colors.

What is the RGB value of #647CDB?

The RGB value is 100, 124, 219: 100 red, 124 green and 219 blue on a 0 to 255 scale.

What is the complementary color of #647CDB?

The complementary color is #DBC364, found by rotating the hue 180° on the color wheel.

Is black or white text better on #647CDB?

Black text. Black text has a contrast ratio of 5.45:1 and white text 3.85:1. WCAG asks for at least 4.5:1 for normal text.

#647CDB color

#647CDB rgb(100, 124, 219)

Shades of blue

The hex color #647CDB is a light, moderate blue.

In the RGB color model it is made of 39.2% red, 48.6% green and 85.9% blue (100, 124, 219).

Its hue angle is 228°, with 62% saturation and 63% lightness. For print, the CMYK equivalent is 54% cyan, 43% magenta, 0% yellow and 14% black.

The closest named color is Pan Purple (#657AEF), a difference of 2.7 ΔE, a small difference.

Black text is the more readable choice on this background (contrast 5.45:1).

#647CDB color codes

HEX	`#647CDB`
RGB	`rgb(100, 124, 219)`
RGB percent	`rgb(39.2%, 48.6%, 85.9%)`
HSL	`hsl(228, 62%, 63%)`
HSV / HSB	`hsv(228, 54%, 86%)`
CMYK	`cmyk(54%, 43%, 0%, 14%)`
CIE LAB	`lab(54.28, 18.48, -51.42)`
CIE LCH	`lch(54.28, 54.64, 289.77)`
CIE XYZ	`xyz(25.245, 22.237, 69.966)`
Decimal	`6585563`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #647CDB, 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 #647CDB	Ratio	AA	AAA	AA large
Sample text	5.45:1	Pass	Fail	Pass
Sample text	3.85:1	Fail	Fail	Pass

#647CDB as text on	Ratio	AA	AAA	AA large
Sample text	3.85:1	Fail	Fail	Pass
Sample text	5.45:1	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 #647CDB looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #647cdb; }
.text { color: #647cdb; }
.border { border: 2px solid #647cdb; }
.transparent { background-color: rgb(100 124 219 / 50%); }
.gradient { background: linear-gradient(to right, #647cdb, #8764db); }

Background

Text color

Border

Similar colors

Closest common color name: Royal Blue.

Questions

What color is #647CDB?: #647CDB is a light, moderate blue, closest to the named color Pan Purple. It belongs to the blue family of colors.
What is the RGB value of #647CDB?: The RGB value is 100, 124, 219: 100 red, 124 green and 219 blue on a 0 to 255 scale.
What is the complementary color of #647CDB?: The complementary color is #DBC364, found by rotating the hue 180° on the color wheel.
Is black or white text better on #647CDB?: Black text. Black text has a contrast ratio of 5.45:1 and white text 3.85:1. WCAG asks for at least 4.5:1 for normal text.