What color is #1B2B49?

#1B2B49 is a very dark, desaturated azure, closest to the named color Eternal Darkness. It belongs to the blue family of colors.

What is the RGB value of #1B2B49?

The RGB value is 27, 43, 73: 27 red, 43 green and 73 blue on a 0 to 255 scale.

What is the complementary color of #1B2B49?

The complementary color is #49391B, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1B2B49?

White text. Black text has a contrast ratio of 1.49:1 and white text 14.11:1. WCAG asks for at least 4.5:1 for normal text.

#1B2B49 color

#1B2B49 rgb(27, 43, 73)

Shades of blue

The hex color #1B2B49 is a very dark, desaturated azure.

In the RGB color model it is made of 10.6% red, 16.9% green and 28.6% blue (27, 43, 73).

Its hue angle is 219°, with 46% saturation and 20% lightness. For print, the CMYK equivalent is 63% cyan, 41% magenta, 0% yellow and 71% black.

The closest named color is Eternal Darkness (#1C2841), a difference of 2 ΔE, a small difference.

White text is the more readable choice on this background (contrast 14.11:1).

#1B2B49 color codes

HEX	`#1B2B49`
RGB	`rgb(27, 43, 73)`
RGB percent	`rgb(10.6%, 16.9%, 28.6%)`
HSL	`hsl(219, 46%, 20%)`
HSV / HSB	`hsv(219, 63%, 29%)`
CMYK	`cmyk(63%, 41%, 0%, 71%)`
CIE LAB	`lab(17.65, 4, -20.7)`
CIE LCH	`lch(17.65, 21.09, 280.94)`
CIE XYZ	`xyz(2.518, 2.442, 6.641)`
Decimal	`1780553`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1B2B49, 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 #1B2B49	Ratio	AA	AAA	AA large
Sample text	1.49:1	Fail	Fail	Fail
Sample text	14.11:1	Pass	Pass	Pass

#1B2B49 as text on	Ratio	AA	AAA	AA large
Sample text	14.11:1	Pass	Pass	Pass
Sample text	1.49:1	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 #1B2B49 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1b2b49; }
.text { color: #1b2b49; }
.border { border: 2px solid #1b2b49; }
.transparent { background-color: rgb(27 43 73 / 50%); }
.gradient { background: linear-gradient(to right, #1b2b49, #221b49); }

Background

Text color

Border

Similar colors

Questions

What color is #1B2B49?: #1B2B49 is a very dark, desaturated azure, closest to the named color Eternal Darkness. It belongs to the blue family of colors.
What is the RGB value of #1B2B49?: The RGB value is 27, 43, 73: 27 red, 43 green and 73 blue on a 0 to 255 scale.
What is the complementary color of #1B2B49?: The complementary color is #49391B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1B2B49?: White text. Black text has a contrast ratio of 1.49:1 and white text 14.11:1. WCAG asks for at least 4.5:1 for normal text.