#173775 color
The hex color #173775 is a dark, moderate azure.
In the RGB color model it is made of 9% red, 21.6% green and 45.9% blue (23, 55, 117).
Its hue angle is 220°, with 67% saturation and 27% lightness. For print, the CMYK equivalent is 80% cyan, 53% magenta, 0% yellow and 54% black.
The closest named color is Atlantic Navy (#13336F), a difference of 1.4 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 11.41:1).
#173775 color codes
| HEX | #173775 | |
|---|---|---|
| RGB | rgb(23, 55, 117) | |
| RGB percent | rgb(9%, 21.6%, 45.9%) | |
| HSL | hsl(220, 67%, 27%) | |
| HSV / HSB | hsv(220, 80%, 46%) | |
| CMYK | cmyk(80%, 53%, 0%, 54%) | |
| CIE LAB | lab(24.32, 12.68, -38.97) | |
| CIE LCH | lch(24.32, 40.98, 288.02) | |
| CIE XYZ | xyz(4.929, 4.198, 17.377) | |
| Decimal | 1521525 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #173775, 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 #173775 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.84:1 | Fail | Fail | Fail |
| Sample text | 11.41:1 | Pass | Pass | Pass |
| #173775 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 11.41:1 | Pass | Pass | Pass |
| Sample text | 1.84:1 | 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 #173775 looks to people with the most common types of color vision deficiency.
#103e77Protanopia
no red cones#003674Deuteranopia
no green cones#004650Tritanopia
no blue cones#3a3a3aAchromatopsia
no color vision
CSS examples
.background { background-color: #173775; }
.text { color: #173775; }
.border { border: 2px solid #173775; }
.transparent { background-color: rgb(23 55 117 / 50%); }
.gradient { background: linear-gradient(to right, #173775, #261775); }
Similar colors
#13336fAtlantic Navy#1c3378Twilight Express#003368Neptune’s Dream#0a2f7cBelow the Surface#03386aLost in Space#003b6fTardis Blue#223382Deep Space Royal#042e60Marine
Closest common color name: Prussian Blue.
Questions
- What color is #173775?
- #173775 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 #173775?
- The RGB value is 23, 55, 117: 23 red, 55 green and 117 blue on a 0 to 255 scale.
- What is the complementary color of #173775?
- The complementary color is #755517, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #173775?
- White text. Black text has a contrast ratio of 1.84:1 and white text 11.41:1. WCAG asks for at least 4.5:1 for normal text.