#212B3B color
The hex color #212B3B is a very dark, desaturated azure.
In the RGB color model it is made of 12.9% red, 16.9% green and 23.1% blue (33, 43, 59).
Its hue angle is 217°, with 28% saturation and 18% lightness. For print, the CMYK equivalent is 44% cyan, 27% magenta, 0% yellow and 77% black.
The closest named color is Dark (#1B2431), a difference of 2.6 ΔE, a small difference.
White text is the more readable choice on this background (contrast 14.25:1).
#212B3B color codes
| HEX | #212B3B | |
|---|---|---|
| RGB | rgb(33, 43, 59) | |
| RGB percent | rgb(12.9%, 16.9%, 23.1%) | |
| HSL | hsl(217, 28%, 18%) | |
| HSV / HSB | hsv(217, 44%, 23%) | |
| CMYK | cmyk(44%, 27%, 0%, 77%) | |
| CIE LAB | lab(17.3, 0.65, -11.59) | |
| CIE LCH | lch(17.3, 11.61, 273.21) | |
| CIE XYZ | xyz(2.28, 2.367, 4.474) | |
| Decimal | 2173755 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #212B3B, 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 #212B3B | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.47:1 | Fail | Fail | Fail |
| Sample text | 14.25:1 | Pass | Pass | Pass |
| #212B3B as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 14.25:1 | Pass | Pass | Pass |
| Sample text | 1.47:1 | 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 #212B3B looks to people with the most common types of color vision deficiency.
#252c3cProtanopia
no red cones#23293bDeuteranopia
no green cones#182e30Tritanopia
no blue cones#2b2b2bAchromatopsia
no color vision
CSS examples
.background { background-color: #212b3b; }
.text { color: #212b3b; }
.border { border: 2px solid #212b3b; }
.transparent { background-color: rgb(33 43 59 / 50%); }
.gradient { background: linear-gradient(to right, #212b3b, #24213b); }
Similar colors
#1b2431Dark#1e2433Moonless Mystery#222831Infinity#303543Total Eclipse#102030The Count’s Black#21263aMidnight Express#1c2841Eternal Darkness#0e1d32Trapped Darkness
Closest common color name: Gunmetal.
Questions
- What color is #212B3B?
- #212B3B is a very dark, desaturated azure, closest to the named color Dark. It belongs to the black family of colors.
- What is the RGB value of #212B3B?
- The RGB value is 33, 43, 59: 33 red, 43 green and 59 blue on a 0 to 255 scale.
- What is the complementary color of #212B3B?
- The complementary color is #3B3121, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #212B3B?
- White text. Black text has a contrast ratio of 1.47:1 and white text 14.25:1. WCAG asks for at least 4.5:1 for normal text.