What color is #003E9B?

#003E9B is a dark, vivid azure, closest to the named color Cobalt Blue. It belongs to the blue family of colors.

What is the RGB value of #003E9B?

The RGB value is 0, 62, 155: 0 red, 62 green and 155 blue on a 0 to 255 scale.

What is the complementary color of #003E9B?

The complementary color is #9B5D00, found by rotating the hue 180° on the color wheel.

Is black or white text better on #003E9B?

White text. Black text has a contrast ratio of 2.16:1 and white text 9.71:1. WCAG asks for at least 4.5:1 for normal text.

#003E9B color

#003E9B rgb(0, 62, 155)

Shades of blue

The hex color #003E9B is a dark, vivid azure.

In the RGB color model it is made of 0% red, 24.3% green and 60.8% blue (0, 62, 155).

Its hue angle is 216°, with 100% saturation and 30% lightness. For print, the CMYK equivalent is 100% cyan, 60% magenta, 0% yellow and 39% black.

The closest named color is Cobalt Blue (#0047AB), a difference of 3.3 ΔE, a small difference.

White text is the more readable choice on this background (contrast 9.71:1).

#003E9B color codes

HEX	`#003E9B`
RGB	`rgb(0, 62, 155)`
RGB percent	`rgb(0%, 24.3%, 60.8%)`
HSL	`hsl(216, 100%, 30%)`
HSV / HSB	`hsv(216, 100%, 61%)`
CMYK	`cmyk(100%, 60%, 0%, 39%)`
CIE LAB	`lab(28.93, 22.09, -55.12)`
CIE LCH	`lch(28.93, 59.38, 291.84)`
CIE XYZ	`xyz(7.637, 5.811, 31.723)`
Decimal	`16027`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #003E9B, 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 #003E9B	Ratio	AA	AAA	AA large
Sample text	2.16:1	Fail	Fail	Fail
Sample text	9.71:1	Pass	Pass	Pass

#003E9B as text on	Ratio	AA	AAA	AA large
Sample text	9.71:1	Pass	Pass	Pass
Sample text	2.16:1	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 #003E9B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #003e9b; }
.text { color: #003e9b; }
.border { border: 2px solid #003e9b; }
.transparent { background-color: rgb(0 62 155 / 50%); }
.gradient { background: linear-gradient(to right, #003e9b, #0f009b); }

Background

Text color

Border

Similar colors

Questions

What color is #003E9B?: #003E9B is a dark, vivid azure, closest to the named color Cobalt Blue. It belongs to the blue family of colors.
What is the RGB value of #003E9B?: The RGB value is 0, 62, 155: 0 red, 62 green and 155 blue on a 0 to 255 scale.
What is the complementary color of #003E9B?: The complementary color is #9B5D00, found by rotating the hue 180° on the color wheel.
Is black or white text better on #003E9B?: White text. Black text has a contrast ratio of 2.16:1 and white text 9.71:1. WCAG asks for at least 4.5:1 for normal text.