#173C9D color
The hex color #173C9D is a dark, moderate blue.
In the RGB color model it is made of 9% red, 23.5% green and 61.6% blue (23, 60, 157).
Its hue angle is 223°, with 74% saturation and 35% lightness. For print, the CMYK equivalent is 85% cyan, 62% magenta, 0% yellow and 38% black.
The closest named color is Smalt (#003399), a difference of 2.7 ΔE, a small difference.
White text is the more readable choice on this background (contrast 9.68:1).
#173C9D color codes
| HEX | #173C9D | |
|---|---|---|
| RGB | rgb(23, 60, 157) | |
| RGB percent | rgb(9%, 23.5%, 61.6%) | |
| HSL | hsl(223, 74%, 35%) | |
| HSV / HSB | hsv(223, 85%, 62%) | |
| CMYK | cmyk(85%, 62%, 0%, 38%) | |
| CIE LAB | lab(29.02, 25.54, -56.17) | |
| CIE LCH | lch(29.02, 61.7, 294.45) | |
| CIE XYZ | xyz(8.053, 5.847, 32.596) | |
| Decimal | 1522845 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #173C9D, 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 #173C9D | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 2.17:1 | Fail | Fail | Fail |
| Sample text | 9.68:1 | Pass | Pass | Pass |
| #173C9D as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 9.68:1 | Pass | Pass | Pass |
| Sample text | 2.17:1 | 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 #173C9D looks to people with the most common types of color vision deficiency.
#004ba0Protanopia
no red cones#003e9bDeuteranopia
no green cones#005566Tritanopia
no blue cones#444444Achromatopsia
no color vision
CSS examples
.background { background-color: #173c9d; }
.text { color: #173c9d; }
.border { border: 2px solid #173c9d; }
.transparent { background-color: rgb(23 60 157 / 50%); }
.gradient { background: linear-gradient(to right, #173c9d, #35179d); }
Similar colors
#003399Smalt#1034a6Egyptian Blue#2d3796Liquid Denim#0034abBlue Hour#003388One Minute to Midnight#0047abCobalt Blue#002fa6International Klein Blue#0044bbOnce in a Blue Moon
Questions
- What color is #173C9D?
- #173C9D is a dark, moderate blue, closest to the named color Smalt. It belongs to the blue family of colors.
- What is the RGB value of #173C9D?
- The RGB value is 23, 60, 157: 23 red, 60 green and 157 blue on a 0 to 255 scale.
- What is the complementary color of #173C9D?
- The complementary color is #9D7817, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #173C9D?
- White text. Black text has a contrast ratio of 2.17:1 and white text 9.68:1. WCAG asks for at least 4.5:1 for normal text.