What color is #1B2D48?

#1B2D48 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 #1B2D48?

The RGB value is 27, 45, 72: 27 red, 45 green and 72 blue on a 0 to 255 scale.

What is the complementary color of #1B2D48?

The complementary color is #48361B, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1B2D48?

White text. Black text has a contrast ratio of 1.52:1 and white text 13.86:1. WCAG asks for at least 4.5:1 for normal text.

#1B2D48 color

#1B2D48 rgb(27, 45, 72)

Shades of blue

The hex color #1B2D48 is a very dark, desaturated azure.

In the RGB color model it is made of 10.6% red, 17.6% green and 28.2% blue (27, 45, 72).

Its hue angle is 216°, with 45% saturation and 19% lightness. For print, the CMYK equivalent is 63% cyan, 37% magenta, 0% yellow and 72% black.

The closest named color is Eternal Darkness (#1C2841), a difference of 2.4 ΔE, a small difference.

White text is the more readable choice on this background (contrast 13.86:1).

#1B2D48 color codes

HEX	`#1B2D48`
RGB	`rgb(27, 45, 72)`
RGB percent	`rgb(10.6%, 17.6%, 28.2%)`
HSL	`hsl(216, 45%, 19%)`
HSV / HSB	`hsv(216, 63%, 28%)`
CMYK	`cmyk(63%, 37%, 0%, 72%)`
CIE LAB	`lab(18.27, 2.18, -19.06)`
CIE LCH	`lch(18.27, 19.18, 276.51)`
CIE XYZ	`xyz(2.56, 2.577, 6.492)`
Decimal	`1781064`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1B2D48, 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 #1B2D48	Ratio	AA	AAA	AA large
Sample text	1.52:1	Fail	Fail	Fail
Sample text	13.86:1	Pass	Pass	Pass

#1B2D48 as text on	Ratio	AA	AAA	AA large
Sample text	13.86:1	Pass	Pass	Pass
Sample text	1.52:1	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 #1B2D48 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1b2d48; }
.text { color: #1b2d48; }
.border { border: 2px solid #1b2d48; }
.transparent { background-color: rgb(27 45 72 / 50%); }
.gradient { background: linear-gradient(to right, #1b2d48, #1f1b48); }

Background

Text color

Border

Similar colors

Questions

What color is #1B2D48?: #1B2D48 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 #1B2D48?: The RGB value is 27, 45, 72: 27 red, 45 green and 72 blue on a 0 to 255 scale.
What is the complementary color of #1B2D48?: The complementary color is #48361B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1B2D48?: White text. Black text has a contrast ratio of 1.52:1 and white text 13.86:1. WCAG asks for at least 4.5:1 for normal text.