What color is #3F4042?

#3F4042 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 #3F4042?

The RGB value is 63, 64, 66: 63 red, 64 green and 66 blue on a 0 to 255 scale.

What is the complementary color of #3F4042?

The complementary color is #42413F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #3F4042?

White text. Black text has a contrast ratio of 2.02:1 and white text 10.38:1. WCAG asks for at least 4.5:1 for normal text.

#3F4042 color

#3F4042 rgb(63, 64, 66)

Shades of gray

The hex color #3F4042 is a dark gray.

In the RGB color model it is made of 24.7% red, 25.1% green and 25.9% blue (63, 64, 66).

Its hue angle is 220°, with 2% saturation and 25% lightness. For print, the CMYK equivalent is 5% cyan, 3% magenta, 0% yellow and 74% black.

The closest named color is Black Panther (#424242), a difference of 1.5 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 10.38:1).

#3F4042 color codes

HEX	`#3F4042`
RGB	`rgb(63, 64, 66)`
RGB percent	`rgb(24.7%, 25.1%, 25.9%)`
HSL	`hsl(220, 2%, 25%)`
HSV / HSB	`hsv(220, 5%, 26%)`
CMYK	`cmyk(5%, 3%, 0%, 74%)`
CIE LAB	`lab(27.07, 0.04, -1.37)`
CIE LCH	`lch(27.07, 1.37, 271.62)`
CIE XYZ	`xyz(4.866, 5.117, 5.884)`
Decimal	`4145218`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #3F4042, 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 #3F4042	Ratio	AA	AAA	AA large
Sample text	2.02:1	Fail	Fail	Fail
Sample text	10.38:1	Pass	Pass	Pass

#3F4042 as text on	Ratio	AA	AAA	AA large
Sample text	10.38:1	Pass	Pass	Pass
Sample text	2.02:1	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 #3F4042 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #3f4042; }
.text { color: #3f4042; }
.border { border: 2px solid #3f4042; }
.transparent { background-color: rgb(63 64 66 / 50%); }
.gradient { background: linear-gradient(to right, #3f4042, #403f42); }

Background

Text color

Border

Similar colors

Questions

What color is #3F4042?: #3F4042 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 #3F4042?: The RGB value is 63, 64, 66: 63 red, 64 green and 66 blue on a 0 to 255 scale.
What is the complementary color of #3F4042?: The complementary color is #42413F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #3F4042?: White text. Black text has a contrast ratio of 2.02:1 and white text 10.38:1. WCAG asks for at least 4.5:1 for normal text.