What color is #3F4956?

#3F4956 is a dark, grayish azure, closest to the named color Starless Night. It belongs to the gray family of colors.

What is the RGB value of #3F4956?

The RGB value is 63, 73, 86: 63 red, 73 green and 86 blue on a 0 to 255 scale.

What is the complementary color of #3F4956?

The complementary color is #564C3F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #3F4956?

White text. Black text has a contrast ratio of 2.3:1 and white text 9.14:1. WCAG asks for at least 4.5:1 for normal text.

#3F4956 color

#3F4956 rgb(63, 73, 86)

Shades of gray

The hex color #3F4956 is a dark, grayish azure.

In the RGB color model it is made of 24.7% red, 28.6% green and 33.7% blue (63, 73, 86).

Its hue angle is 214°, with 15% saturation and 29% lightness. For print, the CMYK equivalent is 27% cyan, 15% magenta, 0% yellow and 66% black.

The closest named color is Starless Night (#3E4855), a difference of 0.3 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 9.14:1).

#3F4956 color codes

HEX	`#3F4956`
RGB	`rgb(63, 73, 86)`
RGB percent	`rgb(24.7%, 28.6%, 33.7%)`
HSL	`hsl(214, 15%, 29%)`
HSV / HSB	`hsv(214, 27%, 34%)`
CMYK	`cmyk(27%, 15%, 0%, 66%)`
CIE LAB	`lab(30.62, -0.66, -9.04)`
CIE LCH	`lch(30.62, 9.06, 265.85)`
CIE XYZ	`xyz(6.112, 6.494, 9.734)`
Decimal	`4147542`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #3F4956, 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 #3F4956	Ratio	AA	AAA	AA large
Sample text	2.3:1	Fail	Fail	Fail
Sample text	9.14:1	Pass	Pass	Pass

#3F4956 as text on	Ratio	AA	AAA	AA large
Sample text	9.14:1	Pass	Pass	Pass
Sample text	2.3:1	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 #3F4956 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #3f4956; }
.text { color: #3f4956; }
.border { border: 2px solid #3f4956; }
.transparent { background-color: rgb(63 73 86 / 50%); }
.gradient { background: linear-gradient(to right, #3f4956, #413f56); }

Background

Text color

Border

Similar colors

Closest common color name: Charcoal.

Questions

What color is #3F4956?: #3F4956 is a dark, grayish azure, closest to the named color Starless Night. It belongs to the gray family of colors.
What is the RGB value of #3F4956?: The RGB value is 63, 73, 86: 63 red, 73 green and 86 blue on a 0 to 255 scale.
What is the complementary color of #3F4956?: The complementary color is #564C3F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #3F4956?: White text. Black text has a contrast ratio of 2.3:1 and white text 9.14:1. WCAG asks for at least 4.5:1 for normal text.