What color is #003BFF?

#003BFF is a vivid blue, closest to the named color C64 Blue. It belongs to the blue family of colors.

What is the RGB value of #003BFF?

The RGB value is 0, 59, 255: 0 red, 59 green and 255 blue on a 0 to 255 scale.

What is the complementary color of #003BFF?

The complementary color is #FFC400, found by rotating the hue 180° on the color wheel.

Is black or white text better on #003BFF?

White text. Black text has a contrast ratio of 3.07:1 and white text 6.84:1. WCAG asks for at least 4.5:1 for normal text.

#003BFF color

#003BFF rgb(0, 59, 255)

Shades of blue

The hex color #003BFF is a vivid blue.

In the RGB color model it is made of 0% red, 23.1% green and 100% blue (0, 59, 255).

Its hue angle is 226°, with 100% saturation and 50% lightness. For print, the CMYK equivalent is 100% cyan, 77% magenta, 0% yellow and 0% black.

The closest named color is C64 Blue (#003AFF), a difference of 0.2 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 6.84:1).

#003BFF color codes

HEX	`#003BFF`
RGB	`rgb(0, 59, 255)`
RGB percent	`rgb(0%, 23.1%, 100%)`
HSL	`hsl(226, 100%, 50%)`
HSV / HSB	`hsv(226, 100%, 100%)`
CMYK	`cmyk(100%, 77%, 0%, 0%)`
CIE LAB	`lab(38.46, 60.72, -97.59)`
CIE LCH	`lch(38.46, 114.94, 301.89)`
CIE XYZ	`xyz(19.608, 10.345, 95.552)`
Decimal	`15359`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #003BFF, 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 #003BFF	Ratio	AA	AAA	AA large
Sample text	3.07:1	Fail	Fail	Pass
Sample text	6.84:1	Pass	Fail	Pass

#003BFF as text on	Ratio	AA	AAA	AA large
Sample text	6.84:1	Pass	Fail	Pass
Sample text	3.07:1	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 #003BFF looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #003bff; }
.text { color: #003bff; }
.border { border: 2px solid #003bff; }
.transparent { background-color: rgb(0 59 255 / 50%); }
.gradient { background: linear-gradient(to right, #003bff, #4400ff); }

Background

Text color

Border

Similar colors

Questions

What color is #003BFF?: #003BFF is a vivid blue, closest to the named color C64 Blue. It belongs to the blue family of colors.
What is the RGB value of #003BFF?: The RGB value is 0, 59, 255: 0 red, 59 green and 255 blue on a 0 to 255 scale.
What is the complementary color of #003BFF?: The complementary color is #FFC400, found by rotating the hue 180° on the color wheel.
Is black or white text better on #003BFF?: White text. Black text has a contrast ratio of 3.07:1 and white text 6.84:1. WCAG asks for at least 4.5:1 for normal text.