What color is #173D8A?

#173D8A is a dark, moderate blue, closest to the named color One Minute to Midnight. It belongs to the blue family of colors.

What is the RGB value of #173D8A?

The RGB value is 23, 61, 138: 23 red, 61 green and 138 blue on a 0 to 255 scale.

What is the complementary color of #173D8A?

The complementary color is #8A6417, found by rotating the hue 180° on the color wheel.

Is black or white text better on #173D8A?

White text. Black text has a contrast ratio of 2.07:1 and white text 10.14:1. WCAG asks for at least 4.5:1 for normal text.

#173D8A color

#173D8A rgb(23, 61, 138)

Shades of blue

The hex color #173D8A is a dark, moderate blue.

In the RGB color model it is made of 9% red, 23.9% green and 54.1% blue (23, 61, 138).

Its hue angle is 220°, with 71% saturation and 32% lightness. For print, the CMYK equivalent is 83% cyan, 56% magenta, 0% yellow and 46% black.

The closest named color is One Minute to Midnight (#003388), a difference of 3.1 ΔE, a small difference.

White text is the more readable choice on this background (contrast 10.14:1).

#173D8A color codes

HEX	`#173D8A`
RGB	`rgb(23, 61, 138)`
RGB percent	`rgb(9%, 23.9%, 54.1%)`
HSL	`hsl(220, 71%, 32%)`
HSV / HSB	`hsv(220, 83%, 54%)`
CMYK	`cmyk(83%, 56%, 0%, 46%)`
CIE LAB	`lab(27.72, 17.15, -46.64)`
CIE LCH	`lch(27.72, 49.69, 290.19)`
CIE XYZ	`xyz(6.608, 5.354, 24.725)`
Decimal	`1523082`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #173D8A, 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 #173D8A	Ratio	AA	AAA	AA large
Sample text	2.07:1	Fail	Fail	Fail
Sample text	10.14:1	Pass	Pass	Pass

#173D8A as text on	Ratio	AA	AAA	AA large
Sample text	10.14:1	Pass	Pass	Pass
Sample text	2.07:1	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 #173D8A looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #173d8a; }
.text { color: #173d8a; }
.border { border: 2px solid #173d8a; }
.transparent { background-color: rgb(23 61 138 / 50%); }
.gradient { background: linear-gradient(to right, #173d8a, #2b178a); }

Background

Text color

Border

Similar colors

Closest common color name: Cobalt Blue.

Questions

What color is #173D8A?: #173D8A is a dark, moderate blue, closest to the named color One Minute to Midnight. It belongs to the blue family of colors.
What is the RGB value of #173D8A?: The RGB value is 23, 61, 138: 23 red, 61 green and 138 blue on a 0 to 255 scale.
What is the complementary color of #173D8A?: The complementary color is #8A6417, found by rotating the hue 180° on the color wheel.
Is black or white text better on #173D8A?: White text. Black text has a contrast ratio of 2.07:1 and white text 10.14:1. WCAG asks for at least 4.5:1 for normal text.