What color is #173A50?

#173A50 is a dark, moderate azure, closest to the named color Capital Blue. It belongs to the blue family of colors.

What is the RGB value of #173A50?

The RGB value is 23, 58, 80: 23 red, 58 green and 80 blue on a 0 to 255 scale.

What is the complementary color of #173A50?

The complementary color is #502D17, found by rotating the hue 180° on the color wheel.

Is black or white text better on #173A50?

White text. Black text has a contrast ratio of 1.76:1 and white text 11.95:1. WCAG asks for at least 4.5:1 for normal text.

#173A50 color

#173A50 rgb(23, 58, 80)

Shades of blue

The hex color #173A50 is a dark, moderate azure.

In the RGB color model it is made of 9% red, 22.7% green and 31.4% blue (23, 58, 80).

Its hue angle is 203°, with 55% saturation and 20% lightness. For print, the CMYK equivalent is 71% cyan, 28% magenta, 0% yellow and 69% black.

The closest named color is Capital Blue (#1A4157), a difference of 2.4 ΔE, a small difference.

White text is the more readable choice on this background (contrast 11.95:1).

#173A50 color codes

HEX	`#173A50`
RGB	`rgb(23, 58, 80)`
RGB percent	`rgb(9%, 22.7%, 31.4%)`
HSL	`hsl(203, 55%, 20%)`
HSV / HSB	`hsv(203, 71%, 31%)`
CMYK	`cmyk(71%, 28%, 0%, 69%)`
CIE LAB	`lab(22.95, -4.57, -17.1)`
CIE LCH	`lch(22.95, 17.7, 255.05)`
CIE XYZ	`xyz(3.314, 3.787, 8.144)`
Decimal	`1522256`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #173A50, 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 #173A50	Ratio	AA	AAA	AA large
Sample text	1.76:1	Fail	Fail	Fail
Sample text	11.95:1	Pass	Pass	Pass

#173A50 as text on	Ratio	AA	AAA	AA large
Sample text	11.95:1	Pass	Pass	Pass
Sample text	1.76:1	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 #173A50 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #173a50; }
.text { color: #173a50; }
.border { border: 2px solid #173a50; }
.transparent { background-color: rgb(23 58 80 / 50%); }
.gradient { background: linear-gradient(to right, #173a50, #171e50); }

Background

Text color

Border

Similar colors

Closest common color name: Prussian Blue.

Questions

What color is #173A50?: #173A50 is a dark, moderate azure, closest to the named color Capital Blue. It belongs to the blue family of colors.
What is the RGB value of #173A50?: The RGB value is 23, 58, 80: 23 red, 58 green and 80 blue on a 0 to 255 scale.
What is the complementary color of #173A50?: The complementary color is #502D17, found by rotating the hue 180° on the color wheel.
Is black or white text better on #173A50?: White text. Black text has a contrast ratio of 1.76:1 and white text 11.95:1. WCAG asks for at least 4.5:1 for normal text.