What color is #3F5583?

#3F5583 is a desaturated blue, closest to the named color Sailor. It belongs to the blue family of colors.

What is the RGB value of #3F5583?

The RGB value is 63, 85, 131: 63 red, 85 green and 131 blue on a 0 to 255 scale.

What is the complementary color of #3F5583?

The complementary color is #836D3F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #3F5583?

White text. Black text has a contrast ratio of 2.84:1 and white text 7.4:1. WCAG asks for at least 4.5:1 for normal text.

#3F5583 color

#3F5583 rgb(63, 85, 131)

Shades of blue

The hex color #3F5583 is a desaturated blue.

In the RGB color model it is made of 24.7% red, 33.3% green and 51.4% blue (63, 85, 131).

Its hue angle is 221°, with 35% saturation and 38% lightness. For print, the CMYK equivalent is 52% cyan, 35% magenta, 0% yellow and 49% black.

The closest named color is Sailor (#445780), a difference of 1.4 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 7.4:1).

#3F5583 color codes

HEX	`#3F5583`
RGB	`rgb(63, 85, 131)`
RGB percent	`rgb(24.7%, 33.3%, 51.4%)`
HSL	`hsl(221, 35%, 38%)`
HSV / HSB	`hsv(221, 52%, 51%)`
CMYK	`cmyk(52%, 35%, 0%, 49%)`
CIE LAB	`lab(36.35, 5.52, -28.41)`
CIE LCH	`lch(36.35, 28.95, 281)`
CIE XYZ	`xyz(9.394, 9.192, 22.748)`
Decimal	`4150659`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #3F5583, 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 #3F5583	Ratio	AA	AAA	AA large
Sample text	2.84:1	Fail	Fail	Fail
Sample text	7.4:1	Pass	Pass	Pass

#3F5583 as text on	Ratio	AA	AAA	AA large
Sample text	7.4:1	Pass	Pass	Pass
Sample text	2.84:1	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 #3F5583 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #3f5583; }
.text { color: #3f5583; }
.border { border: 2px solid #3f5583; }
.transparent { background-color: rgb(63 85 131 / 50%); }
.gradient { background: linear-gradient(to right, #3f5583, #4b3f83); }

Background

Text color

Border

Similar colors

Closest common color name: Cobalt Blue.

Questions

What color is #3F5583?: #3F5583 is a desaturated blue, closest to the named color Sailor. It belongs to the blue family of colors.
What is the RGB value of #3F5583?: The RGB value is 63, 85, 131: 63 red, 85 green and 131 blue on a 0 to 255 scale.
What is the complementary color of #3F5583?: The complementary color is #836D3F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #3F5583?: White text. Black text has a contrast ratio of 2.84:1 and white text 7.4:1. WCAG asks for at least 4.5:1 for normal text.