What color is #173C65?

#173C65 is a dark, moderate azure, closest to the named color Lost in Space. It belongs to the blue family of colors.

What is the RGB value of #173C65?

The RGB value is 23, 60, 101: 23 red, 60 green and 101 blue on a 0 to 255 scale.

What is the complementary color of #173C65?

The complementary color is #654017, found by rotating the hue 180° on the color wheel.

Is black or white text better on #173C65?

White text. Black text has a contrast ratio of 1.87:1 and white text 11.23:1. WCAG asks for at least 4.5:1 for normal text.

#173C65 color

#173C65 rgb(23, 60, 101)

Shades of blue

The hex color #173C65 is a dark, moderate azure.

In the RGB color model it is made of 9% red, 23.5% green and 39.6% blue (23, 60, 101).

Its hue angle is 212°, with 63% saturation and 24% lightness. For print, the CMYK equivalent is 77% cyan, 41% magenta, 0% yellow and 60% black.

The closest named color is Lost in Space (#03386A), a difference of 1.9 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 11.23:1).

#173C65 color codes

HEX	`#173C65`
RGB	`rgb(23, 60, 101)`
RGB percent	`rgb(9%, 23.5%, 39.6%)`
HSL	`hsl(212, 63%, 24%)`
HSV / HSB	`hsv(212, 77%, 40%)`
CMYK	`cmyk(77%, 41%, 0%, 60%)`
CIE LAB	`lab(24.81, 2.51, -27.93)`
CIE LCH	`lch(24.81, 28.04, 275.14)`
CIE XYZ	`xyz(4.317, 4.353, 12.922)`
Decimal	`1522789`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #173C65, 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 #173C65	Ratio	AA	AAA	AA large
Sample text	1.87:1	Fail	Fail	Fail
Sample text	11.23:1	Pass	Pass	Pass

#173C65 as text on	Ratio	AA	AAA	AA large
Sample text	11.23:1	Pass	Pass	Pass
Sample text	1.87:1	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 #173C65 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #173c65; }
.text { color: #173c65; }
.border { border: 2px solid #173c65; }
.transparent { background-color: rgb(23 60 101 / 50%); }
.gradient { background: linear-gradient(to right, #173c65, #191765); }

Background

Text color

Border

Similar colors

Closest common color name: Prussian Blue.

Questions

What color is #173C65?: #173C65 is a dark, moderate azure, closest to the named color Lost in Space. It belongs to the blue family of colors.
What is the RGB value of #173C65?: The RGB value is 23, 60, 101: 23 red, 60 green and 101 blue on a 0 to 255 scale.
What is the complementary color of #173C65?: The complementary color is #654017, found by rotating the hue 180° on the color wheel.
Is black or white text better on #173C65?: White text. Black text has a contrast ratio of 1.87:1 and white text 11.23:1. WCAG asks for at least 4.5:1 for normal text.