What color is #1B1B23?

#1B1B23 is a very dark, grayish blue, closest to the named color Eigengrau. It belongs to the black family of colors.

What is the RGB value of #1B1B23?

The RGB value is 27, 27, 35: 27 red, 27 green and 35 blue on a 0 to 255 scale.

What is the complementary color of #1B1B23?

The complementary color is #23231B, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1B1B23?

White text. Black text has a contrast ratio of 1.23:1 and white text 17.11:1. WCAG asks for at least 4.5:1 for normal text.

#1B1B23 color

#1B1B23 rgb(27, 27, 35)

Shades of black

The hex color #1B1B23 is a very dark, grayish blue.

In the RGB color model it is made of 10.6% red, 10.6% green and 13.7% blue (27, 27, 35).

Its hue angle is 240°, with 13% saturation and 12% lightness. For print, the CMYK equivalent is 23% cyan, 23% magenta, 0% yellow and 86% black.

The closest named color is Eigengrau (#16161D), a difference of 1.7 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 17.11:1).

#1B1B23 color codes

HEX	`#1B1B23`
RGB	`rgb(27, 27, 35)`
RGB percent	`rgb(10.6%, 10.6%, 13.7%)`
HSL	`hsl(240, 13%, 12%)`
HSV / HSB	`hsv(240, 23%, 14%)`
CMYK	`cmyk(23%, 23%, 0%, 86%)`
CIE LAB	`lab(10.09, 2.22, -5.47)`
CIE LCH	`lch(10.09, 5.91, 292.09)`
CIE XYZ	`xyz(1.147, 1.138, 1.749)`
Decimal	`1776419`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1B1B23, 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 #1B1B23	Ratio	AA	AAA	AA large
Sample text	1.23:1	Fail	Fail	Fail
Sample text	17.11:1	Pass	Pass	Pass

#1B1B23 as text on	Ratio	AA	AAA	AA large
Sample text	17.11:1	Pass	Pass	Pass
Sample text	1.23:1	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 #1B1B23 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1b1b23; }
.text { color: #1b1b23; }
.border { border: 2px solid #1b1b23; }
.transparent { background-color: rgb(27 27 35 / 50%); }
.gradient { background: linear-gradient(to right, #1b1b23, #1f1b23); }

Background

Text color

Border

Similar colors

Closest common color name: Midnight Black.

Questions

What color is #1B1B23?: #1B1B23 is a very dark, grayish blue, closest to the named color Eigengrau. It belongs to the black family of colors.
What is the RGB value of #1B1B23?: The RGB value is 27, 27, 35: 27 red, 27 green and 35 blue on a 0 to 255 scale.
What is the complementary color of #1B1B23?: The complementary color is #23231B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1B1B23?: White text. Black text has a contrast ratio of 1.23:1 and white text 17.11:1. WCAG asks for at least 4.5:1 for normal text.