#173345 color
The hex color #173345 is a very dark, desaturated azure.
In the RGB color model it is made of 9% red, 20% green and 27.1% blue (23, 51, 69).
Its hue angle is 203°, with 50% saturation and 18% lightness. For print, the CMYK equivalent is 67% cyan, 26% magenta, 0% yellow and 73% black.
The closest named color is Blue Whale (#1E3442), a difference of 1.9 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 13.16:1).
#173345 color codes
| HEX | #173345 | |
|---|---|---|
| RGB | rgb(23, 51, 69) | |
| RGB percent | rgb(9%, 20%, 27.1%) | |
| HSL | hsl(203, 50%, 18%) | |
| HSV / HSB | hsv(203, 67%, 27%) | |
| CMYK | cmyk(67%, 26%, 0%, 73%) | |
| CIE LAB | lab(19.96, -4.14, -14.39) | |
| CIE LCH | lch(19.96, 14.97, 253.96) | |
| CIE XYZ | xyz(2.611, 2.979, 6.067) | |
| Decimal | 1520453 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #173345, 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 #173345 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.6:1 | Fail | Fail | Fail |
| Sample text | 13.16:1 | Pass | Pass | Pass |
| #173345 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 13.16:1 | Pass | Pass | Pass |
| Sample text | 1.6:1 | 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 #173345 looks to people with the most common types of color vision deficiency.
#2b3346Protanopia
no red cones#252e45Deuteranopia
no green cones#003839Tritanopia
no blue cones#303030Achromatopsia
no color vision
CSS examples
.background { background-color: #173345; }
.text { color: #173345; }
.border { border: 2px solid #173345; }
.transparent { background-color: rgb(23 51 69 / 50%); }
.gradient { background: linear-gradient(to right, #173345, #171c45); }
Similar colors
#1e3442Blue Whale#0b334dSea of Stars#1e3642Into the Night#172b36Oceanic Noir#243640Petrol Slumber#003344Nordic Noir#253f4eDepths of the Nile#1a4157Capital Blue
Closest common color name: Prussian Blue.
Questions
- What color is #173345?
- #173345 is a very dark, desaturated azure, closest to the named color Blue Whale. It belongs to the blue family of colors.
- What is the RGB value of #173345?
- The RGB value is 23, 51, 69: 23 red, 51 green and 69 blue on a 0 to 255 scale.
- What is the complementary color of #173345?
- The complementary color is #452917, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #173345?
- White text. Black text has a contrast ratio of 1.6:1 and white text 13.16:1. WCAG asks for at least 4.5:1 for normal text.