#0B1B23 color
The hex color #0B1B23 is a very dark, moderate azure.
In the RGB color model it is made of 4.3% red, 10.6% green and 13.7% blue (11, 27, 35).
Its hue angle is 200°, with 52% saturation and 9% lightness. For print, the CMYK equivalent is 69% cyan, 23% magenta, 0% yellow and 86% black.
The closest named color is Black Stallion (#0E191C), a difference of 3.1 ΔE, a small difference.
White text is the more readable choice on this background (contrast 17.57:1).
#0B1B23 color codes
| HEX | #0B1B23 | |
|---|---|---|
| RGB | rgb(11, 27, 35) | |
| RGB percent | rgb(4.3%, 10.6%, 13.7%) | |
| HSL | hsl(200, 52%, 9%) | |
| HSV / HSB | hsv(200, 69%, 14%) | |
| CMYK | cmyk(69%, 23%, 0%, 86%) | |
| CIE LAB | lab(8.79, -3.77, -7.58) | |
| CIE LCH | lch(8.79, 8.46, 243.56) | |
| CIE XYZ | xyz(0.833, 0.976, 1.734) | |
| Decimal | 727843 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #0B1B23, 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 #0B1B23 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.2:1 | Fail | Fail | Fail |
| Sample text | 17.57:1 | Pass | Pass | Pass |
| #0B1B23 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 17.57:1 | Pass | Pass | Pass |
| Sample text | 1.2:1 | 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 #0B1B23 looks to people with the most common types of color vision deficiency.
#171b23Protanopia
no red cones#141823Deuteranopia
no green cones#011d1eTritanopia
no blue cones#191919Achromatopsia
no color vision
CSS examples
.background { background-color: #0b1b23; }
.text { color: #0b1b23; }
.border { border: 2px solid #0b1b23; }
.transparent { background-color: rgb(11 27 35 / 50%); }
.gradient { background: linear-gradient(to right, #0b1b23, #0b0f23); }
Similar colors
#0e191cBlack Stallion#10252aSunken Ship#1e272cBlack Pearl#002233Midnight Dreams#172b36Oceanic Noir#0f282fBlack Box#010b13Rich Black#010b13Black Knight
Questions
- What color is #0B1B23?
- #0B1B23 is a very dark, moderate azure, closest to the named color Black Stallion. It belongs to the black family of colors.
- What is the RGB value of #0B1B23?
- The RGB value is 11, 27, 35: 11 red, 27 green and 35 blue on a 0 to 255 scale.
- What is the complementary color of #0B1B23?
- The complementary color is #23130B, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #0B1B23?
- White text. Black text has a contrast ratio of 1.2:1 and white text 17.57:1. WCAG asks for at least 4.5:1 for normal text.