What color is #1B3463?

#1B3463 is a dark, moderate azure, closest to the named color Atlantic Navy. It belongs to the blue family of colors.

What is the RGB value of #1B3463?

The RGB value is 27, 52, 99: 27 red, 52 green and 99 blue on a 0 to 255 scale.

What is the complementary color of #1B3463?

The complementary color is #634A1B, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1B3463?

White text. Black text has a contrast ratio of 1.72:1 and white text 12.22:1. WCAG asks for at least 4.5:1 for normal text.

#1B3463 color

#1B3463 rgb(27, 52, 99)

Shades of blue

The hex color #1B3463 is a dark, moderate azure.

In the RGB color model it is made of 10.6% red, 20.4% green and 38.8% blue (27, 52, 99).

Its hue angle is 219°, with 57% saturation and 25% lightness. For print, the CMYK equivalent is 73% cyan, 47% magenta, 0% yellow and 61% black.

The closest named color is Atlantic Navy (#13336F), a difference of 2.3 ΔE, a small difference.

White text is the more readable choice on this background (contrast 12.22:1).

#1B3463 color codes

HEX	`#1B3463`
RGB	`rgb(27, 52, 99)`
RGB percent	`rgb(10.6%, 20.4%, 38.8%)`
HSL	`hsl(219, 57%, 25%)`
HSV / HSB	`hsv(219, 73%, 39%)`
CMYK	`cmyk(73%, 47%, 0%, 61%)`
CIE LAB	`lab(22.26, 7.98, -30.68)`
CIE LCH	`lch(22.26, 31.7, 284.58)`
CIE XYZ	`xyz(3.931, 3.589, 12.288)`
Decimal	`1782883`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1B3463, 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 #1B3463	Ratio	AA	AAA	AA large
Sample text	1.72:1	Fail	Fail	Fail
Sample text	12.22:1	Pass	Pass	Pass

#1B3463 as text on	Ratio	AA	AAA	AA large
Sample text	12.22:1	Pass	Pass	Pass
Sample text	1.72:1	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 #1B3463 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1b3463; }
.text { color: #1b3463; }
.border { border: 2px solid #1b3463; }
.transparent { background-color: rgb(27 52 99 / 50%); }
.gradient { background: linear-gradient(to right, #1b3463, #261b63); }

Background

Text color

Border

Similar colors

Closest common color name: Prussian Blue.

Questions

What color is #1B3463?: #1B3463 is a dark, moderate azure, closest to the named color Atlantic Navy. It belongs to the blue family of colors.
What is the RGB value of #1B3463?: The RGB value is 27, 52, 99: 27 red, 52 green and 99 blue on a 0 to 255 scale.
What is the complementary color of #1B3463?: The complementary color is #634A1B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1B3463?: White text. Black text has a contrast ratio of 1.72:1 and white text 12.22:1. WCAG asks for at least 4.5:1 for normal text.