#005799 Color
#005799 is rgb(0, 87, 153) in RGB, hsl(206, 100%, 30%) in HSL, and about cmyk(100%, 43%, 0%, 40%) in CMYK. It has no registered color name of its own — the closest is Traffic Blue (#0E518D), very hard to tell apart at ΔE 4.23. White text is the more readable choice on this background.
#005799rgb(0, 87, 153)hsl(206, 100%, 30%)hsv(206, 100%, 60%)cmyk(100%, 43%, 0%, 40%)oklch(45% 0.128 250.3)lab(35.52% -1.96 -43.07)lch(35.52% 43.12 267.39)What #005799 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 #005799, 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.
#005799 Channel Values
How #005799 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 0 · G 87 · B 153 | 8-bit channels as sent to the display |
| HSL | H 206° · S 100% · L 30% | Easiest model for building lighter and darker variants |
| HSV | H 206° · S 100% · V 60% | Matches the picker in most design tools |
| CMYK | C 100% · M 43% · Y 0% · K 40% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.44:1 vs white · 2.82:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #005799 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 #005799 in the contrast checker.
Colors That Go With #005799
Pairings derived from color-wheel relationships. The complementary color sits opposite #005799; 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 #005799
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 #005799.
How #005799 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.
#005799#4F4F99#3E5399#47479A#374E99#006363#005E7C#555555Using #005799 in Code
Copy-ready declarations for the places this color usually ends up.
--color-005799: #005799;background-color: #005799;colors: { 'color-005799': '#005799' }Color(red: 0.000, green: 0.341, blue: 0.600)<color name="color_005799">#005799</color>fill="#005799"More Blue Colors
#005799 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#005799 Frequently Asked Questions
What color is #005799?
#005799 is a dark blue — rgb(0, 87, 153) in RGB and hsl(206, 100%, 30%) in HSL. It carries no registered color name of its own; the closest named color is Traffic Blue (#0E518D), which is very hard to tell apart at a CIE76 distance of 4.23.
What is the RGB value of #005799?
#005799 is rgb(0, 87, 153) — red 0, green 87, and blue 153 on the 0-255 scale.
What is the CMYK value of #005799?
#005799 converts to approximately cmyk(100%, 43%, 0%, 40%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #005799 be black or white?
White text is the more readable choice. #005799 scores 7.44:1 against white and 2.82:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #005799 as a CSS color keyword?
No. #005799 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 20.42, which is visibly different.
Open #005799 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.