What color is #646677?

#646677 is a grayish blue, closest to the named color Venus Mist. It belongs to the gray family of colors.

What is the RGB value of #646677?

The RGB value is 100, 102, 119: 100 red, 102 green and 119 blue on a 0 to 255 scale.

What is the complementary color of #646677?

The complementary color is #777564, found by rotating the hue 180° on the color wheel.

Is black or white text better on #646677?

White text. Black text has a contrast ratio of 3.71:1 and white text 5.66:1. WCAG asks for at least 4.5:1 for normal text.

#646677 color

#646677 rgb(100, 102, 119)

Shades of gray

The hex color #646677 is a grayish blue.

In the RGB color model it is made of 39.2% red, 40% green and 46.7% blue (100, 102, 119).

Its hue angle is 234°, with 9% saturation and 43% lightness. For print, the CMYK equivalent is 16% cyan, 14% magenta, 0% yellow and 53% black.

The closest named color is Venus Mist (#5F606E), a difference of 2.6 ΔE, a small difference.

White text is the more readable choice on this background (contrast 5.66:1).

#646677 color codes

HEX	`#646677`
RGB	`rgb(100, 102, 119)`
RGB percent	`rgb(39.2%, 40%, 46.7%)`
HSL	`hsl(234, 9%, 43%)`
HSV / HSB	`hsv(234, 16%, 47%)`
CMYK	`cmyk(16%, 14%, 0%, 53%)`
CIE LAB	`lab(43.57, 3.04, -9.76)`
CIE LCH	`lch(43.57, 10.22, 287.32)`
CIE XYZ	`xyz(13.336, 13.544, 19.361)`
Decimal	`6579831`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #646677, 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 #646677	Ratio	AA	AAA	AA large
Sample text	3.71:1	Fail	Fail	Pass
Sample text	5.66:1	Pass	Fail	Pass

#646677 as text on	Ratio	AA	AAA	AA large
Sample text	5.66:1	Pass	Fail	Pass
Sample text	3.71:1	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 #646677 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #646677; }
.text { color: #646677; }
.border { border: 2px solid #646677; }
.transparent { background-color: rgb(100 102 119 / 50%); }
.gradient { background: linear-gradient(to right, #646677, #6c6477); }

Background

Text color

Border

Similar colors

Closest common color name: Space Gray.

Questions

What color is #646677?: #646677 is a grayish blue, closest to the named color Venus Mist. It belongs to the gray family of colors.
What is the RGB value of #646677?: The RGB value is 100, 102, 119: 100 red, 102 green and 119 blue on a 0 to 255 scale.
What is the complementary color of #646677?: The complementary color is #777564, found by rotating the hue 180° on the color wheel.
Is black or white text better on #646677?: White text. Black text has a contrast ratio of 3.71:1 and white text 5.66:1. WCAG asks for at least 4.5:1 for normal text.