#1B2933 color
The hex color #1B2933 is a very dark, desaturated azure.
In the RGB color model it is made of 10.6% red, 16.1% green and 20% blue (27, 41, 51).
Its hue angle is 205°, with 31% saturation and 15% lightness. For print, the CMYK equivalent is 47% cyan, 20% magenta, 0% yellow and 80% black.
The closest named color is Oceanic Noir (#172B36), a difference of 2 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 14.88:1).
#1B2933 color codes
| HEX | #1B2933 | |
|---|---|---|
| RGB | rgb(27, 41, 51) | |
| RGB percent | rgb(10.6%, 16.1%, 20%) | |
| HSL | hsl(205, 31%, 15%) | |
| HSV / HSB | hsv(205, 47%, 20%) | |
| CMYK | cmyk(47%, 20%, 0%, 80%) | |
| CIE LAB | lab(15.79, -2.71, -8.37) | |
| CIE LCH | lch(15.79, 8.79, 252.08) | |
| CIE XYZ | xyz(1.842, 2.058, 3.431) | |
| Decimal | 1780019 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #1B2933, 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 #1B2933 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.41:1 | Fail | Fail | Fail |
| Sample text | 14.88:1 | Pass | Pass | Pass |
| #1B2933 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 14.88:1 | Pass | Pass | Pass |
| Sample text | 1.41:1 | 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 #1B2933 looks to people with the most common types of color vision deficiency.
#252933Protanopia
no red cones#212633Deuteranopia
no green cones#122b2cTritanopia
no blue cones#272727Achromatopsia
no color vision
CSS examples
.background { background-color: #1b2933; }
.text { color: #1b2933; }
.border { border: 2px solid #1b2933; }
.transparent { background-color: rgb(27 41 51 / 50%); }
.gradient { background: linear-gradient(to right, #1b2933, #1b1d33); }
Similar colors
#172b36Oceanic Noir#1e272cBlack Pearl#222831Infinity#242a2eCinder#1b2431Dark#1e3442Blue Whale#243640Petrol Slumber#293135Nightmare Fuel
Closest common color name: Gunmetal.
Questions
- What color is #1B2933?
- #1B2933 is a very dark, desaturated azure, closest to the named color Oceanic Noir. It belongs to the black family of colors.
- What is the RGB value of #1B2933?
- The RGB value is 27, 41, 51: 27 red, 41 green and 51 blue on a 0 to 255 scale.
- What is the complementary color of #1B2933?
- The complementary color is #33251B, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #1B2933?
- White text. Black text has a contrast ratio of 1.41:1 and white text 14.88:1. WCAG asks for at least 4.5:1 for normal text.