What color is #3F5177?

#3F5177 is a dark, desaturated blue, closest to the named color Noble Knight. It belongs to the blue family of colors.

What is the RGB value of #3F5177?

The RGB value is 63, 81, 119: 63 red, 81 green and 119 blue on a 0 to 255 scale.

What is the complementary color of #3F5177?

The complementary color is #77653F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #3F5177?

White text. Black text has a contrast ratio of 2.65:1 and white text 7.91:1. WCAG asks for at least 4.5:1 for normal text.

#3F5177 color

#3F5177 rgb(63, 81, 119)

Shades of blue

The hex color #3F5177 is a dark, desaturated blue.

In the RGB color model it is made of 24.7% red, 31.8% green and 46.7% blue (63, 81, 119).

Its hue angle is 221°, with 31% saturation and 36% lightness. For print, the CMYK equivalent is 47% cyan, 32% magenta, 0% yellow and 53% black.

The closest named color is Noble Knight (#394D78), a difference of 1.8 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 7.91:1).

#3F5177 color codes

HEX	`#3F5177`
RGB	`rgb(63, 81, 119)`
RGB percent	`rgb(24.7%, 31.8%, 46.7%)`
HSL	`hsl(221, 31%, 36%)`
HSV / HSB	`hsv(221, 47%, 47%)`
CMYK	`cmyk(47%, 32%, 0%, 53%)`
CIE LAB	`lab(34.55, 4.15, -23.84)`
CIE LCH	`lch(34.55, 24.2, 279.87)`
CIE XYZ	`xyz(8.321, 8.273, 18.608)`
Decimal	`4149623`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #3F5177, 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 #3F5177	Ratio	AA	AAA	AA large
Sample text	2.65:1	Fail	Fail	Fail
Sample text	7.91:1	Pass	Pass	Pass

#3F5177 as text on	Ratio	AA	AAA	AA large
Sample text	7.91:1	Pass	Pass	Pass
Sample text	2.65:1	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 #3F5177 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #3f5177; }
.text { color: #3f5177; }
.border { border: 2px solid #3f5177; }
.transparent { background-color: rgb(63 81 119 / 50%); }
.gradient { background: linear-gradient(to right, #3f5177, #493f77); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Slate Blue.

Questions

What color is #3F5177?: #3F5177 is a dark, desaturated blue, closest to the named color Noble Knight. It belongs to the blue family of colors.
What is the RGB value of #3F5177?: The RGB value is 63, 81, 119: 63 red, 81 green and 119 blue on a 0 to 255 scale.
What is the complementary color of #3F5177?: The complementary color is #77653F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #3F5177?: White text. Black text has a contrast ratio of 2.65:1 and white text 7.91:1. WCAG asks for at least 4.5:1 for normal text.