Valspar UK Princeton Blue R173B
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| Official page: | Princeton Blue R173B |
| Code: | R173B |
| Name: | Princeton Blue |
| Brand: | Valspar UK |
What color is Valspar UK Princeton Blue?
Valspar UK Princeton Blue R173B is a muted mid-tone blue with a noticeable grey cast, giving it a restrained, slightly slate-like appearance. It reads cool overall, though its softened saturation keeps it from feeling sharp on large wall areas. In north-facing rooms it can appear more blue-grey, while warmer afternoon light may bring out its gentler, dusty blue side. Princeton Blue suits studies, bedrooms, hallways, and painted cabinetry where a deeper neutral is wanted without using charcoal. Pair it with warm white trim, pale oak, brushed nickel, soft stone, or muted clay tones for contrast.
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What are Valspar UK Princeton Blue undertones?
Princeton Blue is a midtone, muted slate blue. The HEX sample leans blue; this describes its measurable digital hue direction, not a hidden paint pigment. Warm bulbs may gray the color down, while cool daylight usually makes its blue or teal direction clearer.
HEX value:
RGB code:
87, 118, 143
Is Valspar UK Princeton Blue cool or warm?
With a hue of 207°, this Blue reads cool based on its HSL hue position.
R173B Princeton Blue HSL code: 207, 24%, 45%
Hue - degree on a color wheel from 0 to 360. 0 is red, 120 is green, and 240 is blue.
Saturation is expressed as a percentage. At 0%, it appears as a shade of grey, and at 100%, it is in full color.
Lightness is also a percentage value. 0% is black, and 100% is white.
How light temperature affects Princeton Blue
Natural Lighting. During the day, natural light shifts from about 2000 K at sunrise/sunset to 5500–6500 K at noon.
In addition, natural-light temperature depends on its direction:
| Direction of sunlight | Visible temp. | Hue | Duration |
|---|---|---|---|
| North | Cool | Bluish | All day |
| East | Warm | Yellow | Before noon |
| West | Warm | Orange-red | After noon |
| South | Warm | Orange-yellow | All day |
Artificial Lighting. When choosing bulbs, pay attention to their color temperature in Kelvins.
Use the slider to see how this Blue shade looks under different lighting:


4000K
Coordinating colors.
Colors that go with Valspar UK Princeton Blue:
Monochromatic color scheme
This scheme consists of various shades, tints, and tones of a single color. While it offers a perfect combination of hues, without accent décor it may become monotonous.
Lighter shades
R173B
Princeton Blue
Darker shades
Complementary color scheme
This color scheme is a combination of two shades that are opposite each other on the color wheel. The high contrast between these colors creates a vibrant and dynamic visual effect. For the color Princeton Blue with a green hue, complementary colors are those with a red hue close to 27, such as Valspar UK Silver Mauve and Smooth Pebbles.
Color codes
We have collected almost every possible color code you could ever need.
Not sure what the difference between HEX and RGB is? We break down color models in plain language. Understanding color models
| Format | Code |
|---|---|
| HEX | #57768f |
| RGB Decimal | 87, 118, 143 |
| RGB Percent | 34.12%, 46.27%, 56.08% |
| HSV | Hue: 207° Saturation: 39.16% Value: 56.08% |
| HSL | hsl(207, 24.35, 45.1) |
| CMYK | Cyan: 39.16 Magenta: 17.48 Yellow: 0.0 Key: 43.92 |
| YIQ | Y: 111.581 I: -26.507 Q: 1.222 |
| XYZ | X: 15.365 Y: 16.965 Z: 28.444 |
| CIE Lab | L:48.216 a:-4.42 b:-17.134 |
| CIE Luv | L:48.216 u:-15.546 v:-24.097 |
| Decimal | 5731983 |
| Hunter Lab | 41.189, -5.494, -12.112 |
Color equivalents
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NCS



