#4255D1 Color
#4255D1 is rgb(66, 85, 209) in RGB, hsl(232, 61%, 54%) in HSL, and about cmyk(68%, 59%, 0%, 18%) in CMYK. It has no registered color name of its own — the closest is New Car (#214FC6), clearly related but distinguishable side by side at ΔE 5.77. White text is the more readable choice on this background.
#4255D1rgb(66, 85, 209)hsl(232, 61%, 54%)hsv(232, 68%, 82%)cmyk(68%, 59%, 0%, 18%)oklch(51% 0.191 271.3)lab(40.56% 25.11 -67.68)lch(40.56% 72.18 290.36)What #4255D1 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 #4255D1, 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.
#4255D1 Channel Values
How #4255D1 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 66 · G 85 · B 209 | 8-bit channels as sent to the display |
| HSL | H 232° · S 61% · L 54% | Easiest model for building lighter and darker variants |
| HSV | H 232° · S 68% · V 82% | Matches the picker in most design tools |
| CMYK | C 68% · M 59% · Y 0% · K 18% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 6.08:1 vs white · 3.45:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #4255D1 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 #4255D1 in the contrast checker.
Colors That Go With #4255D1
Pairings derived from color-wheel relationships. The complementary color sits opposite #4255D1; 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 #4255D1
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 #4255D1.
How #4255D1 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.
#4255D1#5252D1#4C53D1#4F4FD1#4A52D1#006F6F#1E66A0#626262Using #4255D1 in Code
Copy-ready declarations for the places this color usually ends up.
--color-4255d1: #4255D1;background-color: #4255D1;colors: { 'color-4255d1': '#4255D1' }Color(red: 0.259, green: 0.333, blue: 0.820)<color name="color_4255d1">#4255D1</color>fill="#4255D1"More Blue Colors
#4255D1 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#4255D1 Frequently Asked Questions
What color is #4255D1?
#4255D1 is a mid-tone blue — rgb(66, 85, 209) in RGB and hsl(232, 61%, 54%) in HSL. It carries no registered color name of its own; the closest named color is New Car (#214FC6), which is clearly related but distinguishable side by side at a CIE76 distance of 5.77.
What is the RGB value of #4255D1?
#4255D1 is rgb(66, 85, 209) — red 66, green 85, and blue 209 on the 0-255 scale.
What is the CMYK value of #4255D1?
#4255D1 converts to approximately cmyk(68%, 59%, 0%, 18%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #4255D1 be black or white?
White text is the more readable choice. #4255D1 scores 6.08:1 against white and 3.45:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #4255D1 as a CSS color keyword?
No. #4255D1 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 9.68, which is clearly related but distinguishable side by side.
Open #4255D1 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.