#305191 Color
#305191 is rgb(48, 81, 145) in RGB, hsl(220, 50%, 38%) in HSL, and about cmyk(67%, 44%, 0%, 43%) in CMYK. It has no registered color name of its own — the closest is Yinmn Blue (#2E5090), indistinguishable to the eye at ΔE 0.49. White text is the more readable choice on this background.
#305191rgb(48, 81, 145)hsl(220, 50%, 38%)hsv(220, 67%, 57%)cmyk(67%, 44%, 0%, 43%)oklch(44.4% 0.112 262.3)lab(34.54% 4.74 -39.72)lch(34.54% 40.00 276.80)What #305191 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 #305191, 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.
#305191 Channel Values
How #305191 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 48 · G 81 · B 145 | 8-bit channels as sent to the display |
| HSL | H 220° · S 50% · L 38% | Easiest model for building lighter and darker variants |
| HSV | H 220° · S 67% · V 57% | Matches the picker in most design tools |
| CMYK | C 67% · M 44% · Y 0% · K 43% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.74:1 vs white · 2.71:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #305191 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 #305191 in the contrast checker.
Colors That Go With #305191
Pairings derived from color-wheel relationships. The complementary color sits opposite #305191; 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 #305191
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 #305191.
How #305191 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.
#305191#4D4D91#434E91#484891#404C91#0D5C5C#205875#535353Using #305191 in Code
Copy-ready declarations for the places this color usually ends up.
--color-305191: #305191;background-color: #305191;colors: { 'color-305191': '#305191' }Color(red: 0.188, green: 0.318, blue: 0.569)<color name="color_305191">#305191</color>fill="#305191"More Blue Colors
#305191 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#305191 Frequently Asked Questions
What color is #305191?
#305191 is a dark blue — rgb(48, 81, 145) in RGB and hsl(220, 50%, 38%) in HSL. It carries no registered color name of its own; the closest named color is Yinmn Blue (#2E5090), which is indistinguishable to the eye at a CIE76 distance of 0.49.
What is the RGB value of #305191?
#305191 is rgb(48, 81, 145) — red 48, green 81, and blue 145 on the 0-255 scale.
What is the CMYK value of #305191?
#305191 converts to approximately cmyk(67%, 44%, 0%, 43%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #305191 be black or white?
White text is the more readable choice. #305191 scores 7.74:1 against white and 2.71:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #305191 as a CSS color keyword?
No. #305191 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 17.48, which is visibly different.
Open #305191 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.