What color is #3F5A6D?

#3F5A6D is a dark, desaturated azure, closest to the named color Stargazer. It belongs to the blue family of colors.

What is the RGB value of #3F5A6D?

The RGB value is 63, 90, 109: 63 red, 90 green and 109 blue on a 0 to 255 scale.

What is the complementary color of #3F5A6D?

The complementary color is #6D523F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #3F5A6D?

White text. Black text has a contrast ratio of 2.89:1 and white text 7.25:1. WCAG asks for at least 4.5:1 for normal text.

#3F5A6D color

#3F5A6D rgb(63, 90, 109)

Shades of blue

The hex color #3F5A6D is a dark, desaturated azure.

In the RGB color model it is made of 24.7% red, 35.3% green and 42.7% blue (63, 90, 109).

Its hue angle is 205°, with 27% saturation and 34% lightness. For print, the CMYK equivalent is 42% cyan, 17% magenta, 0% yellow and 57% black.

The closest named color is Stargazer (#3F5865), a difference of 2.9 ΔE, a small difference.

White text is the more readable choice on this background (contrast 7.25:1).

#3F5A6D color codes

HEX	`#3F5A6D`
RGB	`rgb(63, 90, 109)`
RGB percent	`rgb(24.7%, 35.3%, 42.7%)`
HSL	`hsl(205, 27%, 34%)`
HSV / HSB	`hsv(205, 42%, 43%)`
CMYK	`cmyk(42%, 17%, 0%, 57%)`
CIE LAB	`lab(36.88, -4.63, -14.03)`
CIE LCH	`lch(36.88, 14.78, 251.73)`
CIE XYZ	`xyz(8.465, 9.473, 15.847)`
Decimal	`4151917`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #3F5A6D, 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 #3F5A6D	Ratio	AA	AAA	AA large
Sample text	2.89:1	Fail	Fail	Fail
Sample text	7.25:1	Pass	Pass	Pass

#3F5A6D as text on	Ratio	AA	AAA	AA large
Sample text	7.25:1	Pass	Pass	Pass
Sample text	2.89:1	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 #3F5A6D looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #3f5a6d; }
.text { color: #3f5a6d; }
.border { border: 2px solid #3f5a6d; }
.transparent { background-color: rgb(63 90 109 / 50%); }
.gradient { background: linear-gradient(to right, #3f5a6d, #3f436d); }

Background

Text color

Border

Similar colors

Closest common color name: Charcoal.

Questions

What color is #3F5A6D?: #3F5A6D is a dark, desaturated azure, closest to the named color Stargazer. It belongs to the blue family of colors.
What is the RGB value of #3F5A6D?: The RGB value is 63, 90, 109: 63 red, 90 green and 109 blue on a 0 to 255 scale.
What is the complementary color of #3F5A6D?: The complementary color is #6D523F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #3F5A6D?: White text. Black text has a contrast ratio of 2.89:1 and white text 7.25:1. WCAG asks for at least 4.5:1 for normal text.