#1B2121 color

#1B2121 rgb(27, 33, 33)
Shades of black

The hex color #1B2121 is a very dark, grayish cyan.

In the RGB color model it is made of 10.6% red, 12.9% green and 12.9% blue (27, 33, 33).

Its hue angle is 180°, with 10% saturation and 12% lightness. For print, the CMYK equivalent is 18% cyan, 0% magenta, 0% yellow and 87% black.

The closest named color is Graphite Black (#262A2B), a difference of 3.4 ΔE, a small difference.

White text is the more readable choice on this background (contrast 16.33:1).

#1B2121 color codes

HEX#1B2121
RGBrgb(27, 33, 33)
RGB percentrgb(10.6%, 12.9%, 12.9%)
HSLhsl(180, 10%, 12%)
HSV / HSBhsv(180, 18%, 13%)
CMYKcmyk(18%, 0%, 0%, 87%)
CIE LABlab(12.16, -2.72, -0.92)
CIE LCHlch(12.16, 2.87, 198.68)
CIE XYZxyz(1.27, 1.43, 1.648)
Decimal1777953
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #1B2121, 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 #1B2121RatioAAAAAAA large
Sample text1.29:1FailFailFail
Sample text16.33:1PassPassPass
#1B2121 as text onRatioAAAAAAA large
Sample text16.33:1PassPassPass
Sample text1.29:1FailFailFail

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 #1B2121 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1b2121; }
.text { color: #1b2121; }
.border { border: 2px solid #1b2121; }
.transparent { background-color: rgb(27 33 33 / 50%); }
.gradient { background: linear-gradient(to right, #1b2121, #1b1e21); }
Background
Text color
Border

Similar colors

Closest common color name: Off Black.

Questions

What color is #1B2121?
#1B2121 is a very dark, grayish cyan, closest to the named color Graphite Black. It belongs to the black family of colors.
What is the RGB value of #1B2121?
The RGB value is 27, 33, 33: 27 red, 33 green and 33 blue on a 0 to 255 scale.
What is the complementary color of #1B2121?
The complementary color is #211B1B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1B2121?
White text. Black text has a contrast ratio of 1.29:1 and white text 16.33:1. WCAG asks for at least 4.5:1 for normal text.