What color is #3F4137?

#3F4137 is a dark, grayish yellow-green, closest to the named color Heavy Metal. It belongs to the gray family of colors.

What is the RGB value of #3F4137?

The RGB value is 63, 65, 55: 63 red, 65 green and 55 blue on a 0 to 255 scale.

What is the complementary color of #3F4137?

The complementary color is #393741, found by rotating the hue 180° on the color wheel.

Is black or white text better on #3F4137?

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.

#3F4137 color

#3F4137 rgb(63, 65, 55)

Shades of gray

The hex color #3F4137 is a dark, grayish yellow-green.

In the RGB color model it is made of 24.7% red, 25.5% green and 21.6% blue (63, 65, 55).

Its hue angle is 72°, with 8% saturation and 24% lightness. For print, the CMYK equivalent is 3% cyan, 0% magenta, 15% yellow and 75% black.

The closest named color is Heavy Metal (#46473E), a difference of 2.3 ΔE, a small difference.

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

#3F4137 color codes

HEX	`#3F4137`
RGB	`rgb(63, 65, 55)`
RGB percent	`rgb(24.7%, 25.5%, 21.6%)`
HSL	`hsl(72, 8%, 24%)`
HSV / HSB	`hsv(72, 15%, 25%)`
CMYK	`cmyk(3%, 0%, 15%, 75%)`
CIE LAB	`lab(27.05, -2.98, 5.83)`
CIE LCH	`lch(27.05, 6.54, 117.08)`
CIE XYZ	`xyz(4.63, 5.113, 4.357)`
Decimal	`4145463`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #3F4137, 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 #3F4137	Ratio	AA	AAA	AA large
Sample text	2.02:1	Fail	Fail	Fail
Sample text	10.38:1	Pass	Pass	Pass

#3F4137 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 #3F4137 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #3f4137; }
.text { color: #3f4137; }
.border { border: 2px solid #3f4137; }
.transparent { background-color: rgb(63 65 55 / 50%); }
.gradient { background: linear-gradient(to right, #3f4137, #3a4137); }

Background

Text color

Border

Similar colors

Questions

What color is #3F4137?: #3F4137 is a dark, grayish yellow-green, closest to the named color Heavy Metal. It belongs to the gray family of colors.
What is the RGB value of #3F4137?: The RGB value is 63, 65, 55: 63 red, 65 green and 55 blue on a 0 to 255 scale.
What is the complementary color of #3F4137?: The complementary color is #393741, found by rotating the hue 180° on the color wheel.
Is black or white text better on #3F4137?: 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.