What color is #3F4564?

#3F4564 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 #3F4564?

The RGB value is 63, 69, 100: 63 red, 69 green and 100 blue on a 0 to 255 scale.

What is the complementary color of #3F4564?

The complementary color is #645E3F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #3F4564?

White text. Black text has a contrast ratio of 2.25:1 and white text 9.35:1. WCAG asks for at least 4.5:1 for normal text.

#3F4564 color

#3F4564 rgb(63, 69, 100)

Shades of blue

The hex color #3F4564 is a dark, grayish blue.

In the RGB color model it is made of 24.7% red, 27.1% green and 39.2% blue (63, 69, 100).

Its hue angle is 230°, with 23% saturation and 32% lightness. For print, the CMYK equivalent is 37% cyan, 31% magenta, 0% yellow and 61% black.

The closest named color is Genie (#3E4364), a difference of 1 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 9.35:1).

#3F4564 color codes

HEX	`#3F4564`
RGB	`rgb(63, 69, 100)`
RGB percent	`rgb(24.7%, 27.1%, 39.2%)`
HSL	`hsl(230, 23%, 32%)`
HSV / HSB	`hsv(230, 37%, 39%)`
CMYK	`cmyk(37%, 31%, 0%, 61%)`
CIE LAB	`lab(29.99, 5.99, -18.97)`
CIE LCH	`lch(29.99, 19.9, 287.52)`
CIE XYZ	`xyz(6.478, 6.233, 12.916)`
Decimal	`4146532`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #3F4564, 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 #3F4564	Ratio	AA	AAA	AA large
Sample text	2.25:1	Fail	Fail	Fail
Sample text	9.35:1	Pass	Pass	Pass

#3F4564 as text on	Ratio	AA	AAA	AA large
Sample text	9.35:1	Pass	Pass	Pass
Sample text	2.25:1	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 #3F4564 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #3f4564; }
.text { color: #3f4564; }
.border { border: 2px solid #3f4564; }
.transparent { background-color: rgb(63 69 100 / 50%); }
.gradient { background: linear-gradient(to right, #3f4564, #4c3f64); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Slate Blue.

Questions

What color is #3F4564?: #3F4564 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 #3F4564?: The RGB value is 63, 69, 100: 63 red, 69 green and 100 blue on a 0 to 255 scale.
What is the complementary color of #3F4564?: The complementary color is #645E3F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #3F4564?: White text. Black text has a contrast ratio of 2.25:1 and white text 9.35:1. WCAG asks for at least 4.5:1 for normal text.