What color is #646481?

#646481 is a grayish blue, closest to the named color Heron. It belongs to the blue family of colors.

What is the RGB value of #646481?

The RGB value is 100, 100, 129: 100 red, 100 green and 129 blue on a 0 to 255 scale.

What is the complementary color of #646481?

The complementary color is #818164, found by rotating the hue 180° on the color wheel.

Is black or white text better on #646481?

White text. Black text has a contrast ratio of 3.68:1 and white text 5.7:1. WCAG asks for at least 4.5:1 for normal text.

#646481 color

#646481 rgb(100, 100, 129)

Shades of blue

The hex color #646481 is a grayish blue.

In the RGB color model it is made of 39.2% red, 39.2% green and 50.6% blue (100, 100, 129).

Its hue angle is 240°, with 13% saturation and 45% lightness. For print, the CMYK equivalent is 22% cyan, 22% magenta, 0% yellow and 49% black.

The closest named color is Heron (#6A6887), a difference of 2 ΔE, a small difference.

White text is the more readable choice on this background (contrast 5.7:1).

#646481 color codes

HEX	`#646481`
RGB	`rgb(100, 100, 129)`
RGB percent	`rgb(39.2%, 39.2%, 50.6%)`
HSL	`hsl(240, 13%, 45%)`
HSV / HSB	`hsv(240, 22%, 51%)`
CMYK	`cmyk(22%, 22%, 0%, 49%)`
CIE LAB	`lab(43.37, 6.72, -16.1)`
CIE LCH	`lch(43.37, 17.44, 292.65)`
CIE XYZ	`xyz(13.774, 13.408, 22.627)`
Decimal	`6579329`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #646481, 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 #646481	Ratio	AA	AAA	AA large
Sample text	3.68:1	Fail	Fail	Pass
Sample text	5.7:1	Pass	Fail	Pass

#646481 as text on	Ratio	AA	AAA	AA large
Sample text	5.7:1	Pass	Fail	Pass
Sample text	3.68:1	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 #646481 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #646481; }
.text { color: #646481; }
.border { border: 2px solid #646481; }
.transparent { background-color: rgb(100 100 129 / 50%); }
.gradient { background: linear-gradient(to right, #646481, #726481); }

Background

Text color

Border

Similar colors

Closest common color name: Space Gray.

Questions

What color is #646481?: #646481 is a grayish blue, closest to the named color Heron. It belongs to the blue family of colors.
What is the RGB value of #646481?: The RGB value is 100, 100, 129: 100 red, 100 green and 129 blue on a 0 to 255 scale.
What is the complementary color of #646481?: The complementary color is #818164, found by rotating the hue 180° on the color wheel.
Is black or white text better on #646481?: White text. Black text has a contrast ratio of 3.68:1 and white text 5.7:1. WCAG asks for at least 4.5:1 for normal text.