What color is #1B1C17?

#1B1C17 is a very dark, grayish yellow-green, closest to the named color Twilight Zone. It belongs to the black family of colors.

What is the RGB value of #1B1C17?

The RGB value is 27, 28, 23: 27 red, 28 green and 23 blue on a 0 to 255 scale.

What is the complementary color of #1B1C17?

The complementary color is #18171C, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1B1C17?

White text. Black text has a contrast ratio of 1.23:1 and white text 17.14:1. WCAG asks for at least 4.5:1 for normal text.

#1B1C17 color

#1B1C17 rgb(27, 28, 23)

Shades of black

The hex color #1B1C17 is a very dark, grayish yellow-green.

In the RGB color model it is made of 10.6% red, 11% green and 9% blue (27, 28, 23).

Its hue angle is 72°, with 10% saturation and 10% lightness. For print, the CMYK equivalent is 4% cyan, 0% magenta, 18% yellow and 89% black.

The closest named color is Twilight Zone (#191916), a difference of 1.8 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 17.14:1).

#1B1C17 color codes

HEX	`#1B1C17`
RGB	`rgb(27, 28, 23)`
RGB percent	`rgb(10.6%, 11%, 9%)`
HSL	`hsl(72, 10%, 10%)`
HSV / HSB	`hsv(72, 18%, 11%)`
CMYK	`cmyk(4%, 0%, 18%, 89%)`
CIE LAB	`lab(10, -1.69, 3.3)`
CIE LCH	`lch(10, 3.71, 117.13)`
CIE XYZ	`xyz(1.022, 1.125, 0.974)`
Decimal	`1776663`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1B1C17, 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 #1B1C17	Ratio	AA	AAA	AA large
Sample text	1.23:1	Fail	Fail	Fail
Sample text	17.14:1	Pass	Pass	Pass

#1B1C17 as text on	Ratio	AA	AAA	AA large
Sample text	17.14:1	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 #1B1C17 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1b1c17; }
.text { color: #1b1c17; }
.border { border: 2px solid #1b1c17; }
.transparent { background-color: rgb(27 28 23 / 50%); }
.gradient { background: linear-gradient(to right, #1b1c17, #191c17); }

Background

Text color

Border

Similar colors

Closest common color name: Off Black.

Questions

What color is #1B1C17?: #1B1C17 is a very dark, grayish yellow-green, closest to the named color Twilight Zone. It belongs to the black family of colors.
What is the RGB value of #1B1C17?: The RGB value is 27, 28, 23: 27 red, 28 green and 23 blue on a 0 to 255 scale.
What is the complementary color of #1B1C17?: The complementary color is #18171C, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1B1C17?: White text. Black text has a contrast ratio of 1.23:1 and white text 17.14:1. WCAG asks for at least 4.5:1 for normal text.