What color is #0B0B3B?

#0B0B3B is a very dark, moderate blue, closest to the named color Deadly Depths. It belongs to the black family of colors.

What is the RGB value of #0B0B3B?

The RGB value is 11, 11, 59: 11 red, 11 green and 59 blue on a 0 to 255 scale.

What is the complementary color of #0B0B3B?

The complementary color is #3B3B0B, found by rotating the hue 180° on the color wheel.

Is black or white text better on #0B0B3B?

White text. Black text has a contrast ratio of 1.13:1 and white text 18.66:1. WCAG asks for at least 4.5:1 for normal text.

#0B0B3B color

#0B0B3B rgb(11, 11, 59)

Shades of black

The hex color #0B0B3B is a very dark, moderate blue.

In the RGB color model it is made of 4.3% red, 4.3% green and 23.1% blue (11, 11, 59).

Its hue angle is 240°, with 69% saturation and 14% lightness. For print, the CMYK equivalent is 81% cyan, 81% magenta, 0% yellow and 77% black.

The closest named color is Deadly Depths (#111144), a difference of 1.9 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 18.66:1).

#0B0B3B color codes

HEX	`#0B0B3B`
RGB	`rgb(11, 11, 59)`
RGB percent	`rgb(4.3%, 4.3%, 23.1%)`
HSL	`hsl(240, 69%, 14%)`
HSV / HSB	`hsv(240, 81%, 23%)`
CMYK	`cmyk(81%, 81%, 0%, 77%)`
CIE LAB	`lab(5.66, 17.9, -30.25)`
CIE LCH	`lch(5.66, 35.15, 300.61)`
CIE XYZ	`xyz(1.047, 0.626, 4.203)`
Decimal	`723771`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #0B0B3B, 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 #0B0B3B	Ratio	AA	AAA	AA large
Sample text	1.13:1	Fail	Fail	Fail
Sample text	18.66:1	Pass	Pass	Pass

#0B0B3B as text on	Ratio	AA	AAA	AA large
Sample text	18.66:1	Pass	Pass	Pass
Sample text	1.13:1	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 #0B0B3B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #0b0b3b; }
.text { color: #0b0b3b; }
.border { border: 2px solid #0b0b3b; }
.transparent { background-color: rgb(11 11 59 / 50%); }
.gradient { background: linear-gradient(to right, #0b0b3b, #230b3b); }

Background

Text color

Border

Similar colors

Closest common color name: Oxford Blue.

Questions

What color is #0B0B3B?: #0B0B3B is a very dark, moderate blue, closest to the named color Deadly Depths. It belongs to the black family of colors.
What is the RGB value of #0B0B3B?: The RGB value is 11, 11, 59: 11 red, 11 green and 59 blue on a 0 to 255 scale.
What is the complementary color of #0B0B3B?: The complementary color is #3B3B0B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #0B0B3B?: White text. Black text has a contrast ratio of 1.13:1 and white text 18.66:1. WCAG asks for at least 4.5:1 for normal text.