What color is #40555A?

#40555A is a dark, grayish cyan, closest to the named color Great Void. It belongs to the gray family of colors.

What is the RGB value of #40555A?

The RGB value is 64, 85, 90: 64 red, 85 green and 90 blue on a 0 to 255 scale.

What is the complementary color of #40555A?

The complementary color is #5A4540, found by rotating the hue 180° on the color wheel.

Is black or white text better on #40555A?

White text. Black text has a contrast ratio of 2.67:1 and white text 7.88:1. WCAG asks for at least 4.5:1 for normal text.

#40555A color

#40555A rgb(64, 85, 90)

Shades of gray

The hex color #40555A is a dark, grayish cyan.

In the RGB color model it is made of 25.1% red, 33.3% green and 35.3% blue (64, 85, 90).

Its hue angle is 192°, with 17% saturation and 30% lightness. For print, the CMYK equivalent is 29% cyan, 6% magenta, 0% yellow and 65% black.

The closest named color is Great Void (#3B5760), a difference of 2.4 ΔE, a small difference.

White text is the more readable choice on this background (contrast 7.88:1).

#40555A color codes

HEX	`#40555A`
RGB	`rgb(64, 85, 90)`
RGB percent	`rgb(25.1%, 33.3%, 35.3%)`
HSL	`hsl(192, 17%, 30%)`
HSV / HSB	`hsv(192, 29%, 35%)`
CMYK	`cmyk(29%, 6%, 0%, 65%)`
CIE LAB	`lab(34.65, -6.68, -5.53)`
CIE LCH	`lch(34.65, 8.68, 219.6)`
CIE XYZ	`xyz(7.208, 8.325, 10.898)`
Decimal	`4216154`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #40555A, 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 #40555A	Ratio	AA	AAA	AA large
Sample text	2.67:1	Fail	Fail	Fail
Sample text	7.88:1	Pass	Pass	Pass

#40555A as text on	Ratio	AA	AAA	AA large
Sample text	7.88:1	Pass	Pass	Pass
Sample text	2.67:1	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 #40555A looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #40555a; }
.text { color: #40555a; }
.border { border: 2px solid #40555a; }
.transparent { background-color: rgb(64 85 90 / 50%); }
.gradient { background: linear-gradient(to right, #40555a, #40485a); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Slate Gray.

Questions

What color is #40555A?: #40555A is a dark, grayish cyan, closest to the named color Great Void. It belongs to the gray family of colors.
What is the RGB value of #40555A?: The RGB value is 64, 85, 90: 64 red, 85 green and 90 blue on a 0 to 255 scale.
What is the complementary color of #40555A?: The complementary color is #5A4540, found by rotating the hue 180° on the color wheel.
Is black or white text better on #40555A?: White text. Black text has a contrast ratio of 2.67:1 and white text 7.88:1. WCAG asks for at least 4.5:1 for normal text.