What color is #171C73?

#171C73 is a dark, moderate blue, closest to the named color Midnight Blue. It belongs to the blue family of colors.

What is the RGB value of #171C73?

The RGB value is 23, 28, 115: 23 red, 28 green and 115 blue on a 0 to 255 scale.

What is the complementary color of #171C73?

The complementary color is #736E17, found by rotating the hue 180° on the color wheel.

Is black or white text better on #171C73?

White text. Black text has a contrast ratio of 1.45:1 and white text 14.48:1. WCAG asks for at least 4.5:1 for normal text.

#171C73 color

#171C73 rgb(23, 28, 115)

Shades of blue

The hex color #171C73 is a dark, moderate blue.

In the RGB color model it is made of 9% red, 11% green and 45.1% blue (23, 28, 115).

Its hue angle is 237°, with 67% saturation and 27% lightness. For print, the CMYK equivalent is 80% cyan, 76% magenta, 0% yellow and 55% black.

The closest named color is Midnight Blue (#191970), a difference of 1 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 14.48:1).

#171C73 color codes

HEX	`#171C73`
RGB	`rgb(23, 28, 115)`
RGB percent	`rgb(9%, 11%, 45.1%)`
HSL	`hsl(237, 67%, 27%)`
HSV / HSB	`hsv(237, 80%, 45%)`
CMYK	`cmyk(80%, 76%, 0%, 55%)`
CIE LAB	`lab(16.75, 30.74, -50.05)`
CIE LCH	`lch(16.75, 58.74, 301.56)`
CIE XYZ	`xyz(3.862, 2.25, 16.447)`
Decimal	`1514611`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #171C73, 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 #171C73	Ratio	AA	AAA	AA large
Sample text	1.45:1	Fail	Fail	Fail
Sample text	14.48:1	Pass	Pass	Pass

#171C73 as text on	Ratio	AA	AAA	AA large
Sample text	14.48:1	Pass	Pass	Pass
Sample text	1.45:1	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 #171C73 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #171c73; }
.text { color: #171c73; }
.border { border: 2px solid #171c73; }
.transparent { background-color: rgb(23 28 115 / 50%); }
.gradient { background: linear-gradient(to right, #171c73, #401773); }

Background

Text color

Border

Similar colors

Questions

What color is #171C73?: #171C73 is a dark, moderate blue, closest to the named color Midnight Blue. It belongs to the blue family of colors.
What is the RGB value of #171C73?: The RGB value is 23, 28, 115: 23 red, 28 green and 115 blue on a 0 to 255 scale.
What is the complementary color of #171C73?: The complementary color is #736E17, found by rotating the hue 180° on the color wheel.
Is black or white text better on #171C73?: White text. Black text has a contrast ratio of 1.45:1 and white text 14.48:1. WCAG asks for at least 4.5:1 for normal text.