What color is #172F56?

#172F56 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 #172F56?

The RGB value is 23, 47, 86: 23 red, 47 green and 86 blue on a 0 to 255 scale.

What is the complementary color of #172F56?

The complementary color is #563E17, found by rotating the hue 180° on the color wheel.

Is black or white text better on #172F56?

White text. Black text has a contrast ratio of 1.58:1 and white text 13.31:1. WCAG asks for at least 4.5:1 for normal text.

#172F56 color

#172F56 rgb(23, 47, 86)

Shades of blue

The hex color #172F56 is a dark, moderate azure.

In the RGB color model it is made of 9% red, 18.4% green and 33.7% blue (23, 47, 86).

Its hue angle is 217°, with 58% saturation and 21% lightness. For print, the CMYK equivalent is 73% cyan, 45% magenta, 0% yellow and 66% black.

The closest named color is Marine (#042E60), a difference of 2.6 ΔE, a small difference.

White text is the more readable choice on this background (contrast 13.31:1).

#172F56 color codes

HEX	`#172F56`
RGB	`rgb(23, 47, 86)`
RGB percent	`rgb(9%, 18.4%, 33.7%)`
HSL	`hsl(217, 58%, 21%)`
HSV / HSB	`hsv(217, 73%, 34%)`
CMYK	`cmyk(73%, 45%, 0%, 66%)`
CIE LAB	`lab(19.58, 5.49, -26.41)`
CIE LCH	`lch(19.58, 26.97, 281.74)`
CIE XYZ	`xyz(3.049, 2.887, 9.199)`
Decimal	`1519446`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #172F56, 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 #172F56	Ratio	AA	AAA	AA large
Sample text	1.58:1	Fail	Fail	Fail
Sample text	13.31:1	Pass	Pass	Pass

#172F56 as text on	Ratio	AA	AAA	AA large
Sample text	13.31:1	Pass	Pass	Pass
Sample text	1.58:1	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 #172F56 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #172f56; }
.text { color: #172f56; }
.border { border: 2px solid #172f56; }
.transparent { background-color: rgb(23 47 86 / 50%); }
.gradient { background: linear-gradient(to right, #172f56, #1e1756); }

Background

Text color

Border

Similar colors

Questions

What color is #172F56?: #172F56 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 #172F56?: The RGB value is 23, 47, 86: 23 red, 47 green and 86 blue on a 0 to 255 scale.
What is the complementary color of #172F56?: The complementary color is #563E17, found by rotating the hue 180° on the color wheel.
Is black or white text better on #172F56?: White text. Black text has a contrast ratio of 1.58:1 and white text 13.31:1. WCAG asks for at least 4.5:1 for normal text.