What color is #1B1B87?

#1B1B87 is a dark, moderate blue, closest to the named color Royal. It belongs to the blue family of colors.

What is the RGB value of #1B1B87?

The RGB value is 27, 27, 135: 27 red, 27 green and 135 blue on a 0 to 255 scale.

What is the complementary color of #1B1B87?

The complementary color is #87871B, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1B1B87?

White text. Black text has a contrast ratio of 1.55:1 and white text 13.52:1. WCAG asks for at least 4.5:1 for normal text.

#1B1B87 color

#1B1B87 rgb(27, 27, 135)

Shades of blue

The hex color #1B1B87 is a dark, moderate blue.

In the RGB color model it is made of 10.6% red, 10.6% green and 52.9% blue (27, 27, 135).

Its hue angle is 240°, with 67% saturation and 32% lightness. For print, the CMYK equivalent is 80% cyan, 80% magenta, 0% yellow and 47% black.

The closest named color is Royal (#0C1793), a difference of 2 ΔE, a small difference.

White text is the more readable choice on this background (contrast 13.52:1).

#1B1B87 color codes

HEX	`#1B1B87`
RGB	`rgb(27, 27, 135)`
RGB percent	`rgb(10.6%, 10.6%, 52.9%)`
HSL	`hsl(240, 67%, 32%)`
HSV / HSB	`hsv(240, 80%, 53%)`
CMYK	`cmyk(80%, 80%, 0%, 47%)`
CIE LAB	`lab(19.08, 38.8, -58.93)`
CIE LCH	`lch(19.08, 70.56, 303.36)`
CIE XYZ	`xyz(5.216, 2.766, 23.176)`
Decimal	`1776519`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1B1B87, 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 #1B1B87	Ratio	AA	AAA	AA large
Sample text	1.55:1	Fail	Fail	Fail
Sample text	13.52:1	Pass	Pass	Pass

#1B1B87 as text on	Ratio	AA	AAA	AA large
Sample text	13.52:1	Pass	Pass	Pass
Sample text	1.55:1	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 #1B1B87 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1b1b87; }
.text { color: #1b1b87; }
.border { border: 2px solid #1b1b87; }
.transparent { background-color: rgb(27 27 135 / 50%); }
.gradient { background: linear-gradient(to right, #1b1b87, #511b87); }

Background

Text color

Border

Similar colors

Questions

What color is #1B1B87?: #1B1B87 is a dark, moderate blue, closest to the named color Royal. It belongs to the blue family of colors.
What is the RGB value of #1B1B87?: The RGB value is 27, 27, 135: 27 red, 27 green and 135 blue on a 0 to 255 scale.
What is the complementary color of #1B1B87?: The complementary color is #87871B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1B1B87?: White text. Black text has a contrast ratio of 1.55:1 and white text 13.52:1. WCAG asks for at least 4.5:1 for normal text.