What color is #0F3B5B?

#0F3B5B is a dark, moderate azure, closest to the named color Poseidon. It belongs to the blue family of colors.

What is the RGB value of #0F3B5B?

The RGB value is 15, 59, 91: 15 red, 59 green and 91 blue on a 0 to 255 scale.

What is the complementary color of #0F3B5B?

The complementary color is #5B2F0F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #0F3B5B?

White text. Black text has a contrast ratio of 1.8:1 and white text 11.69:1. WCAG asks for at least 4.5:1 for normal text.

#0F3B5B color

#0F3B5B rgb(15, 59, 91)

Shades of blue

The hex color #0F3B5B is a dark, moderate azure.

In the RGB color model it is made of 5.9% red, 23.1% green and 35.7% blue (15, 59, 91).

Its hue angle is 205°, with 72% saturation and 21% lightness. For print, the CMYK equivalent is 84% cyan, 35% magenta, 0% yellow and 64% black.

The closest named color is Poseidon (#143C5D), a difference of 0.9 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 11.69:1).

#0F3B5B color codes

HEX	`#0F3B5B`
RGB	`rgb(15, 59, 91)`
RGB percent	`rgb(5.9%, 23.1%, 35.7%)`
HSL	`hsl(205, 72%, 21%)`
HSV / HSB	`hsv(205, 84%, 36%)`
CMYK	`cmyk(84%, 35%, 0%, 64%)`
CIE LAB	`lab(23.62, -2.11, -23.32)`
CIE LCH	`lch(23.62, 23.42, 264.84)`
CIE XYZ	`xyz(3.649, 3.984, 10.472)`
Decimal	`998235`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #0F3B5B, 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 #0F3B5B	Ratio	AA	AAA	AA large
Sample text	1.8:1	Fail	Fail	Fail
Sample text	11.69:1	Pass	Pass	Pass

#0F3B5B as text on	Ratio	AA	AAA	AA large
Sample text	11.69:1	Pass	Pass	Pass
Sample text	1.8:1	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 #0F3B5B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #0f3b5b; }
.text { color: #0f3b5b; }
.border { border: 2px solid #0f3b5b; }
.transparent { background-color: rgb(15 59 91 / 50%); }
.gradient { background: linear-gradient(to right, #0f3b5b, #0f155b); }

Background

Text color

Border

Similar colors

Questions

What color is #0F3B5B?: #0F3B5B is a dark, moderate azure, closest to the named color Poseidon. It belongs to the blue family of colors.
What is the RGB value of #0F3B5B?: The RGB value is 15, 59, 91: 15 red, 59 green and 91 blue on a 0 to 255 scale.
What is the complementary color of #0F3B5B?: The complementary color is #5B2F0F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #0F3B5B?: White text. Black text has a contrast ratio of 1.8:1 and white text 11.69:1. WCAG asks for at least 4.5:1 for normal text.