What color is #173257?

#173257 is a dark, moderate azure, closest to the named color Midnight Ocean. It belongs to the blue family of colors.

What is the RGB value of #173257?

The RGB value is 23, 50, 87: 23 red, 50 green and 87 blue on a 0 to 255 scale.

What is the complementary color of #173257?

The complementary color is #573C17, found by rotating the hue 180° on the color wheel.

Is black or white text better on #173257?

White text. Black text has a contrast ratio of 1.63:1 and white text 12.88:1. WCAG asks for at least 4.5:1 for normal text.

#173257 color

#173257 rgb(23, 50, 87)

Shades of blue

The hex color #173257 is a dark, moderate azure.

In the RGB color model it is made of 9% red, 19.6% green and 34.1% blue (23, 50, 87).

Its hue angle is 215°, with 58% saturation and 22% lightness. For print, the CMYK equivalent is 74% cyan, 43% magenta, 0% yellow and 66% black.

The closest named color is Midnight Ocean (#0F2D4D), a difference of 2.3 ΔE, a small difference.

White text is the more readable choice on this background (contrast 12.88:1).

#173257 color codes

HEX	`#173257`
RGB	`rgb(23, 50, 87)`
RGB percent	`rgb(9%, 19.6%, 34.1%)`
HSL	`hsl(215, 58%, 22%)`
HSV / HSB	`hsv(215, 74%, 34%)`
CMYK	`cmyk(74%, 43%, 0%, 66%)`
CIE LAB	`lab(20.64, 3.75, -25.39)`
CIE LCH	`lch(20.64, 25.67, 278.4)`
CIE XYZ	`xyz(3.214, 3.151, 9.454)`
Decimal	`1520215`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #173257, 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 #173257	Ratio	AA	AAA	AA large
Sample text	1.63:1	Fail	Fail	Fail
Sample text	12.88:1	Pass	Pass	Pass

#173257 as text on	Ratio	AA	AAA	AA large
Sample text	12.88:1	Pass	Pass	Pass
Sample text	1.63:1	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 #173257 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #173257; }
.text { color: #173257; }
.border { border: 2px solid #173257; }
.transparent { background-color: rgb(23 50 87 / 50%); }
.gradient { background: linear-gradient(to right, #173257, #1c1757); }

Background

Text color

Border

Similar colors

Questions

What color is #173257?: #173257 is a dark, moderate azure, closest to the named color Midnight Ocean. It belongs to the blue family of colors.
What is the RGB value of #173257?: The RGB value is 23, 50, 87: 23 red, 50 green and 87 blue on a 0 to 255 scale.
What is the complementary color of #173257?: The complementary color is #573C17, found by rotating the hue 180° on the color wheel.
Is black or white text better on #173257?: White text. Black text has a contrast ratio of 1.63:1 and white text 12.88:1. WCAG asks for at least 4.5:1 for normal text.