What color is #646E6B?

#646E6B is a gray, closest to the named color Wrapped in Twilight. It belongs to the gray family of colors.

What is the RGB value of #646E6B?

The RGB value is 100, 110, 107: 100 red, 110 green and 107 blue on a 0 to 255 scale.

What is the complementary color of #646E6B?

The complementary color is #6E6467, found by rotating the hue 180° on the color wheel.

Is black or white text better on #646E6B?

White text. Black text has a contrast ratio of 3.98:1 and white text 5.27:1. WCAG asks for at least 4.5:1 for normal text.

#646E6B color

#646E6B rgb(100, 110, 107)

Shades of gray

The hex color #646E6B is a gray.

In the RGB color model it is made of 39.2% red, 43.1% green and 42% blue (100, 110, 107).

Its hue angle is 162°, with 5% saturation and 41% lightness. For print, the CMYK equivalent is 9% cyan, 0% magenta, 3% yellow and 57% black.

The closest named color is Wrapped in Twilight (#5F6D6E), a difference of 2.6 ΔE, a small difference.

White text is the more readable choice on this background (contrast 5.27:1).

#646E6B color codes

HEX	`#646E6B`
RGB	`rgb(100, 110, 107)`
RGB percent	`rgb(39.2%, 43.1%, 42%)`
HSL	`hsl(162, 5%, 41%)`
HSV / HSB	`hsv(162, 9%, 43%)`
CMYK	`cmyk(9%, 0%, 3%, 57%)`
CIE LAB	`lab(45.53, -4.43, 0.37)`
CIE LCH	`lch(45.53, 4.44, 175.18)`
CIE XYZ	`xyz(13.485, 14.923, 16.077)`
Decimal	`6581867`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #646E6B, 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 #646E6B	Ratio	AA	AAA	AA large
Sample text	3.98:1	Fail	Fail	Pass
Sample text	5.27:1	Pass	Fail	Pass

#646E6B as text on	Ratio	AA	AAA	AA large
Sample text	5.27:1	Pass	Fail	Pass
Sample text	3.98:1	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 #646E6B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #646e6b; }
.text { color: #646e6b; }
.border { border: 2px solid #646e6b; }
.transparent { background-color: rgb(100 110 107 / 50%); }
.gradient { background: linear-gradient(to right, #646e6b, #646c6e); }

Background

Text color

Border

Similar colors

Closest common color name: Dim Gray.

Questions

What color is #646E6B?: #646E6B is a gray, closest to the named color Wrapped in Twilight. It belongs to the gray family of colors.
What is the RGB value of #646E6B?: The RGB value is 100, 110, 107: 100 red, 110 green and 107 blue on a 0 to 255 scale.
What is the complementary color of #646E6B?: The complementary color is #6E6467, found by rotating the hue 180° on the color wheel.
Is black or white text better on #646E6B?: White text. Black text has a contrast ratio of 3.98:1 and white text 5.27:1. WCAG asks for at least 4.5:1 for normal text.