What color is #40505C?

#40505C is a dark, grayish azure, closest to the named color Nightfall. It belongs to the gray family of colors.

What is the RGB value of #40505C?

The RGB value is 64, 80, 92: 64 red, 80 green and 92 blue on a 0 to 255 scale.

What is the complementary color of #40505C?

The complementary color is #5C4C40, found by rotating the hue 180° on the color wheel.

Is black or white text better on #40505C?

White text. Black text has a contrast ratio of 2.52:1 and white text 8.33:1. WCAG asks for at least 4.5:1 for normal text.

#40505C color

#40505C rgb(64, 80, 92)

Shades of gray

The hex color #40505C is a dark, grayish azure.

In the RGB color model it is made of 25.1% red, 31.4% green and 36.1% blue (64, 80, 92).

Its hue angle is 206°, with 18% saturation and 31% lightness. For print, the CMYK equivalent is 30% cyan, 13% magenta, 0% yellow and 64% black.

The closest named color is Nightfall (#43535E), a difference of 1.2 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 8.33:1).

#40505C color codes

HEX	`#40505C`
RGB	`rgb(64, 80, 92)`
RGB percent	`rgb(25.1%, 31.4%, 36.1%)`
HSL	`hsl(206, 18%, 31%)`
HSV / HSB	`hsv(206, 30%, 36%)`
CMYK	`cmyk(30%, 13%, 0%, 64%)`
CIE LAB	`lab(33.13, -3.07, -9.07)`
CIE LCH	`lch(33.13, 9.57, 251.32)`
CIE XYZ	`xyz(6.914, 7.6, 11.226)`
Decimal	`4214876`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #40505C, 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 #40505C	Ratio	AA	AAA	AA large
Sample text	2.52:1	Fail	Fail	Fail
Sample text	8.33:1	Pass	Pass	Pass

#40505C as text on	Ratio	AA	AAA	AA large
Sample text	8.33:1	Pass	Pass	Pass
Sample text	2.52:1	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 #40505C looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #40505c; }
.text { color: #40505c; }
.border { border: 2px solid #40505c; }
.transparent { background-color: rgb(64 80 92 / 50%); }
.gradient { background: linear-gradient(to right, #40505c, #40425c); }

Background

Text color

Border

Similar colors

Closest common color name: Charcoal.

Questions

What color is #40505C?: #40505C is a dark, grayish azure, closest to the named color Nightfall. It belongs to the gray family of colors.
What is the RGB value of #40505C?: The RGB value is 64, 80, 92: 64 red, 80 green and 92 blue on a 0 to 255 scale.
What is the complementary color of #40505C?: The complementary color is #5C4C40, found by rotating the hue 180° on the color wheel.
Is black or white text better on #40505C?: White text. Black text has a contrast ratio of 2.52:1 and white text 8.33:1. WCAG asks for at least 4.5:1 for normal text.