What color is #3F647A?

#3F647A is a dark, desaturated azure, closest to the named color Stellar. It belongs to the blue family of colors.

What is the RGB value of #3F647A?

The RGB value is 63, 100, 122: 63 red, 100 green and 122 blue on a 0 to 255 scale.

What is the complementary color of #3F647A?

The complementary color is #7A553F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #3F647A?

White text. Black text has a contrast ratio of 3.32:1 and white text 6.33:1. WCAG asks for at least 4.5:1 for normal text.

#3F647A color

#3F647A rgb(63, 100, 122)

Shades of blue

The hex color #3F647A is a dark, desaturated azure.

In the RGB color model it is made of 24.7% red, 39.2% green and 47.8% blue (63, 100, 122).

Its hue angle is 202°, with 32% saturation and 36% lightness. For print, the CMYK equivalent is 48% cyan, 18% magenta, 0% yellow and 52% black.

The closest named color is Stellar (#46647E), a difference of 3.3 ΔE, a small difference.

White text is the more readable choice on this background (contrast 6.33:1).

#3F647A color codes

HEX	`#3F647A`
RGB	`rgb(63, 100, 122)`
RGB percent	`rgb(24.7%, 39.2%, 47.8%)`
HSL	`hsl(202, 32%, 36%)`
HSV / HSB	`hsv(202, 48%, 48%)`
CMYK	`cmyk(48%, 18%, 0%, 52%)`
CIE LAB	`lab(40.53, -6.71, -16.43)`
CIE LCH	`lch(40.53, 17.74, 247.79)`
CIE XYZ	`xyz(10.119, 11.576, 20.11)`
Decimal	`4154490`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #3F647A, 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 #3F647A	Ratio	AA	AAA	AA large
Sample text	3.32:1	Fail	Fail	Pass
Sample text	6.33:1	Pass	Fail	Pass

#3F647A as text on	Ratio	AA	AAA	AA large
Sample text	6.33:1	Pass	Fail	Pass
Sample text	3.32:1	Fail	Fail	Pass

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 #3F647A looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #3f647a; }
.text { color: #3f647a; }
.border { border: 2px solid #3f647a; }
.transparent { background-color: rgb(63 100 122 / 50%); }
.gradient { background: linear-gradient(to right, #3f647a, #3f467a); }

Background

Text color

Border

Similar colors

Closest common color name: Cerulean.

Questions

What color is #3F647A?: #3F647A is a dark, desaturated azure, closest to the named color Stellar. It belongs to the blue family of colors.
What is the RGB value of #3F647A?: The RGB value is 63, 100, 122: 63 red, 100 green and 122 blue on a 0 to 255 scale.
What is the complementary color of #3F647A?: The complementary color is #7A553F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #3F647A?: White text. Black text has a contrast ratio of 3.32:1 and white text 6.33:1. WCAG asks for at least 4.5:1 for normal text.