#115579 Color
#115579 is rgb(17, 85, 121) in RGB, hsl(201, 75%, 27%) in HSL, and about cmyk(86%, 30%, 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 6.47. White text is the more readable choice on this background.
#115579rgb(17, 85, 121)hsl(201, 75%, 27%)hsv(201, 86%, 47%)cmyk(86%, 30%, 0%, 53%)oklch(42.8% 0.087 238.1)lab(33.55% -10.33 -26.70)lch(33.55% 28.63 248.85)What #115579 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 #115579, 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.
#115579 Channel Values
How #115579 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 17 · G 85 · B 121 | 8-bit channels as sent to the display |
| HSL | H 201° · S 75% · L 27% | Easiest model for building lighter and darker variants |
| HSV | H 201° · S 86% · V 47% | Matches the picker in most design tools |
| CMYK | C 86% · M 30% · Y 0% · K 53% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 8.08:1 vs white · 2.6:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #115579 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 #115579 in the contrast checker.
Colors That Go With #115579
Pairings derived from color-wheel relationships. The complementary color sits opposite #115579; 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 #115579
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 #115579.
How #115579 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.
#115579#4E4E79#3E5179#47477A#384D79#005B5B#005868#505050Using #115579 in Code
Copy-ready declarations for the places this color usually ends up.
--color-115579: #115579;background-color: #115579;colors: { 'color-115579': '#115579' }Color(red: 0.067, green: 0.333, blue: 0.475)<color name="color_115579">#115579</color>fill="#115579"More Blue Colors
#115579 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#115579 Frequently Asked Questions
What color is #115579?
#115579 is a dark blue — rgb(17, 85, 121) in RGB and hsl(201, 75%, 27%) 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 6.47.
What is the RGB value of #115579?
#115579 is rgb(17, 85, 121) — red 17, green 85, and blue 121 on the 0-255 scale.
What is the CMYK value of #115579?
#115579 converts to approximately cmyk(86%, 30%, 0%, 53%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #115579 be black or white?
White text is the more readable choice. #115579 scores 8.08:1 against white and 2.6:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #115579 as a CSS color keyword?
No. #115579 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 19.53, which is visibly different.
Open #115579 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.