What color is #3D51BF?

#3D51BF is a moderate blue, closest to the named color Flying Fish Blue. It belongs to the blue family of colors.

What is the RGB value of #3D51BF?

The RGB value is 61, 81, 191: 61 red, 81 green and 191 blue on a 0 to 255 scale.

What is the complementary color of #3D51BF?

The complementary color is #BFAB3D, found by rotating the hue 180° on the color wheel.

Is black or white text better on #3D51BF?

White text. Black text has a contrast ratio of 3.13:1 and white text 6.71:1. WCAG asks for at least 4.5:1 for normal text.

#3D51BF color

#3D51BF rgb(61, 81, 191)

Shades of blue

The hex color #3D51BF is a moderate blue.

In the RGB color model it is made of 23.9% red, 31.8% green and 74.9% blue (61, 81, 191).

Its hue angle is 231°, with 52% saturation and 49% lightness. For print, the CMYK equivalent is 68% cyan, 58% magenta, 0% yellow and 25% black.

The closest named color is Flying Fish Blue (#024ACA), a difference of 3.8 ΔE, a small difference.

White text is the more readable choice on this background (contrast 6.71:1).

#3D51BF color codes

HEX	`#3D51BF`
RGB	`rgb(61, 81, 191)`
RGB percent	`rgb(23.9%, 31.8%, 74.9%)`
HSL	`hsl(231, 52%, 49%)`
HSV / HSB	`hsv(231, 68%, 75%)`
CMYK	`cmyk(68%, 58%, 0%, 25%)`
CIE LAB	`lab(38.96, 28.82, -60.13)`
CIE LCH	`lch(38.96, 66.68, 295.61)`
CIE XYZ	`xyz(14.268, 10.637, 50.581)`
Decimal	`4018623`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #3D51BF, 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 #3D51BF	Ratio	AA	AAA	AA large
Sample text	3.13:1	Fail	Fail	Pass
Sample text	6.71:1	Pass	Fail	Pass

#3D51BF as text on	Ratio	AA	AAA	AA large
Sample text	6.71:1	Pass	Fail	Pass
Sample text	3.13:1	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 #3D51BF looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #3d51bf; }
.text { color: #3d51bf; }
.border { border: 2px solid #3d51bf; }
.transparent { background-color: rgb(61 81 191 / 50%); }
.gradient { background: linear-gradient(to right, #3d51bf, #6a3dbf); }

Background

Text color

Border

Similar colors

Questions

What color is #3D51BF?: #3D51BF is a moderate blue, closest to the named color Flying Fish Blue. It belongs to the blue family of colors.
What is the RGB value of #3D51BF?: The RGB value is 61, 81, 191: 61 red, 81 green and 191 blue on a 0 to 255 scale.
What is the complementary color of #3D51BF?: The complementary color is #BFAB3D, found by rotating the hue 180° on the color wheel.
Is black or white text better on #3D51BF?: White text. Black text has a contrast ratio of 3.13:1 and white text 6.71:1. WCAG asks for at least 4.5:1 for normal text.