#175678 Color
#175678 is rgb(23, 86, 120) in RGB, hsl(201, 68%, 28%) in HSL, and about cmyk(81%, 28%, 0%, 53%) in CMYK. It has no registered color name of its own — the closest is Blue Sapphire (#126180), clearly related but distinguishable side by side at ΔE 5.72. White text is the more readable choice on this background.
#175678rgb(23, 86, 120)hsl(201, 68%, 28%)hsv(201, 81%, 47%)cmyk(81%, 28%, 0%, 53%)oklch(43.1% 0.083 237.4)lab(33.98% -10.46 -25.40)lch(33.98% 27.47 247.62)What #175678 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 #175678, 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.
#175678 Channel Values
How #175678 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 86 · B 120 | 8-bit channels as sent to the display |
| HSL | H 201° · S 68% · L 28% | Easiest model for building lighter and darker variants |
| HSV | H 201° · S 81% · V 47% | Matches the picker in most design tools |
| CMYK | C 81% · M 28% · Y 0% · K 53% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.96:1 vs white · 2.64:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #175678 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 #175678 in the contrast checker.
Colors That Go With #175678
Pairings derived from color-wheel relationships. The complementary color sits opposite #175678; 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 #175678
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 #175678.
How #175678 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.
#175678#4F4F78#405278#484879#3A4E78#005B5B#045968#515151Using #175678 in Code
Copy-ready declarations for the places this color usually ends up.
--color-175678: #175678;background-color: #175678;colors: { 'color-175678': '#175678' }Color(red: 0.090, green: 0.337, blue: 0.471)<color name="color_175678">#175678</color>fill="#175678"More Blue Colors
#175678 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#175678 Frequently Asked Questions
What color is #175678?
#175678 is a dark blue — rgb(23, 86, 120) in RGB and hsl(201, 68%, 28%) in HSL. It carries no registered color name of its own; the closest named color is Blue Sapphire (#126180), which is clearly related but distinguishable side by side at a CIE76 distance of 5.72.
What is the RGB value of #175678?
#175678 is rgb(23, 86, 120) — red 23, green 86, and blue 120 on the 0-255 scale.
What is the CMYK value of #175678?
#175678 converts to approximately cmyk(81%, 28%, 0%, 53%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #175678 be black or white?
White text is the more readable choice. #175678 scores 7.96:1 against white and 2.64:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #175678 as a CSS color keyword?
No. #175678 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 19.59, which is visibly different.
Open #175678 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.