What color is #3F4E6B?

#3F4E6B is a dark, desaturated azure, closest to the named color Naval Blue. It belongs to the blue family of colors.

What is the RGB value of #3F4E6B?

The RGB value is 63, 78, 107: 63 red, 78 green and 107 blue on a 0 to 255 scale.

What is the complementary color of #3F4E6B?

The complementary color is #6B5C3F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #3F4E6B?

White text. Black text has a contrast ratio of 2.51:1 and white text 8.36:1. WCAG asks for at least 4.5:1 for normal text.

#3F4E6B color

#3F4E6B rgb(63, 78, 107)

Shades of blue

The hex color #3F4E6B is a dark, desaturated azure.

In the RGB color model it is made of 24.7% red, 30.6% green and 42% blue (63, 78, 107).

Its hue angle is 220°, with 26% saturation and 33% lightness. For print, the CMYK equivalent is 41% cyan, 27% magenta, 0% yellow and 58% black.

The closest named color is Naval Blue (#384B6B), a difference of 1.8 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 8.36:1).

#3F4E6B color codes

HEX	`#3F4E6B`
RGB	`rgb(63, 78, 107)`
RGB percent	`rgb(24.7%, 30.6%, 42%)`
HSL	`hsl(220, 26%, 33%)`
HSV / HSB	`hsv(220, 41%, 42%)`
CMYK	`cmyk(41%, 27%, 0%, 58%)`
CIE LAB	`lab(33.06, 2.28, -18.65)`
CIE LCH	`lch(33.06, 18.79, 276.98)`
CIE XYZ	`xyz(7.427, 7.567, 14.976)`
Decimal	`4148843`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #3F4E6B, 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 #3F4E6B	Ratio	AA	AAA	AA large
Sample text	2.51:1	Fail	Fail	Fail
Sample text	8.36:1	Pass	Pass	Pass

#3F4E6B as text on	Ratio	AA	AAA	AA large
Sample text	8.36:1	Pass	Pass	Pass
Sample text	2.51:1	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 #3F4E6B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #3f4e6b; }
.text { color: #3f4e6b; }
.border { border: 2px solid #3f4e6b; }
.transparent { background-color: rgb(63 78 107 / 50%); }
.gradient { background: linear-gradient(to right, #3f4e6b, #463f6b); }

Background

Text color

Border

Similar colors

Closest common color name: Charcoal.

Questions

What color is #3F4E6B?: #3F4E6B is a dark, desaturated azure, closest to the named color Naval Blue. It belongs to the blue family of colors.
What is the RGB value of #3F4E6B?: The RGB value is 63, 78, 107: 63 red, 78 green and 107 blue on a 0 to 255 scale.
What is the complementary color of #3F4E6B?: The complementary color is #6B5C3F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #3F4E6B?: White text. Black text has a contrast ratio of 2.51:1 and white text 8.36:1. WCAG asks for at least 4.5:1 for normal text.