What color is #1B293F?

#1B293F 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 #1B293F?

The RGB value is 27, 41, 63: 27 red, 41 green and 63 blue on a 0 to 255 scale.

What is the complementary color of #1B293F?

The complementary color is #3F311B, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1B293F?

White text. Black text has a contrast ratio of 1.44:1 and white text 14.63:1. WCAG asks for at least 4.5:1 for normal text.

#1B293F color

#1B293F rgb(27, 41, 63)

Shades of blue

The hex color #1B293F is a very dark, desaturated azure.

In the RGB color model it is made of 10.6% red, 16.1% green and 24.7% blue (27, 41, 63).

Its hue angle is 217°, with 40% saturation and 18% lightness. For print, the CMYK equivalent is 57% cyan, 35% magenta, 0% yellow and 75% black.

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

White text is the more readable choice on this background (contrast 14.63:1).

#1B293F color codes

HEX	`#1B293F`
RGB	`rgb(27, 41, 63)`
RGB percent	`rgb(10.6%, 16.1%, 24.7%)`
HSL	`hsl(217, 40%, 18%)`
HSV / HSB	`hsv(217, 57%, 25%)`
CMYK	`cmyk(57%, 35%, 0%, 75%)`
CIE LAB	`lab(16.39, 1.6, -15.81)`
CIE LCH	`lch(16.39, 15.89, 275.79)`
CIE XYZ	`xyz(2.142, 2.178, 5.009)`
Decimal	`1780031`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1B293F, 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 #1B293F	Ratio	AA	AAA	AA large
Sample text	1.44:1	Fail	Fail	Fail
Sample text	14.63:1	Pass	Pass	Pass

#1B293F as text on	Ratio	AA	AAA	AA large
Sample text	14.63:1	Pass	Pass	Pass
Sample text	1.44:1	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 #1B293F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1b293f; }
.text { color: #1b293f; }
.border { border: 2px solid #1b293f; }
.transparent { background-color: rgb(27 41 63 / 50%); }
.gradient { background: linear-gradient(to right, #1b293f, #1f1b3f); }

Background

Text color

Border

Similar colors

Closest common color name: Oxford Blue.

Questions

What color is #1B293F?: #1B293F 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 #1B293F?: The RGB value is 27, 41, 63: 27 red, 41 green and 63 blue on a 0 to 255 scale.
What is the complementary color of #1B293F?: The complementary color is #3F311B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1B293F?: White text. Black text has a contrast ratio of 1.44:1 and white text 14.63:1. WCAG asks for at least 4.5:1 for normal text.