What color is #646E84?

#646E84 is a grayish blue, closest to the named color Ashen Whisper. It belongs to the blue family of colors.

What is the RGB value of #646E84?

The RGB value is 100, 110, 132: 100 red, 110 green and 132 blue on a 0 to 255 scale.

What is the complementary color of #646E84?

The complementary color is #847A64, found by rotating the hue 180° on the color wheel.

Is black or white text better on #646E84?

White text. Black text has a contrast ratio of 4.11:1 and white text 5.12:1. WCAG asks for at least 4.5:1 for normal text.

#646E84 color

#646E84 rgb(100, 110, 132)

Shades of blue

The hex color #646E84 is a grayish blue.

In the RGB color model it is made of 39.2% red, 43.1% green and 51.8% blue (100, 110, 132).

Its hue angle is 221°, with 14% saturation and 45% lightness. For print, the CMYK equivalent is 24% cyan, 17% magenta, 0% yellow and 48% black.

The closest named color is Ashen Whisper (#646B7A), a difference of 3 ΔE, a small difference.

White text is the more readable choice on this background (contrast 5.12:1).

#646E84 color codes

HEX	`#646E84`
RGB	`rgb(100, 110, 132)`
RGB percent	`rgb(39.2%, 43.1%, 51.8%)`
HSL	`hsl(221, 14%, 45%)`
HSV / HSB	`hsv(221, 24%, 52%)`
CMYK	`cmyk(24%, 17%, 0%, 48%)`
CIE LAB	`lab(46.35, 1.43, -13.37)`
CIE LCH	`lch(46.35, 13.45, 276.12)`
CIE XYZ	`xyz(14.995, 15.527, 24.032)`
Decimal	`6581892`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #646E84, 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 #646E84	Ratio	AA	AAA	AA large
Sample text	4.11:1	Fail	Fail	Pass
Sample text	5.12:1	Pass	Fail	Pass

#646E84 as text on	Ratio	AA	AAA	AA large
Sample text	5.12:1	Pass	Fail	Pass
Sample text	4.11:1	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 #646E84 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #646e84; }
.text { color: #646e84; }
.border { border: 2px solid #646e84; }
.transparent { background-color: rgb(100 110 132 / 50%); }
.gradient { background: linear-gradient(to right, #646e84, #6a6484); }

Background

Text color

Border

Similar colors

Closest common color name: Space Gray.

Questions

What color is #646E84?: #646E84 is a grayish blue, closest to the named color Ashen Whisper. It belongs to the blue family of colors.
What is the RGB value of #646E84?: The RGB value is 100, 110, 132: 100 red, 110 green and 132 blue on a 0 to 255 scale.
What is the complementary color of #646E84?: The complementary color is #847A64, found by rotating the hue 180° on the color wheel.
Is black or white text better on #646E84?: White text. Black text has a contrast ratio of 4.11:1 and white text 5.12:1. WCAG asks for at least 4.5:1 for normal text.