#175178 Color
#175178 is rgb(23, 81, 120) in RGB, hsl(204, 68%, 28%) in HSL, and about cmyk(81%, 33%, 0%, 53%) in CMYK. It has no registered color name of its own — the closest is Metallic Blue (#32527B), clearly related but distinguishable side by side at ΔE 6.01. White text is the more readable choice on this background.
#175178rgb(23, 81, 120)hsl(204, 68%, 28%)hsv(204, 81%, 47%)cmyk(81%, 33%, 0%, 53%)oklch(41.8% 0.087 242.9)lab(32.32% -7.65 -28.00)lch(32.32% 29.02 254.72)What #175178 Is Called
Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #175178, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.
Browse the full index of named colors A-Z or every blue in the library.
#175178 Channel Values
How #175178 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.
| Model | Channels | Notes |
|---|---|---|
| RGB | R 23 · G 81 · B 120 | 8-bit channels as sent to the display |
| HSL | H 204° · S 68% · L 28% | Easiest model for building lighter and darker variants |
| HSV | H 204° · S 81% · V 47% | Matches the picker in most design tools |
| CMYK | C 81% · M 33% · Y 0% · K 53% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 8.45:1 vs white · 2.48:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #175178 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.
Need a specific ratio against another background? Open #175178 in the contrast checker.
Colors That Go With #175178
Pairings derived from color-wheel relationships. The complementary color sits opposite #175178; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.
Tints & Shades of #175178
Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.
Want a full 50-950 ramp with semantic roles? Generate design tokens from #175178.
How #175178 Looks with Color Vision Deficiency
Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.
#175178#4B4B78#3C4D78#444479#374A78#005757#025566#4D4D4DUsing #175178 in Code
Copy-ready declarations for the places this color usually ends up.
--color-175178: #175178;background-color: #175178;colors: { 'color-175178': '#175178' }Color(red: 0.090, green: 0.318, blue: 0.471)<color name="color_175178">#175178</color>fill="#175178"More Blue Colors
#175178 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#175178 Frequently Asked Questions
What color is #175178?
#175178 is a dark blue — rgb(23, 81, 120) in RGB and hsl(204, 68%, 28%) in HSL. It carries no registered color name of its own; the closest named color is Metallic Blue (#32527B), which is clearly related but distinguishable side by side at a CIE76 distance of 6.01.
What is the RGB value of #175178?
#175178 is rgb(23, 81, 120) — red 23, green 81, and blue 120 on the 0-255 scale.
What is the CMYK value of #175178?
#175178 converts to approximately cmyk(81%, 33%, 0%, 53%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #175178 be black or white?
White text is the more readable choice. #175178 scores 8.45:1 against white and 2.48:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #175178 as a CSS color keyword?
No. #175178 is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is steelblue (#4682B4) at a CIE76 distance of 20.26, which is visibly different.
Open #175178 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.