What color is #3F4961?

#3F4961 is a dark, grayish blue, closest to the named color Bonne Nuit. It belongs to the blue family of colors.

What is the RGB value of #3F4961?

The RGB value is 63, 73, 97: 63 red, 73 green and 97 blue on a 0 to 255 scale.

What is the complementary color of #3F4961?

The complementary color is #61573F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #3F4961?

White text. Black text has a contrast ratio of 2.34:1 and white text 8.99:1. WCAG asks for at least 4.5:1 for normal text.

#3F4961 color

#3F4961 rgb(63, 73, 97)

Shades of blue

The hex color #3F4961 is a dark, grayish blue.

In the RGB color model it is made of 24.7% red, 28.6% green and 38% blue (63, 73, 97).

Its hue angle is 222°, with 21% saturation and 31% lightness. For print, the CMYK equivalent is 35% cyan, 25% magenta, 0% yellow and 62% black.

The closest named color is Bonne Nuit (#3A4866), a difference of 2.3 ΔE, a small difference.

White text is the more readable choice on this background (contrast 8.99:1).

#3F4961 color codes

HEX	`#3F4961`
RGB	`rgb(63, 73, 97)`
RGB percent	`rgb(24.7%, 28.6%, 38%)`
HSL	`hsl(222, 21%, 31%)`
HSV / HSB	`hsv(222, 35%, 38%)`
CMYK	`cmyk(35%, 25%, 0%, 62%)`
CIE LAB	`lab(31.08, 2.48, -15.38)`
CIE LCH	`lch(31.08, 15.58, 279.16)`
CIE XYZ	`xyz(6.589, 6.685, 12.25)`
Decimal	`4147553`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #3F4961, 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 #3F4961	Ratio	AA	AAA	AA large
Sample text	2.34:1	Fail	Fail	Fail
Sample text	8.99:1	Pass	Pass	Pass

#3F4961 as text on	Ratio	AA	AAA	AA large
Sample text	8.99:1	Pass	Pass	Pass
Sample text	2.34:1	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 #3F4961 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #3f4961; }
.text { color: #3f4961; }
.border { border: 2px solid #3f4961; }
.transparent { background-color: rgb(63 73 97 / 50%); }
.gradient { background: linear-gradient(to right, #3f4961, #463f61); }

Background

Text color

Border

Similar colors

Closest common color name: Charcoal.

Questions

What color is #3F4961?: #3F4961 is a dark, grayish blue, closest to the named color Bonne Nuit. It belongs to the blue family of colors.
What is the RGB value of #3F4961?: The RGB value is 63, 73, 97: 63 red, 73 green and 97 blue on a 0 to 255 scale.
What is the complementary color of #3F4961?: The complementary color is #61573F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #3F4961?: White text. Black text has a contrast ratio of 2.34:1 and white text 8.99:1. WCAG asks for at least 4.5:1 for normal text.