What color is #3F5374?

#3F5374 is a dark, desaturated azure, closest to the named color St. Tropaz. It belongs to the blue family of colors.

What is the RGB value of #3F5374?

The RGB value is 63, 83, 116: 63 red, 83 green and 116 blue on a 0 to 255 scale.

What is the complementary color of #3F5374?

The complementary color is #74603F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #3F5374?

White text. Black text has a contrast ratio of 2.7:1 and white text 7.78:1. WCAG asks for at least 4.5:1 for normal text.

#3F5374 color

#3F5374 rgb(63, 83, 116)

Shades of blue

The hex color #3F5374 is a dark, desaturated azure.

In the RGB color model it is made of 24.7% red, 32.5% green and 45.5% blue (63, 83, 116).

Its hue angle is 217°, with 30% saturation and 35% lightness. For print, the CMYK equivalent is 46% cyan, 28% magenta, 0% yellow and 55% black.

The closest named color is St. Tropaz (#39527D), a difference of 2.5 ΔE, a small difference.

White text is the more readable choice on this background (contrast 7.78:1).

#3F5374 color codes

HEX	`#3F5374`
RGB	`rgb(63, 83, 116)`
RGB percent	`rgb(24.7%, 32.5%, 45.5%)`
HSL	`hsl(217, 30%, 35%)`
HSV / HSB	`hsv(217, 46%, 45%)`
CMYK	`cmyk(46%, 28%, 0%, 55%)`
CIE LAB	`lab(35.01, 1.91, -21.25)`
CIE LCH	`lch(35.01, 21.34, 275.12)`
CIE XYZ	`xyz(8.295, 8.504, 17.724)`
Decimal	`4150132`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #3F5374, 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 #3F5374	Ratio	AA	AAA	AA large
Sample text	2.7:1	Fail	Fail	Fail
Sample text	7.78:1	Pass	Pass	Pass

#3F5374 as text on	Ratio	AA	AAA	AA large
Sample text	7.78:1	Pass	Pass	Pass
Sample text	2.7:1	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 #3F5374 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #3f5374; }
.text { color: #3f5374; }
.border { border: 2px solid #3f5374; }
.transparent { background-color: rgb(63 83 116 / 50%); }
.gradient { background: linear-gradient(to right, #3f5374, #463f74); }

Background

Text color

Border

Similar colors

Closest common color name: Charcoal.

Questions

What color is #3F5374?: #3F5374 is a dark, desaturated azure, closest to the named color St. Tropaz. It belongs to the blue family of colors.
What is the RGB value of #3F5374?: The RGB value is 63, 83, 116: 63 red, 83 green and 116 blue on a 0 to 255 scale.
What is the complementary color of #3F5374?: The complementary color is #74603F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #3F5374?: White text. Black text has a contrast ratio of 2.7:1 and white text 7.78:1. WCAG asks for at least 4.5:1 for normal text.