What color is #1B1749?

#1B1749 is a very dark, moderate blue, closest to the named color Silent Orbit. It belongs to the black family of colors.

What is the RGB value of #1B1749?

The RGB value is 27, 23, 73: 27 red, 23 green and 73 blue on a 0 to 255 scale.

What is the complementary color of #1B1749?

The complementary color is #454917, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1B1749?

White text. Black text has a contrast ratio of 1.27:1 and white text 16.6:1. WCAG asks for at least 4.5:1 for normal text.

#1B1749 color

#1B1749 rgb(27, 23, 73)

Shades of black

The hex color #1B1749 is a very dark, moderate blue.

In the RGB color model it is made of 10.6% red, 9% green and 28.6% blue (27, 23, 73).

Its hue angle is 245°, with 52% saturation and 19% lightness. For print, the CMYK equivalent is 63% cyan, 68% magenta, 0% yellow and 71% black.

The closest named color is Silent Orbit (#231C4D), a difference of 1.8 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 16.6:1).

#1B1749 color codes

HEX	`#1B1749`
RGB	`rgb(27, 23, 73)`
RGB percent	`rgb(10.6%, 9%, 28.6%)`
HSL	`hsl(245, 52%, 19%)`
HSV / HSB	`hsv(245, 68%, 29%)`
CMYK	`cmyk(63%, 68%, 0%, 71%)`
CIE LAB	`lab(11.46, 18.76, -30.64)`
CIE LCH	`lch(11.46, 35.92, 301.48)`
CIE XYZ	`xyz(1.961, 1.327, 6.455)`
Decimal	`1775433`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1B1749, 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 #1B1749	Ratio	AA	AAA	AA large
Sample text	1.27:1	Fail	Fail	Fail
Sample text	16.6:1	Pass	Pass	Pass

#1B1749 as text on	Ratio	AA	AAA	AA large
Sample text	16.6:1	Pass	Pass	Pass
Sample text	1.27:1	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 #1B1749 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1b1749; }
.text { color: #1b1749; }
.border { border: 2px solid #1b1749; }
.transparent { background-color: rgb(27 23 73 / 50%); }
.gradient { background: linear-gradient(to right, #1b1749, #341749); }

Background

Text color

Border

Similar colors

Closest common color name: Midnight Blue.

Questions

What color is #1B1749?: #1B1749 is a very dark, moderate blue, closest to the named color Silent Orbit. It belongs to the black family of colors.
What is the RGB value of #1B1749?: The RGB value is 27, 23, 73: 27 red, 23 green and 73 blue on a 0 to 255 scale.
What is the complementary color of #1B1749?: The complementary color is #454917, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1B1749?: White text. Black text has a contrast ratio of 1.27:1 and white text 16.6:1. WCAG asks for at least 4.5:1 for normal text.