What color is #0B2F51?

#0B2F51 is a very dark, moderate azure, closest to the named color Midnight Ocean. It belongs to the blue family of colors.

What is the RGB value of #0B2F51?

The RGB value is 11, 47, 81: 11 red, 47 green and 81 blue on a 0 to 255 scale.

What is the complementary color of #0B2F51?

The complementary color is #512D0B, found by rotating the hue 180° on the color wheel.

Is black or white text better on #0B2F51?

White text. Black text has a contrast ratio of 1.54:1 and white text 13.64:1. WCAG asks for at least 4.5:1 for normal text.

#0B2F51 color

#0B2F51 rgb(11, 47, 81)

Shades of blue

The hex color #0B2F51 is a very dark, moderate azure.

In the RGB color model it is made of 4.3% red, 18.4% green and 31.8% blue (11, 47, 81).

Its hue angle is 209°, with 76% saturation and 18% lightness. For print, the CMYK equivalent is 86% cyan, 42% magenta, 0% yellow and 68% black.

The closest named color is Midnight Ocean (#0F2D4D), a difference of 1.1 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 13.64:1).

#0B2F51 color codes

HEX	`#0B2F51`
RGB	`rgb(11, 47, 81)`
RGB percent	`rgb(4.3%, 18.4%, 31.8%)`
HSL	`hsl(209, 76%, 18%)`
HSV / HSB	`hsv(209, 86%, 32%)`
CMYK	`cmyk(86%, 42%, 0%, 68%)`
CIE LAB	`lab(18.79, 1.45, -24.35)`
CIE LCH	`lch(18.79, 24.4, 273.4)`
CIE XYZ	`xyz(2.639, 2.698, 8.165)`
Decimal	`733009`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #0B2F51, 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 #0B2F51	Ratio	AA	AAA	AA large
Sample text	1.54:1	Fail	Fail	Fail
Sample text	13.64:1	Pass	Pass	Pass

#0B2F51 as text on	Ratio	AA	AAA	AA large
Sample text	13.64:1	Pass	Pass	Pass
Sample text	1.54:1	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 #0B2F51 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #0b2f51; }
.text { color: #0b2f51; }
.border { border: 2px solid #0b2f51; }
.transparent { background-color: rgb(11 47 81 / 50%); }
.gradient { background: linear-gradient(to right, #0b2f51, #0b0c51); }

Background

Text color

Border

Similar colors

Questions

What color is #0B2F51?: #0B2F51 is a very dark, moderate azure, closest to the named color Midnight Ocean. It belongs to the blue family of colors.
What is the RGB value of #0B2F51?: The RGB value is 11, 47, 81: 11 red, 47 green and 81 blue on a 0 to 255 scale.
What is the complementary color of #0B2F51?: The complementary color is #512D0B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #0B2F51?: White text. Black text has a contrast ratio of 1.54:1 and white text 13.64:1. WCAG asks for at least 4.5:1 for normal text.