#284AB8 Color
#284AB8 is rgb(40, 74, 184) in RGB, hsl(226, 64%, 44%) in HSL, and about cmyk(78%, 60%, 0%, 28%) in CMYK. It has no registered color name of its own — the closest is Violet-blue (#324AB2), very hard to tell apart at ΔE 3.69. White text is the more readable choice on this background.
#284AB8rgb(40, 74, 184)hsl(226, 64%, 44%)hsv(226, 78%, 72%)cmyk(78%, 60%, 0%, 28%)oklch(45.6% 0.178 266.1)lab(34.57% 20.17 -62.97)lch(34.57% 66.12 287.76)What #284AB8 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 #284AB8, 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.
#284AB8 Channel Values
How #284AB8 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 40 · G 74 · B 184 | 8-bit channels as sent to the display |
| HSL | H 226° · S 64% · L 44% | Easiest model for building lighter and darker variants |
| HSV | H 226° · S 78% · V 72% | Matches the picker in most design tools |
| CMYK | C 78% · M 60% · Y 0% · K 28% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.6:1 vs white · 2.76:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #284AB8 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 #284AB8 in the contrast checker.
Colors That Go With #284AB8
Pairings derived from color-wheel relationships. The complementary color sits opposite #284AB8; 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 #284AB8
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 #284AB8.
How #284AB8 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.
#284AB8#4646B8#3C47B8#4141B8#3845B8#006161#00598C#545454Using #284AB8 in Code
Copy-ready declarations for the places this color usually ends up.
--color-284ab8: #284AB8;background-color: #284AB8;colors: { 'color-284ab8': '#284AB8' }Color(red: 0.157, green: 0.290, blue: 0.722)<color name="color_284ab8">#284AB8</color>fill="#284AB8"More Blue Colors
#284AB8 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#284AB8 Frequently Asked Questions
What color is #284AB8?
#284AB8 is a mid-tone blue — rgb(40, 74, 184) in RGB and hsl(226, 64%, 44%) in HSL. It carries no registered color name of its own; the closest named color is Violet-blue (#324AB2), which is very hard to tell apart at a CIE76 distance of 3.69.
What is the RGB value of #284AB8?
#284AB8 is rgb(40, 74, 184) — red 40, green 74, and blue 184 on the 0-255 scale.
What is the CMYK value of #284AB8?
#284AB8 converts to approximately cmyk(78%, 60%, 0%, 28%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #284AB8 be black or white?
White text is the more readable choice. #284AB8 scores 7.6:1 against white and 2.76:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #284AB8 as a CSS color keyword?
No. #284AB8 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 royalblue (#4169E1) at a CIE76 distance of 12.99, which is visibly different.
Open #284AB8 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.