What color is #3A3F5B?

#3A3F5B is a dark, grayish blue, closest to the named color Genie. It belongs to the blue family of colors.

What is the RGB value of #3A3F5B?

The RGB value is 58, 63, 91: 58 red, 63 green and 91 blue on a 0 to 255 scale.

What is the complementary color of #3A3F5B?

The complementary color is #5B563A, found by rotating the hue 180° on the color wheel.

Is black or white text better on #3A3F5B?

White text. Black text has a contrast ratio of 2.04:1 and white text 10.28:1. WCAG asks for at least 4.5:1 for normal text.

#3A3F5B color

#3A3F5B rgb(58, 63, 91)

Shades of blue

The hex color #3A3F5B is a dark, grayish blue.

In the RGB color model it is made of 22.7% red, 24.7% green and 35.7% blue (58, 63, 91).

Its hue angle is 231°, with 22% saturation and 29% lightness. For print, the CMYK equivalent is 36% cyan, 31% magenta, 0% yellow and 64% black.

The closest named color is Genie (#3E4364), a difference of 2.2 ΔE, a small difference.

White text is the more readable choice on this background (contrast 10.28:1).

#3A3F5B color codes

HEX	`#3A3F5B`
RGB	`rgb(58, 63, 91)`
RGB percent	`rgb(22.7%, 24.7%, 35.7%)`
HSL	`hsl(231, 22%, 29%)`
HSV / HSB	`hsv(231, 36%, 36%)`
CMYK	`cmyk(36%, 31%, 0%, 64%)`
CIE LAB	`lab(27.32, 5.6, -17.35)`
CIE LCH	`lch(27.32, 18.23, 287.87)`
CIE XYZ	`xyz(5.41, 5.21, 10.616)`
Decimal	`3817307`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #3A3F5B, 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 #3A3F5B	Ratio	AA	AAA	AA large
Sample text	2.04:1	Fail	Fail	Fail
Sample text	10.28:1	Pass	Pass	Pass

#3A3F5B as text on	Ratio	AA	AAA	AA large
Sample text	10.28:1	Pass	Pass	Pass
Sample text	2.04:1	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 #3A3F5B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #3a3f5b; }
.text { color: #3a3f5b; }
.border { border: 2px solid #3a3f5b; }
.transparent { background-color: rgb(58 63 91 / 50%); }
.gradient { background: linear-gradient(to right, #3a3f5b, #453a5b); }

Background

Text color

Border

Similar colors

Closest common color name: Prussian Blue.

Questions

What color is #3A3F5B?: #3A3F5B is a dark, grayish blue, closest to the named color Genie. It belongs to the blue family of colors.
What is the RGB value of #3A3F5B?: The RGB value is 58, 63, 91: 58 red, 63 green and 91 blue on a 0 to 255 scale.
What is the complementary color of #3A3F5B?: The complementary color is #5B563A, found by rotating the hue 180° on the color wheel.
Is black or white text better on #3A3F5B?: White text. Black text has a contrast ratio of 2.04:1 and white text 10.28:1. WCAG asks for at least 4.5:1 for normal text.