What color is #3F4975?

#3F4975 is a dark, desaturated blue, closest to the named color Starlit Night. It belongs to the blue family of colors.

What is the RGB value of #3F4975?

The RGB value is 63, 73, 117: 63 red, 73 green and 117 blue on a 0 to 255 scale.

What is the complementary color of #3F4975?

The complementary color is #756B3F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #3F4975?

White text. Black text has a contrast ratio of 2.42:1 and white text 8.67:1. WCAG asks for at least 4.5:1 for normal text.

#3F4975 color

#3F4975 rgb(63, 73, 117)

Shades of blue

The hex color #3F4975 is a dark, desaturated blue.

In the RGB color model it is made of 24.7% red, 28.6% green and 45.9% blue (63, 73, 117).

Its hue angle is 229°, with 30% saturation and 35% lightness. For print, the CMYK equivalent is 46% cyan, 38% magenta, 0% yellow and 54% black.

The closest named color is Starlit Night (#3B476B), a difference of 2.3 ΔE, a small difference.

White text is the more readable choice on this background (contrast 8.67:1).

#3F4975 color codes

HEX	`#3F4975`
RGB	`rgb(63, 73, 117)`
RGB percent	`rgb(24.7%, 28.6%, 45.9%)`
HSL	`hsl(229, 30%, 35%)`
HSV / HSB	`hsv(229, 46%, 46%)`
CMYK	`cmyk(46%, 38%, 0%, 54%)`
CIE LAB	`lab(32.05, 8.71, -26.51)`
CIE LCH	`lch(32.05, 27.9, 288.19)`
CIE XYZ	`xyz(7.642, 7.106, 17.795)`
Decimal	`4147573`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #3F4975, 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 #3F4975	Ratio	AA	AAA	AA large
Sample text	2.42:1	Fail	Fail	Fail
Sample text	8.67:1	Pass	Pass	Pass

#3F4975 as text on	Ratio	AA	AAA	AA large
Sample text	8.67:1	Pass	Pass	Pass
Sample text	2.42:1	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 #3F4975 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #3f4975; }
.text { color: #3f4975; }
.border { border: 2px solid #3f4975; }
.transparent { background-color: rgb(63 73 117 / 50%); }
.gradient { background: linear-gradient(to right, #3f4975, #503f75); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Slate Blue.

Questions

What color is #3F4975?: #3F4975 is a dark, desaturated blue, closest to the named color Starlit Night. It belongs to the blue family of colors.
What is the RGB value of #3F4975?: The RGB value is 63, 73, 117: 63 red, 73 green and 117 blue on a 0 to 255 scale.
What is the complementary color of #3F4975?: The complementary color is #756B3F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #3F4975?: White text. Black text has a contrast ratio of 2.42:1 and white text 8.67:1. WCAG asks for at least 4.5:1 for normal text.