#005FB3 Color
#005FB3 is rgb(0, 95, 179) in RGB, hsl(208, 100%, 35%) in HSL, and about cmyk(100%, 47%, 0%, 30%) in CMYK. It has no registered color name of its own — the closest is Green-blue (#1164B4), very hard to tell apart at ΔE 3.38. White text is the more readable choice on this background.
#005FB3rgb(0, 95, 179)hsl(208, 100%, 35%)hsv(208, 100%, 70%)cmyk(100%, 47%, 0%, 30%)oklch(48.8% 0.153 253.6)lab(39.47% 2.33 -52.16)lch(39.47% 52.21 272.56)What #005FB3 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 #005FB3, 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.
#005FB3 Channel Values
How #005FB3 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 95 · B 179 | 8-bit channels as sent to the display |
| HSL | H 208° · S 100% · L 35% | Easiest model for building lighter and darker variants |
| HSV | H 208° · S 100% · V 70% | Matches the picker in most design tools |
| CMYK | C 100% · M 47% · Y 0% · K 30% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 6.39:1 vs white · 3.29:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #005FB3 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 #005FB3 in the contrast checker.
Colors That Go With #005FB3
Pairings derived from color-wheel relationships. The complementary color sits opposite #005FB3; 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 #005FB3
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 #005FB3.
How #005FB3 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.
#005FB3#5757B3#435AB3#4E4EB4#3D55B3#006E6E#00698F#5F5F5FUsing #005FB3 in Code
Copy-ready declarations for the places this color usually ends up.
--color-005fb3: #005FB3;background-color: #005FB3;colors: { 'color-005fb3': '#005FB3' }Color(red: 0.000, green: 0.373, blue: 0.702)<color name="color_005fb3">#005FB3</color>fill="#005FB3"More Blue Colors
#005FB3 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#005FB3 Frequently Asked Questions
What color is #005FB3?
#005FB3 is a dark blue — rgb(0, 95, 179) in RGB and hsl(208, 100%, 35%) in HSL. It carries no registered color name of its own; the closest named color is Green-blue (#1164B4), which is very hard to tell apart at a CIE76 distance of 3.38.
What is the RGB value of #005FB3?
#005FB3 is rgb(0, 95, 179) — red 0, green 95, and blue 179 on the 0-255 scale.
What is the CMYK value of #005FB3?
#005FB3 converts to approximately cmyk(100%, 47%, 0%, 30%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #005FB3 be black or white?
White text is the more readable choice. #005FB3 scores 6.39:1 against white and 3.29:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #005FB3 as a CSS color keyword?
No. #005FB3 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 cornflowerblue (#6495ED) at a CIE76 distance of 21.86, which is visibly different.
Open #005FB3 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.