#173668 color
The hex color #173668 is a dark, moderate azure.
In the RGB color model it is made of 9% red, 21.2% green and 40.8% blue (23, 54, 104).
Its hue angle is 217°, with 64% saturation and 25% lightness. For print, the CMYK equivalent is 78% cyan, 48% magenta, 0% yellow and 59% black.
The closest named color is Atlantic Navy (#13336F), a difference of 1.8 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 11.9:1).
#173668 color codes
| HEX | #173668 | |
|---|---|---|
| RGB | rgb(23, 54, 104) | |
| RGB percent | rgb(9%, 21.2%, 40.8%) | |
| HSL | hsl(217, 64%, 25%) | |
| HSV / HSB | hsv(217, 78%, 41%) | |
| CMYK | cmyk(78%, 48%, 0%, 59%) | |
| CIE LAB | lab(23.07, 7.97, -32.65) | |
| CIE LCH | lch(23.07, 33.61, 283.71) | |
| CIE XYZ | xyz(4.17, 3.82, 13.611) | |
| Decimal | 1521256 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #173668, 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 #173668 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.76:1 | Fail | Fail | Fail |
| Sample text | 11.9:1 | Pass | Pass | Pass |
| #173668 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 11.9:1 | 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 #173668 looks to people with the most common types of color vision deficiency.
#1c3b6aProtanopia
no red cones#0b3467Deuteranopia
no green cones#00424aTritanopia
no blue cones#373737Achromatopsia
no color vision
CSS examples
.background { background-color: #173668; }
.text { color: #173668; }
.border { border: 2px solid #173668; }
.transparent { background-color: rgb(23 54 104 / 50%); }
.gradient { background: linear-gradient(to right, #173668, #211768); }
Similar colors
#13336fAtlantic Navy#003368Neptune’s Dream#03386aLost in Space#042e60Marine#003b6fTardis Blue#1c2e63Mythical Night#1b416fAegean Blue#2c4170Napoleonic Blue
Closest common color name: Prussian Blue.
Questions
- What color is #173668?
- #173668 is a dark, moderate azure, closest to the named color Atlantic Navy. It belongs to the blue family of colors.
- What is the RGB value of #173668?
- The RGB value is 23, 54, 104: 23 red, 54 green and 104 blue on a 0 to 255 scale.
- What is the complementary color of #173668?
- The complementary color is #684917, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #173668?
- White text. Black text has a contrast ratio of 1.76:1 and white text 11.9:1. WCAG asks for at least 4.5:1 for normal text.