#4B8FDD Color
#4B8FDD is rgb(75, 143, 221) in RGB, hsl(212, 68%, 58%) in HSL, and about cmyk(66%, 35%, 0%, 13%) in CMYK. It has no registered color name of its own — the closest is United Nations Blue (#5B92E5), very hard to tell apart at ΔE 4.44. Black text is the more readable choice on this background.
#4B8FDDrgb(75, 143, 221)hsl(212, 68%, 58%)hsv(212, 66%, 87%)cmyk(66%, 35%, 0%, 13%)oklch(64.1% 0.137 253.4)lab(57.69% -3.16 -47.01)lch(57.69% 47.12 266.15)What #4B8FDD 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 #4B8FDD, 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.
#4B8FDD Channel Values
How #4B8FDD 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 75 · G 143 · B 221 | 8-bit channels as sent to the display |
| HSL | H 212° · S 68% · L 58% | Easiest model for building lighter and darker variants |
| HSV | H 212° · S 66% · V 87% | Matches the picker in most design tools |
| CMYK | C 66% · M 35% · Y 0% · K 13% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 3.35:1 vs white · 6.27:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #4B8FDD 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 #4B8FDD in the contrast checker.
Colors That Go With #4B8FDD
Pairings derived from color-wheel relationships. The complementary color sits opposite #4B8FDD; 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 #4B8FDD
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 #4B8FDD.
How #4B8FDD 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.
#4B8FDD#8686DD#738ADD#7E7EDE#6D85DD#1E9C9C#3597B9#8C8C8CUsing #4B8FDD in Code
Copy-ready declarations for the places this color usually ends up.
--color-4b8fdd: #4B8FDD;background-color: #4B8FDD;colors: { 'color-4b8fdd': '#4B8FDD' }Color(red: 0.294, green: 0.561, blue: 0.867)<color name="color_4b8fdd">#4B8FDD</color>fill="#4B8FDD"More Blue Colors
#4B8FDD sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#4B8FDD Frequently Asked Questions
What color is #4B8FDD?
#4B8FDD is a mid-tone blue — rgb(75, 143, 221) in RGB and hsl(212, 68%, 58%) in HSL. It carries no registered color name of its own; the closest named color is United Nations Blue (#5B92E5), which is very hard to tell apart at a CIE76 distance of 4.44.
What is the RGB value of #4B8FDD?
#4B8FDD is rgb(75, 143, 221) — red 75, green 143, and blue 221 on the 0-255 scale.
What is the CMYK value of #4B8FDD?
#4B8FDD converts to approximately cmyk(66%, 35%, 0%, 13%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #4B8FDD be black or white?
Black text is the more readable choice. #4B8FDD scores 3.35:1 against white and 6.27:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #4B8FDD as a CSS color keyword?
No. #4B8FDD 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 7.82, which is clearly related but distinguishable side by side.
Open #4B8FDD in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.