What color is #3F619D?

#3F619D is a desaturated azure, closest to the named color Starstruck. It belongs to the blue family of colors.

What is the RGB value of #3F619D?

The RGB value is 63, 97, 157: 63 red, 97 green and 157 blue on a 0 to 255 scale.

What is the complementary color of #3F619D?

The complementary color is #9D7B3F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #3F619D?

White text. Black text has a contrast ratio of 3.41:1 and white text 6.16:1. WCAG asks for at least 4.5:1 for normal text.

#3F619D color

#3F619D rgb(63, 97, 157)

Shades of blue

The hex color #3F619D is a desaturated azure.

In the RGB color model it is made of 24.7% red, 38% green and 61.6% blue (63, 97, 157).

Its hue angle is 218°, with 43% saturation and 43% lightness. For print, the CMYK equivalent is 60% cyan, 38% magenta, 0% yellow and 38% black.

The closest named color is Starstruck (#4664A5), a difference of 1.8 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 6.16:1).

#3F619D color codes

HEX	`#3F619D`
RGB	`rgb(63, 97, 157)`
RGB percent	`rgb(24.7%, 38%, 61.6%)`
HSL	`hsl(218, 43%, 43%)`
HSV / HSB	`hsv(218, 60%, 62%)`
CMYK	`cmyk(60%, 38%, 0%, 38%)`
CIE LAB	`lab(41.28, 6.75, -36.34)`
CIE LCH	`lch(41.28, 36.97, 280.53)`
CIE XYZ	`xyz(12.408, 12.039, 33.562)`
Decimal	`4153757`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #3F619D, 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 #3F619D	Ratio	AA	AAA	AA large
Sample text	3.41:1	Fail	Fail	Pass
Sample text	6.16:1	Pass	Fail	Pass

#3F619D as text on	Ratio	AA	AAA	AA large
Sample text	6.16:1	Pass	Fail	Pass
Sample text	3.41:1	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 #3F619D looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #3f619d; }
.text { color: #3f619d; }
.border { border: 2px solid #3f619d; }
.transparent { background-color: rgb(63 97 157 / 50%); }
.gradient { background: linear-gradient(to right, #3f619d, #4c3f9d); }

Background

Text color

Border

Similar colors

Closest common color name: Denim.

Questions

What color is #3F619D?: #3F619D is a desaturated azure, closest to the named color Starstruck. It belongs to the blue family of colors.
What is the RGB value of #3F619D?: The RGB value is 63, 97, 157: 63 red, 97 green and 157 blue on a 0 to 255 scale.
What is the complementary color of #3F619D?: The complementary color is #9D7B3F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #3F619D?: White text. Black text has a contrast ratio of 3.41:1 and white text 6.16:1. WCAG asks for at least 4.5:1 for normal text.