What color is #405A66?

#405A66 is a dark, grayish azure, closest to the named color Stargazer. It belongs to the gray family of colors.

What is the RGB value of #405A66?

The RGB value is 64, 90, 102: 64 red, 90 green and 102 blue on a 0 to 255 scale.

What is the complementary color of #405A66?

The complementary color is #664C40, found by rotating the hue 180° on the color wheel.

Is black or white text better on #405A66?

White text. Black text has a contrast ratio of 2.87:1 and white text 7.31:1. WCAG asks for at least 4.5:1 for normal text.

#405A66 color

#405A66 rgb(64, 90, 102)

Shades of gray

The hex color #405A66 is a dark, grayish azure.

In the RGB color model it is made of 25.1% red, 35.3% green and 40% blue (64, 90, 102).

Its hue angle is 199°, with 23% saturation and 33% lightness. For print, the CMYK equivalent is 37% cyan, 12% magenta, 0% yellow and 60% black.

The closest named color is Stargazer (#3F5865), a difference of 1 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 7.31:1).

#405A66 color codes

HEX	`#405A66`
RGB	`rgb(64, 90, 102)`
RGB percent	`rgb(25.1%, 35.3%, 40%)`
HSL	`hsl(199, 23%, 33%)`
HSV / HSB	`hsv(199, 37%, 40%)`
CMYK	`cmyk(37%, 12%, 0%, 60%)`
CIE LAB	`lab(36.67, -6.38, -10)`
CIE LCH	`lch(36.67, 11.86, 237.45)`
CIE XYZ	`xyz(8.168, 9.361, 13.944)`
Decimal	`4217446`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #405A66, 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 #405A66	Ratio	AA	AAA	AA large
Sample text	2.87:1	Fail	Fail	Fail
Sample text	7.31:1	Pass	Pass	Pass

#405A66 as text on	Ratio	AA	AAA	AA large
Sample text	7.31:1	Pass	Pass	Pass
Sample text	2.87:1	Fail	Fail	Fail

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 #405A66 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #405a66; }
.text { color: #405a66; }
.border { border: 2px solid #405a66; }
.transparent { background-color: rgb(64 90 102 / 50%); }
.gradient { background: linear-gradient(to right, #405a66, #404766); }

Background

Text color

Border

Similar colors

Closest common color name: Charcoal.

Questions

What color is #405A66?: #405A66 is a dark, grayish azure, closest to the named color Stargazer. It belongs to the gray family of colors.
What is the RGB value of #405A66?: The RGB value is 64, 90, 102: 64 red, 90 green and 102 blue on a 0 to 255 scale.
What is the complementary color of #405A66?: The complementary color is #664C40, found by rotating the hue 180° on the color wheel.
Is black or white text better on #405A66?: White text. Black text has a contrast ratio of 2.87:1 and white text 7.31:1. WCAG asks for at least 4.5:1 for normal text.