What color is #173E5F?

#173E5F 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 #173E5F?

The RGB value is 23, 62, 95: 23 red, 62 green and 95 blue on a 0 to 255 scale.

What is the complementary color of #173E5F?

The complementary color is #5F3817, found by rotating the hue 180° on the color wheel.

Is black or white text better on #173E5F?

White text. Black text has a contrast ratio of 1.89:1 and white text 11.11:1. WCAG asks for at least 4.5:1 for normal text.

#173E5F color

#173E5F rgb(23, 62, 95)

Shades of blue

The hex color #173E5F is a dark, moderate azure.

In the RGB color model it is made of 9% red, 24.3% green and 37.3% blue (23, 62, 95).

Its hue angle is 207°, with 61% saturation and 23% lightness. For print, the CMYK equivalent is 76% cyan, 35% magenta, 0% yellow and 63% black.

The closest named color is Poseidon (#143C5D), a difference of 0.6 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 11.11:1).

#173E5F color codes

HEX	`#173E5F`
RGB	`rgb(23, 62, 95)`
RGB percent	`rgb(9%, 24.3%, 37.3%)`
HSL	`hsl(207, 61%, 23%)`
HSV / HSB	`hsv(207, 76%, 37%)`
CMYK	`cmyk(76%, 35%, 0%, 63%)`
CIE LAB	`lab(25.12, -1.29, -23.55)`
CIE LCH	`lch(25.12, 23.59, 266.86)`
CIE XYZ	`xyz(4.141, 4.453, 11.466)`
Decimal	`1523295`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #173E5F, 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 #173E5F	Ratio	AA	AAA	AA large
Sample text	1.89:1	Fail	Fail	Fail
Sample text	11.11:1	Pass	Pass	Pass

#173E5F as text on	Ratio	AA	AAA	AA large
Sample text	11.11:1	Pass	Pass	Pass
Sample text	1.89:1	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 #173E5F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #173e5f; }
.text { color: #173e5f; }
.border { border: 2px solid #173e5f; }
.transparent { background-color: rgb(23 62 95 / 50%); }
.gradient { background: linear-gradient(to right, #173e5f, #171a5f); }

Background

Text color

Border

Similar colors

Closest common color name: Prussian Blue.

Questions

What color is #173E5F?: #173E5F 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 #173E5F?: The RGB value is 23, 62, 95: 23 red, 62 green and 95 blue on a 0 to 255 scale.
What is the complementary color of #173E5F?: The complementary color is #5F3817, found by rotating the hue 180° on the color wheel.
Is black or white text better on #173E5F?: White text. Black text has a contrast ratio of 1.89:1 and white text 11.11:1. WCAG asks for at least 4.5:1 for normal text.