What color is #0B305E?

#0B305E is a dark, moderate azure, closest to the named color Marine. It belongs to the blue family of colors.

What is the RGB value of #0B305E?

The RGB value is 11, 48, 94: 11 red, 48 green and 94 blue on a 0 to 255 scale.

What is the complementary color of #0B305E?

The complementary color is #5E390B, found by rotating the hue 180° on the color wheel.

Is black or white text better on #0B305E?

White text. Black text has a contrast ratio of 1.6:1 and white text 13.14:1. WCAG asks for at least 4.5:1 for normal text.

#0B305E color

#0B305E rgb(11, 48, 94)

Shades of blue

The hex color #0B305E is a dark, moderate azure.

In the RGB color model it is made of 4.3% red, 18.8% green and 36.9% blue (11, 48, 94).

Its hue angle is 213°, with 79% saturation and 21% lightness. For print, the CMYK equivalent is 88% cyan, 49% magenta, 0% yellow and 63% black.

The closest named color is Marine (#042E60), a difference of 0.9 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 13.14:1).

#0B305E color codes

HEX	`#0B305E`
RGB	`rgb(11, 48, 94)`
RGB percent	`rgb(4.3%, 18.8%, 36.9%)`
HSL	`hsl(213, 79%, 21%)`
HSV / HSB	`hsv(213, 88%, 37%)`
CMYK	`cmyk(88%, 49%, 0%, 63%)`
CIE LAB	`lab(20.02, 6.46, -31.04)`
CIE LCH	`lch(20.02, 31.71, 281.75)`
CIE XYZ	`xyz(3.215, 2.993, 10.996)`
Decimal	`733278`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #0B305E, 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 #0B305E	Ratio	AA	AAA	AA large
Sample text	1.6:1	Fail	Fail	Fail
Sample text	13.14:1	Pass	Pass	Pass

#0B305E as text on	Ratio	AA	AAA	AA large
Sample text	13.14:1	Pass	Pass	Pass
Sample text	1.6:1	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 #0B305E looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #0b305e; }
.text { color: #0b305e; }
.border { border: 2px solid #0b305e; }
.transparent { background-color: rgb(11 48 94 / 50%); }
.gradient { background: linear-gradient(to right, #0b305e, #0f0b5e); }

Background

Text color

Border

Similar colors

Questions

What color is #0B305E?: #0B305E is a dark, moderate azure, closest to the named color Marine. It belongs to the blue family of colors.
What is the RGB value of #0B305E?: The RGB value is 11, 48, 94: 11 red, 48 green and 94 blue on a 0 to 255 scale.
What is the complementary color of #0B305E?: The complementary color is #5E390B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #0B305E?: White text. Black text has a contrast ratio of 1.6:1 and white text 13.14:1. WCAG asks for at least 4.5:1 for normal text.