What color is #3F4148?

#3F4148 is a dark gray, closest to the named color In the Dark. It belongs to the gray family of colors.

What is the RGB value of #3F4148?

The RGB value is 63, 65, 72: 63 red, 65 green and 72 blue on a 0 to 255 scale.

What is the complementary color of #3F4148?

The complementary color is #48463F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #3F4148?

White text. Black text has a contrast ratio of 2.06:1 and white text 10.19:1. WCAG asks for at least 4.5:1 for normal text.

#3F4148 color

#3F4148 rgb(63, 65, 72)

Shades of gray

The hex color #3F4148 is a dark gray.

In the RGB color model it is made of 24.7% red, 25.5% green and 28.2% blue (63, 65, 72).

Its hue angle is 227°, with 7% saturation and 26% lightness. For print, the CMYK equivalent is 12% cyan, 10% magenta, 0% yellow and 72% black.

The closest named color is In the Dark (#3B3C41), a difference of 2 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 10.19:1).

#3F4148 color codes

HEX	`#3F4148`
RGB	`rgb(63, 65, 72)`
RGB percent	`rgb(24.7%, 25.5%, 28.2%)`
HSL	`hsl(227, 7%, 26%)`
HSV / HSB	`hsv(227, 12%, 28%)`
CMYK	`cmyk(12%, 10%, 0%, 72%)`
CIE LAB	`lab(27.59, 0.83, -4.53)`
CIE LCH	`lch(27.59, 4.6, 280.41)`
CIE XYZ	`xyz(5.11, 5.305, 6.884)`
Decimal	`4145480`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #3F4148, 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 #3F4148	Ratio	AA	AAA	AA large
Sample text	2.06:1	Fail	Fail	Fail
Sample text	10.19:1	Pass	Pass	Pass

#3F4148 as text on	Ratio	AA	AAA	AA large
Sample text	10.19:1	Pass	Pass	Pass
Sample text	2.06:1	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 #3F4148 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #3f4148; }
.text { color: #3f4148; }
.border { border: 2px solid #3f4148; }
.transparent { background-color: rgb(63 65 72 / 50%); }
.gradient { background: linear-gradient(to right, #3f4148, #423f48); }

Background

Text color

Border

Similar colors

Closest common color name: Graphite.

Questions

What color is #3F4148?: #3F4148 is a dark gray, closest to the named color In the Dark. It belongs to the gray family of colors.
What is the RGB value of #3F4148?: The RGB value is 63, 65, 72: 63 red, 65 green and 72 blue on a 0 to 255 scale.
What is the complementary color of #3F4148?: The complementary color is #48463F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #3F4148?: White text. Black text has a contrast ratio of 2.06:1 and white text 10.19:1. WCAG asks for at least 4.5:1 for normal text.