What color is #40403B?

#40403B is a dark gray, closest to the named color Black Olive. It belongs to the gray family of colors.

What is the RGB value of #40403B?

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

What is the complementary color of #40403B?

The complementary color is #3B3B40, found by rotating the hue 180° on the color wheel.

Is black or white text better on #40403B?

White text. Black text has a contrast ratio of 2.01:1 and white text 10.42:1. WCAG asks for at least 4.5:1 for normal text.

#40403B color

#40403B rgb(64, 64, 59)

Shades of gray

The hex color #40403B is a dark gray.

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

Its hue angle is 60°, with 4% saturation and 24% lightness. For print, the CMYK equivalent is 0% cyan, 0% magenta, 8% yellow and 75% black.

The closest named color is Black Olive (#3B3C36), a difference of 1.7 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 10.42:1).

#40403B color codes

HEX	`#40403B`
RGB	`rgb(64, 64, 59)`
RGB percent	`rgb(25.1%, 25.1%, 23.1%)`
HSL	`hsl(60, 4%, 24%)`
HSV / HSB	`hsv(60, 8%, 25%)`
CMYK	`cmyk(0%, 0%, 8%, 75%)`
CIE LAB	`lab(26.94, -1.08, 3.06)`
CIE LCH	`lch(26.94, 3.25, 109.52)`
CIE XYZ	`xyz(4.737, 5.073, 4.866)`
Decimal	`4210747`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #40403B, 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 #40403B	Ratio	AA	AAA	AA large
Sample text	2.01:1	Fail	Fail	Fail
Sample text	10.42:1	Pass	Pass	Pass

#40403B as text on	Ratio	AA	AAA	AA large
Sample text	10.42:1	Pass	Pass	Pass
Sample text	2.01:1	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 #40403B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #40403b; }
.text { color: #40403b; }
.border { border: 2px solid #40403b; }
.transparent { background-color: rgb(64 64 59 / 50%); }
.gradient { background: linear-gradient(to right, #40403b, #3e403b); }

Background

Text color

Border

Similar colors

Questions

What color is #40403B?: #40403B is a dark gray, closest to the named color Black Olive. It belongs to the gray family of colors.
What is the RGB value of #40403B?: The RGB value is 64, 64, 59: 64 red, 64 green and 59 blue on a 0 to 255 scale.
What is the complementary color of #40403B?: The complementary color is #3B3B40, found by rotating the hue 180° on the color wheel.
Is black or white text better on #40403B?: White text. Black text has a contrast ratio of 2.01:1 and white text 10.42:1. WCAG asks for at least 4.5:1 for normal text.