#1B2121 color
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 | |
|---|---|---|
| RGB | rgb(27, 33, 33) | |
| RGB percent | rgb(10.6%, 12.9%, 12.9%) | |
| HSL | hsl(180, 10%, 12%) | |
| HSV / HSB | hsv(180, 18%, 13%) | |
| CMYK | cmyk(18%, 0%, 0%, 87%) | |
| CIE LAB | lab(12.16, -2.72, -0.92) | |
| CIE LCH | lch(12.16, 2.87, 198.68) | |
| CIE XYZ | xyz(1.27, 1.43, 1.648) | |
| Decimal | 1777953 | |
| Short hex | None (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 #1B2121 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.29:1 | Fail | Fail | Fail |
| Sample text | 16.33:1 | Pass | Pass | Pass |
| #1B2121 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 16.33:1 | Pass | Pass | Pass |
| Sample text | 1.29:1 | 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 #1B2121 looks to people with the most common types of color vision deficiency.
#202021Protanopia
no red cones#1f1f21Deuteranopia
no green cones#192121Tritanopia
no blue cones#202020Achromatopsia
no color vision
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); }
Similar colors
#262a2bGraphite Black#262926Bitter Liquorice#1e272cBlack Pearl#0e191cBlack Stallion#212121Lead#1c1e21Satin Deep Black#1c1c1aCoco’s Black#232323Young Night
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.