#172459 Color
#172459 is rgb(23, 36, 89) in RGB, hsl(228, 59%, 22%) in HSL, and about cmyk(74%, 60%, 0%, 65%) in CMYK. It has no registered color name of its own — the closest is Sapphire Navy (#082567), clearly related but distinguishable side by side at ΔE 8.45. White text is the more readable choice on this background.
#172459rgb(23, 36, 89)hsl(228, 59%, 22%)hsv(228, 74%, 35%)cmyk(74%, 60%, 0%, 65%)oklch(28.4% 0.097 269)lab(15.80% 10.55 -34.35)lch(15.80% 35.94 287.07)What #172459 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 #172459, 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.
#172459 Channel Values
How #172459 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 36 · B 89 | 8-bit channels as sent to the display |
| HSL | H 228° · S 59% · L 22% | Easiest model for building lighter and darker variants |
| HSV | H 228° · S 74% · V 35% | Matches the picker in most design tools |
| CMYK | C 74% · M 60% · Y 0% · K 65% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 14.65:1 vs white · 1.43:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #172459 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 #172459 in the contrast checker.
Colors That Go With #172459
Pairings derived from color-wheel relationships. The complementary color sits opposite #172459; 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 #172459
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 #172459.
How #172459 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.
#172459#222259#1E2359#202059#1D2259#002F2F#082B43#282828Using #172459 in Code
Copy-ready declarations for the places this color usually ends up.
--color-172459: #172459;background-color: #172459;colors: { 'color-172459': '#172459' }Color(red: 0.090, green: 0.141, blue: 0.349)<color name="color_172459">#172459</color>fill="#172459"More Blue Colors
#172459 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#172459 Frequently Asked Questions
What color is #172459?
#172459 is a dark blue — rgb(23, 36, 89) in RGB and hsl(228, 59%, 22%) in HSL. It carries no registered color name of its own; the closest named color is Sapphire Navy (#082567), which is clearly related but distinguishable side by side at a CIE76 distance of 8.45.
What is the RGB value of #172459?
#172459 is rgb(23, 36, 89) — red 23, green 36, and blue 89 on the 0-255 scale.
What is the CMYK value of #172459?
#172459 converts to approximately cmyk(74%, 60%, 0%, 65%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #172459 be black or white?
White text is the more readable choice. #172459 scores 14.65:1 against white and 1.43:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #172459 as a CSS color keyword?
No. #172459 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 darkslateblue (#483D8B) at a CIE76 distance of 19.95, which is visibly different.
Open #172459 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.