What color is #1D1B40?

#1D1B40 is a very dark, desaturated blue, closest to the named color Azulado. It belongs to the blue family of colors.

What is the RGB value of #1D1B40?

The RGB value is 29, 27, 64: 29 red, 27 green and 64 blue on a 0 to 255 scale.

What is the complementary color of #1D1B40?

The complementary color is #3E401B, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1D1B40?

White text. Black text has a contrast ratio of 1.28:1 and white text 16.37:1. WCAG asks for at least 4.5:1 for normal text.

#1D1B40 color

#1D1B40 rgb(29, 27, 64)

Shades of blue

The hex color #1D1B40 is a very dark, desaturated blue.

In the RGB color model it is made of 11.4% red, 10.6% green and 25.1% blue (29, 27, 64).

Its hue angle is 243°, with 41% saturation and 18% lightness. For print, the CMYK equivalent is 55% cyan, 58% magenta, 0% yellow and 75% black.

The closest named color is Azulado (#211D49), a difference of 2.2 ΔE, a small difference.

White text is the more readable choice on this background (contrast 16.37:1).

#1D1B40 color codes

HEX	`#1D1B40`
RGB	`rgb(29, 27, 64)`
RGB percent	`rgb(11.4%, 10.6%, 25.1%)`
HSL	`hsl(243, 41%, 18%)`
HSV / HSB	`hsv(243, 58%, 25%)`
CMYK	`cmyk(55%, 58%, 0%, 75%)`
CIE LAB	`lab(12.06, 12.92, -23.37)`
CIE LCH	`lch(12.06, 26.7, 298.93)`
CIE XYZ	`xyz(1.824, 1.415, 5.027)`
Decimal	`1907520`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1D1B40, 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 #1D1B40	Ratio	AA	AAA	AA large
Sample text	1.28:1	Fail	Fail	Fail
Sample text	16.37:1	Pass	Pass	Pass

#1D1B40 as text on	Ratio	AA	AAA	AA large
Sample text	16.37:1	Pass	Pass	Pass
Sample text	1.28:1	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 #1D1B40 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1d1b40; }
.text { color: #1d1b40; }
.border { border: 2px solid #1d1b40; }
.transparent { background-color: rgb(29 27 64 / 50%); }
.gradient { background: linear-gradient(to right, #1d1b40, #2f1b40); }

Background

Text color

Border

Similar colors

Closest common color name: Oxford Blue.

Questions

What color is #1D1B40?: #1D1B40 is a very dark, desaturated blue, closest to the named color Azulado. It belongs to the blue family of colors.
What is the RGB value of #1D1B40?: The RGB value is 29, 27, 64: 29 red, 27 green and 64 blue on a 0 to 255 scale.
What is the complementary color of #1D1B40?: The complementary color is #3E401B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1D1B40?: White text. Black text has a contrast ratio of 1.28:1 and white text 16.37:1. WCAG asks for at least 4.5:1 for normal text.