What color is #3F588C?

#3F588C is a desaturated blue, closest to the named color Glimpse of Void. It belongs to the blue family of colors.

What is the RGB value of #3F588C?

The RGB value is 63, 88, 140: 63 red, 88 green and 140 blue on a 0 to 255 scale.

What is the complementary color of #3F588C?

The complementary color is #8C733F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #3F588C?

White text. Black text has a contrast ratio of 2.99:1 and white text 7.03:1. WCAG asks for at least 4.5:1 for normal text.

#3F588C color

#3F588C rgb(63, 88, 140)

Shades of blue

The hex color #3F588C is a desaturated blue.

In the RGB color model it is made of 24.7% red, 34.5% green and 54.9% blue (63, 88, 140).

Its hue angle is 221°, with 38% saturation and 40% lightness. For print, the CMYK equivalent is 55% cyan, 37% magenta, 0% yellow and 45% black.

The closest named color is Glimpse of Void (#335588), a difference of 2.4 ΔE, a small difference.

White text is the more readable choice on this background (contrast 7.03:1).

#3F588C color codes

HEX	`#3F588C`
RGB	`rgb(63, 88, 140)`
RGB percent	`rgb(24.7%, 34.5%, 54.9%)`
HSL	`hsl(221, 38%, 40%)`
HSV / HSB	`hsv(221, 55%, 55%)`
CMYK	`cmyk(55%, 37%, 0%, 45%)`
CIE LAB	`lab(37.71, 6.63, -31.76)`
CIE LCH	`lch(37.71, 32.44, 281.8)`
CIE XYZ	`xyz(10.272, 9.929, 26.181)`
Decimal	`4151436`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #3F588C, 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 #3F588C	Ratio	AA	AAA	AA large
Sample text	2.99:1	Fail	Fail	Fail
Sample text	7.03:1	Pass	Pass	Pass

#3F588C as text on	Ratio	AA	AAA	AA large
Sample text	7.03:1	Pass	Pass	Pass
Sample text	2.99:1	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 #3F588C looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #3f588c; }
.text { color: #3f588c; }
.border { border: 2px solid #3f588c; }
.transparent { background-color: rgb(63 88 140 / 50%); }
.gradient { background: linear-gradient(to right, #3f588c, #4d3f8c); }

Background

Text color

Border

Similar colors

Closest common color name: Sapphire.

Questions

What color is #3F588C?: #3F588C is a desaturated blue, closest to the named color Glimpse of Void. It belongs to the blue family of colors.
What is the RGB value of #3F588C?: The RGB value is 63, 88, 140: 63 red, 88 green and 140 blue on a 0 to 255 scale.
What is the complementary color of #3F588C?: The complementary color is #8C733F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #3F588C?: White text. Black text has a contrast ratio of 2.99:1 and white text 7.03:1. WCAG asks for at least 4.5:1 for normal text.