What color is #40373B?

#40373B is a dark gray, closest to the named color Void Wellness Coach. It belongs to the gray family of colors.

What is the RGB value of #40373B?

The RGB value is 64, 55, 59: 64 red, 55 green and 59 blue on a 0 to 255 scale.

What is the complementary color of #40373B?

The complementary color is #37403C, found by rotating the hue 180° on the color wheel.

Is black or white text better on #40373B?

White text. Black text has a contrast ratio of 1.83:1 and white text 11.49:1. WCAG asks for at least 4.5:1 for normal text.

#40373B color

#40373B rgb(64, 55, 59)

Shades of gray

The hex color #40373B is a dark gray.

In the RGB color model it is made of 25.1% red, 21.6% green and 23.1% blue (64, 55, 59).

Its hue angle is 333°, with 8% saturation and 23% lightness. For print, the CMYK equivalent is 0% cyan, 14% magenta, 8% yellow and 75% black.

The closest named color is Void Wellness Coach (#41373A), a difference of 0.7 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 11.49:1).

#40373B color codes

HEX	`#40373B`
RGB	`rgb(64, 55, 59)`
RGB percent	`rgb(25.1%, 21.6%, 23.1%)`
HSL	`hsl(333, 8%, 23%)`
HSV / HSB	`hsv(333, 14%, 25%)`
CMYK	`cmyk(0%, 14%, 8%, 75%)`
CIE LAB	`lab(24.12, 4.8, -1.03)`
CIE LCH	`lch(24.12, 4.91, 347.86)`
CIE XYZ	`xyz(4.27, 4.138, 4.711)`
Decimal	`4208443`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #40373B, 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 #40373B	Ratio	AA	AAA	AA large
Sample text	1.83:1	Fail	Fail	Fail
Sample text	11.49:1	Pass	Pass	Pass

#40373B as text on	Ratio	AA	AAA	AA large
Sample text	11.49:1	Pass	Pass	Pass
Sample text	1.83:1	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 #40373B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #40373b; }
.text { color: #40373b; }
.border { border: 2px solid #40373b; }
.transparent { background-color: rgb(64 55 59 / 50%); }
.gradient { background: linear-gradient(to right, #40373b, #403737); }

Background

Text color

Border

Similar colors

Closest common color name: Graphite.

Questions

What color is #40373B?: #40373B is a dark gray, closest to the named color Void Wellness Coach. It belongs to the gray family of colors.
What is the RGB value of #40373B?: The RGB value is 64, 55, 59: 64 red, 55 green and 59 blue on a 0 to 255 scale.
What is the complementary color of #40373B?: The complementary color is #37403C, found by rotating the hue 180° on the color wheel.
Is black or white text better on #40373B?: White text. Black text has a contrast ratio of 1.83:1 and white text 11.49:1. WCAG asks for at least 4.5:1 for normal text.