What color is #3F4C68?

#3F4C68 is a dark, grayish blue, closest to the named color Bonne Nuit. It belongs to the blue family of colors.

What is the RGB value of #3F4C68?

The RGB value is 63, 76, 104: 63 red, 76 green and 104 blue on a 0 to 255 scale.

What is the complementary color of #3F4C68?

The complementary color is #685B3F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #3F4C68?

White text. Black text has a contrast ratio of 2.45:1 and white text 8.59:1. WCAG asks for at least 4.5:1 for normal text.

#3F4C68 color

#3F4C68 rgb(63, 76, 104)

Shades of blue

The hex color #3F4C68 is a dark, grayish blue.

In the RGB color model it is made of 24.7% red, 29.8% green and 40.8% blue (63, 76, 104).

Its hue angle is 221°, with 25% saturation and 33% lightness. For print, the CMYK equivalent is 39% cyan, 27% magenta, 0% yellow and 59% black.

The closest named color is Bonne Nuit (#3A4866), a difference of 1.5 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 8.59:1).

#3F4C68 color codes

HEX	`#3F4C68`
RGB	`rgb(63, 76, 104)`
RGB percent	`rgb(24.7%, 29.8%, 40.8%)`
HSL	`hsl(221, 25%, 33%)`
HSV / HSB	`hsv(221, 39%, 41%)`
CMYK	`cmyk(39%, 27%, 0%, 59%)`
CIE LAB	`lab(32.31, 2.65, -17.92)`
CIE LCH	`lch(32.31, 18.11, 278.41)`
CIE XYZ	`xyz(7.132, 7.225, 14.113)`
Decimal	`4148328`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #3F4C68, 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 #3F4C68	Ratio	AA	AAA	AA large
Sample text	2.45:1	Fail	Fail	Fail
Sample text	8.59:1	Pass	Pass	Pass

#3F4C68 as text on	Ratio	AA	AAA	AA large
Sample text	8.59:1	Pass	Pass	Pass
Sample text	2.45:1	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 #3F4C68 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #3f4c68; }
.text { color: #3f4c68; }
.border { border: 2px solid #3f4c68; }
.transparent { background-color: rgb(63 76 104 / 50%); }
.gradient { background: linear-gradient(to right, #3f4c68, #473f68); }

Background

Text color

Border

Similar colors

Closest common color name: Charcoal.

Questions

What color is #3F4C68?: #3F4C68 is a dark, grayish blue, closest to the named color Bonne Nuit. It belongs to the blue family of colors.
What is the RGB value of #3F4C68?: The RGB value is 63, 76, 104: 63 red, 76 green and 104 blue on a 0 to 255 scale.
What is the complementary color of #3F4C68?: The complementary color is #685B3F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #3F4C68?: White text. Black text has a contrast ratio of 2.45:1 and white text 8.59:1. WCAG asks for at least 4.5:1 for normal text.