What color is #646F7C?

#646F7C is a grayish azure, closest to the named color Made in the Shade. It belongs to the gray family of colors.

What is the RGB value of #646F7C?

The RGB value is 100, 111, 124: 100 red, 111 green and 124 blue on a 0 to 255 scale.

What is the complementary color of #646F7C?

The complementary color is #7C7164, found by rotating the hue 180° on the color wheel.

Is black or white text better on #646F7C?

White text. Black text has a contrast ratio of 4.11:1 and white text 5.11:1. WCAG asks for at least 4.5:1 for normal text.

#646F7C color

#646F7C rgb(100, 111, 124)

Shades of gray

The hex color #646F7C is a grayish azure.

In the RGB color model it is made of 39.2% red, 43.5% green and 48.6% blue (100, 111, 124).

Its hue angle is 213°, with 11% saturation and 44% lightness. For print, the CMYK equivalent is 19% cyan, 10% magenta, 0% yellow and 51% black.

The closest named color is Made in the Shade (#6B717A), a difference of 2.6 ΔE, a small difference.

White text is the more readable choice on this background (contrast 5.11:1).

#646F7C color codes

HEX	`#646F7C`
RGB	`rgb(100, 111, 124)`
RGB percent	`rgb(39.2%, 43.5%, 48.6%)`
HSL	`hsl(213, 11%, 44%)`
HSV / HSB	`hsv(213, 19%, 49%)`
CMYK	`cmyk(19%, 10%, 0%, 51%)`
CIE LAB	`lab(46.36, -1.14, -8.58)`
CIE LCH	`lch(46.36, 8.66, 262.45)`
CIE XYZ	`xyz(14.577, 15.533, 21.295)`
Decimal	`6582140`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #646F7C, 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 #646F7C	Ratio	AA	AAA	AA large
Sample text	4.11:1	Fail	Fail	Pass
Sample text	5.11:1	Pass	Fail	Pass

#646F7C as text on	Ratio	AA	AAA	AA large
Sample text	5.11:1	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 #646F7C looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #646f7c; }
.text { color: #646f7c; }
.border { border: 2px solid #646f7c; }
.transparent { background-color: rgb(100 111 124 / 50%); }
.gradient { background: linear-gradient(to right, #646f7c, #65647c); }

Background

Text color

Border

Similar colors

Closest common color name: Space Gray.

Questions

What color is #646F7C?: #646F7C is a grayish azure, closest to the named color Made in the Shade. It belongs to the gray family of colors.
What is the RGB value of #646F7C?: The RGB value is 100, 111, 124: 100 red, 111 green and 124 blue on a 0 to 255 scale.
What is the complementary color of #646F7C?: The complementary color is #7C7164, found by rotating the hue 180° on the color wheel.
Is black or white text better on #646F7C?: White text. Black text has a contrast ratio of 4.11:1 and white text 5.11:1. WCAG asks for at least 4.5:1 for normal text.