#0B1521 color

#0B1521 rgb(11, 21, 33)
Shades of black

The hex color #0B1521 is a very dark, desaturated azure.

In the RGB color model it is made of 4.3% red, 8.2% green and 12.9% blue (11, 21, 33).

Its hue angle is 213°, with 50% saturation and 9% lightness. For print, the CMYK equivalent is 67% cyan, 36% magenta, 0% yellow and 87% black.

The closest named color is Midnight Edition (#0C121B), a difference of 2.3 ΔE, a small difference.

White text is the more readable choice on this background (contrast 18.37:1).

#0B1521 color codes

HEX#0B1521
RGBrgb(11, 21, 33)
RGB percentrgb(4.3%, 8.2%, 12.9%)
HSLhsl(213, 50%, 9%)
HSV / HSBhsv(213, 67%, 13%)
CMYKcmyk(67%, 36%, 0%, 87%)
CIE LABlab(6.48, -0.05, -9.62)
CIE LCHlch(6.48, 9.62, 269.73)
CIE XYZxyz(0.681, 0.717, 1.541)
Decimal726305
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #0B1521, 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 #0B1521RatioAAAAAAA large
Sample text1.14:1FailFailFail
Sample text18.37:1PassPassPass
#0B1521 as text onRatioAAAAAAA large
Sample text18.37:1PassPassPass
Sample text1.14:1FailFailFail

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 #0B1521 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #0b1521; }
.text { color: #0b1521; }
.border { border: 2px solid #0b1521; }
.transparent { background-color: rgb(11 21 33 / 50%); }
.gradient { background: linear-gradient(to right, #0b1521, #0c0b21); }
Background
Text color
Border

Similar colors

Questions

What color is #0B1521?
#0B1521 is a very dark, desaturated azure, closest to the named color Midnight Edition. It belongs to the black family of colors.
What is the RGB value of #0B1521?
The RGB value is 11, 21, 33: 11 red, 21 green and 33 blue on a 0 to 255 scale.
What is the complementary color of #0B1521?
The complementary color is #21170B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #0B1521?
White text. Black text has a contrast ratio of 1.14:1 and white text 18.37:1. WCAG asks for at least 4.5:1 for normal text.