What color is #1B1D71?

#1B1D71 is a dark, moderate blue, closest to the named color Midnight Blue. It belongs to the blue family of colors.

What is the RGB value of #1B1D71?

The RGB value is 27, 29, 113: 27 red, 29 green and 113 blue on a 0 to 255 scale.

What is the complementary color of #1B1D71?

The complementary color is #716F1B, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1B1D71?

White text. Black text has a contrast ratio of 1.46:1 and white text 14.38:1. WCAG asks for at least 4.5:1 for normal text.

#1B1D71 color

#1B1D71 rgb(27, 29, 113)

Shades of blue

The hex color #1B1D71 is a dark, moderate blue.

In the RGB color model it is made of 10.6% red, 11.4% green and 44.3% blue (27, 29, 113).

Its hue angle is 239°, with 61% saturation and 27% lightness. For print, the CMYK equivalent is 76% cyan, 74% magenta, 0% yellow and 56% black.

The closest named color is Midnight Blue (#191970), a difference of 1.1 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 14.38:1).

#1B1D71 color codes

HEX	`#1B1D71`
RGB	`rgb(27, 29, 113)`
RGB percent	`rgb(10.6%, 11.4%, 44.3%)`
HSL	`hsl(239, 61%, 27%)`
HSV / HSB	`hsv(239, 76%, 44%)`
CMYK	`cmyk(76%, 74%, 0%, 56%)`
CIE LAB	`lab(17.01, 29.76, -48.32)`
CIE LCH	`lch(17.01, 56.75, 301.63)`
CIE XYZ	`xyz(3.871, 2.304, 15.86)`
Decimal	`1777009`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1B1D71, 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 #1B1D71	Ratio	AA	AAA	AA large
Sample text	1.46:1	Fail	Fail	Fail
Sample text	14.38:1	Pass	Pass	Pass

#1B1D71 as text on	Ratio	AA	AAA	AA large
Sample text	14.38:1	Pass	Pass	Pass
Sample text	1.46:1	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 #1B1D71 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1b1d71; }
.text { color: #1b1d71; }
.border { border: 2px solid #1b1d71; }
.transparent { background-color: rgb(27 29 113 / 50%); }
.gradient { background: linear-gradient(to right, #1b1d71, #441b71); }

Background

Text color

Border

Similar colors

Questions

What color is #1B1D71?: #1B1D71 is a dark, moderate blue, closest to the named color Midnight Blue. It belongs to the blue family of colors.
What is the RGB value of #1B1D71?: The RGB value is 27, 29, 113: 27 red, 29 green and 113 blue on a 0 to 255 scale.
What is the complementary color of #1B1D71?: The complementary color is #716F1B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1B1D71?: White text. Black text has a contrast ratio of 1.46:1 and white text 14.38:1. WCAG asks for at least 4.5:1 for normal text.