#0B1528 color
The hex color #0B1528 is a very dark, moderate azure.
In the RGB color model it is made of 4.3% red, 8.2% green and 15.7% blue (11, 21, 40).
Its hue angle is 219°, with 57% saturation and 10% lightness. For print, the CMYK equivalent is 73% cyan, 47% magenta, 0% yellow and 84% black.
The closest named color is Void (#050D25), a difference of 2.6 ΔE, a small difference.
White text is the more readable choice on this background (contrast 18.23:1).
#0B1528 color codes
| HEX | #0B1528 | |
|---|---|---|
| RGB | rgb(11, 21, 40) | |
| RGB percent | rgb(4.3%, 8.2%, 15.7%) | |
| HSL | hsl(219, 57%, 10%) | |
| HSV / HSB | hsv(219, 73%, 16%) | |
| CMYK | cmyk(73%, 47%, 0%, 84%) | |
| CIE LAB | lab(6.87, 2.71, -14.31) | |
| CIE LCH | lch(6.87, 14.56, 280.72) | |
| CIE XYZ | xyz(0.789, 0.761, 2.112) | |
| Decimal | 726312 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #0B1528, 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 #0B1528 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.15:1 | Fail | Fail | Fail |
| Sample text | 18.23:1 | Pass | Pass | Pass |
| #0B1528 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 18.23:1 | Pass | Pass | Pass |
| Sample text | 1.15:1 | 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 #0B1528 looks to people with the most common types of color vision deficiency.
#0d1729Protanopia
no red cones#091428Deuteranopia
no green cones#00191cTritanopia
no blue cones#151515Achromatopsia
no color vision
CSS examples
.background { background-color: #0b1528; }
.text { color: #0b1528; }
.border { border: 2px solid #0b1528; }
.transparent { background-color: rgb(11 21 40 / 50%); }
.gradient { background: linear-gradient(to right, #0b1528, #0f0b28); }
Similar colors
#050d25Void#0e1d32Trapped Darkness#161e34Sombre Night#111122Corbeau#041330Squid’s Ink#151931Dark Knight#011c39Naval Night#1f2133Eclipse Elixir
Closest common color name: Oxford Blue.
Questions
- What color is #0B1528?
- #0B1528 is a very dark, moderate azure, closest to the named color Void. It belongs to the black family of colors.
- What is the RGB value of #0B1528?
- The RGB value is 11, 21, 40: 11 red, 21 green and 40 blue on a 0 to 255 scale.
- What is the complementary color of #0B1528?
- The complementary color is #281E0B, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #0B1528?
- White text. Black text has a contrast ratio of 1.15:1 and white text 18.23:1. WCAG asks for at least 4.5:1 for normal text.