What color is #403F40?

#403F40 is a dark gray, closest to the named color Black Panther. It belongs to the gray family of colors.

What is the RGB value of #403F40?

The RGB value is 64, 63, 64: 64 red, 63 green and 64 blue on a 0 to 255 scale.

What is the complementary color of #403F40?

The complementary color is #3F403F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #403F40?

White text. Black text has a contrast ratio of 2:1 and white text 10.48:1. WCAG asks for at least 4.5:1 for normal text.

#403F40 color

#403F40 rgb(64, 63, 64)

Shades of gray

The hex color #403F40 is a dark gray.

In the RGB color model it is made of 25.1% red, 24.7% green and 25.1% blue (64, 63, 64).

Its hue angle is 300°, with 1% saturation and 25% lightness. For print, the CMYK equivalent is 0% cyan, 2% magenta, 0% yellow and 75% black.

The closest named color is Black Panther (#424242), a difference of 1.4 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 10.48:1).

#403F40 color codes

HEX	`#403F40`
RGB	`rgb(64, 63, 64)`
RGB percent	`rgb(25.1%, 24.7%, 25.1%)`
HSL	`hsl(300, 1%, 25%)`
HSV / HSB	`hsv(300, 2%, 25%)`
CMYK	`cmyk(0%, 2%, 0%, 75%)`
CIE LAB	`lab(26.78, 0.65, -0.46)`
CIE LCH	`lch(26.78, 0.79, 324.52)`
CIE XYZ	`xyz(4.817, 5.015, 5.564)`
Decimal	`4210496`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #403F40, 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 #403F40	Ratio	AA	AAA	AA large
Sample text	2:1	Fail	Fail	Fail
Sample text	10.48:1	Pass	Pass	Pass

#403F40 as text on	Ratio	AA	AAA	AA large
Sample text	10.48:1	Pass	Pass	Pass
Sample text	2:1	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 #403F40 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #403f40; }
.text { color: #403f40; }
.border { border: 2px solid #403f40; }
.transparent { background-color: rgb(64 63 64 / 50%); }
.gradient { background: linear-gradient(to right, #403f40, #403f40); }

Background

Text color

Border

Similar colors

Questions

What color is #403F40?: #403F40 is a dark gray, closest to the named color Black Panther. It belongs to the gray family of colors.
What is the RGB value of #403F40?: The RGB value is 64, 63, 64: 64 red, 63 green and 64 blue on a 0 to 255 scale.
What is the complementary color of #403F40?: The complementary color is #3F403F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #403F40?: White text. Black text has a contrast ratio of 2:1 and white text 10.48:1. WCAG asks for at least 4.5:1 for normal text.