What color is #1B1A31?

#1B1A31 is a very dark, desaturated blue, closest to the named color Dark Knight. It belongs to the black family of colors.

What is the RGB value of #1B1A31?

The RGB value is 27, 26, 49: 27 red, 26 green and 49 blue on a 0 to 255 scale.

What is the complementary color of #1B1A31?

The complementary color is #30311A, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1B1A31?

White text. Black text has a contrast ratio of 1.24:1 and white text 16.95:1. WCAG asks for at least 4.5:1 for normal text.

#1B1A31 color

#1B1A31 rgb(27, 26, 49)

Shades of black

The hex color #1B1A31 is a very dark, desaturated blue.

In the RGB color model it is made of 10.6% red, 10.2% green and 19.2% blue (27, 26, 49).

Its hue angle is 243°, with 31% saturation and 15% lightness. For print, the CMYK equivalent is 45% cyan, 47% magenta, 0% yellow and 81% black.

The closest named color is Dark Knight (#151931), a difference of 2 ΔE, a small difference.

White text is the more readable choice on this background (contrast 16.95:1).

#1B1A31 color codes

HEX	`#1B1A31`
RGB	`rgb(27, 26, 49)`
RGB percent	`rgb(10.6%, 10.2%, 19.2%)`
HSL	`hsl(243, 31%, 15%)`
HSV / HSB	`hsv(243, 47%, 19%)`
CMYK	`cmyk(45%, 47%, 0%, 81%)`
CIE LAB	`lab(10.51, 7.58, -15.12)`
CIE LCH	`lch(10.51, 16.92, 296.64)`
CIE XYZ	`xyz(1.376, 1.194, 3.063)`
Decimal	`1776177`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1B1A31, 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 #1B1A31	Ratio	AA	AAA	AA large
Sample text	1.24:1	Fail	Fail	Fail
Sample text	16.95:1	Pass	Pass	Pass

#1B1A31 as text on	Ratio	AA	AAA	AA large
Sample text	16.95:1	Pass	Pass	Pass
Sample text	1.24:1	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 #1B1A31 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1b1a31; }
.text { color: #1b1a31; }
.border { border: 2px solid #1b1a31; }
.transparent { background-color: rgb(27 26 49 / 50%); }
.gradient { background: linear-gradient(to right, #1b1a31, #271a31); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Purple.

Questions

What color is #1B1A31?: #1B1A31 is a very dark, desaturated blue, closest to the named color Dark Knight. It belongs to the black family of colors.
What is the RGB value of #1B1A31?: The RGB value is 27, 26, 49: 27 red, 26 green and 49 blue on a 0 to 255 scale.
What is the complementary color of #1B1A31?: The complementary color is #30311A, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1B1A31?: White text. Black text has a contrast ratio of 1.24:1 and white text 16.95:1. WCAG asks for at least 4.5:1 for normal text.