What color is #64638A?

#64638A is a grayish blue, closest to the named color Heron. It belongs to the blue family of colors.

What is the RGB value of #64638A?

The RGB value is 100, 99, 138: 100 red, 99 green and 138 blue on a 0 to 255 scale.

What is the complementary color of #64638A?

The complementary color is #898A63, found by rotating the hue 180° on the color wheel.

Is black or white text better on #64638A?

White text. Black text has a contrast ratio of 3.69:1 and white text 5.69:1. WCAG asks for at least 4.5:1 for normal text.

#64638A color

#64638A rgb(100, 99, 138)

Shades of blue

The hex color #64638A is a grayish blue.

In the RGB color model it is made of 39.2% red, 38.8% green and 54.1% blue (100, 99, 138).

Its hue angle is 242°, with 16% saturation and 46% lightness. For print, the CMYK equivalent is 28% cyan, 28% magenta, 0% yellow and 46% black.

The closest named color is Heron (#6A6887), a difference of 3.1 ΔE, a small difference.

White text is the more readable choice on this background (contrast 5.69:1).

#64638A color codes

HEX	`#64638A`
RGB	`rgb(100, 99, 138)`
RGB percent	`rgb(39.2%, 38.8%, 54.1%)`
HSL	`hsl(242, 16%, 46%)`
HSV / HSB	`hsv(242, 28%, 54%)`
CMYK	`cmyk(28%, 28%, 0%, 46%)`
CIE LAB	`lab(43.46, 9.66, -21.38)`
CIE LCH	`lch(43.46, 23.46, 294.32)`
CIE XYZ	`xyz(14.304, 13.468, 25.886)`
Decimal	`6579082`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #64638A, 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 #64638A	Ratio	AA	AAA	AA large
Sample text	3.69:1	Fail	Fail	Pass
Sample text	5.69:1	Pass	Fail	Pass

#64638A as text on	Ratio	AA	AAA	AA large
Sample text	5.69:1	Pass	Fail	Pass
Sample text	3.69:1	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 #64638A looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #64638a; }
.text { color: #64638a; }
.border { border: 2px solid #64638a; }
.transparent { background-color: rgb(100 99 138 / 50%); }
.gradient { background: linear-gradient(to right, #64638a, #77638a); }

Background

Text color

Border

Similar colors

Closest common color name: Royal Purple.

Questions

What color is #64638A?: #64638A is a grayish blue, closest to the named color Heron. It belongs to the blue family of colors.
What is the RGB value of #64638A?: The RGB value is 100, 99, 138: 100 red, 99 green and 138 blue on a 0 to 255 scale.
What is the complementary color of #64638A?: The complementary color is #898A63, found by rotating the hue 180° on the color wheel.
Is black or white text better on #64638A?: White text. Black text has a contrast ratio of 3.69:1 and white text 5.69:1. WCAG asks for at least 4.5:1 for normal text.