#0445D2 Color
#0445D2 is rgb(4, 69, 210) in RGB, hsl(221, 96%, 42%) in HSL, and about cmyk(98%, 67%, 0%, 18%) in CMYK. It has no registered color name of its own — the closest is Persian Blue (#1C39BB), clearly related but distinguishable side by side at ΔE 7.61. White text is the more readable choice on this background.
#0445D2rgb(4, 69, 210)hsl(221, 96%, 42%)hsv(221, 98%, 82%)cmyk(98%, 67%, 0%, 18%)oklch(46.2% 0.223 262.9)lab(34.40% 29.36 -78.43)lch(34.40% 83.75 290.52)What #0445D2 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 #0445D2, 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.
#0445D2 Channel Values
How #0445D2 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 4 · G 69 · B 210 | 8-bit channels as sent to the display |
| HSL | H 221° · S 96% · L 42% | Easiest model for building lighter and darker variants |
| HSV | H 221° · S 98% · V 82% | Matches the picker in most design tools |
| CMYK | C 98% · M 67% · Y 0% · K 18% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.53:1 vs white · 2.79:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #0445D2 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 #0445D2 in the contrast checker.
Colors That Go With #0445D2
Pairings derived from color-wheel relationships. The complementary color sits opposite #0445D2; 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 #0445D2
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 #0445D2.
How #0445D2 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.
#0445D2#3F3FD2#3141D2#3939D2#2B3ED2#006666#005B9D#545454Using #0445D2 in Code
Copy-ready declarations for the places this color usually ends up.
--color-0445d2: #0445D2;background-color: #0445D2;colors: { 'color-0445d2': '#0445D2' }Color(red: 0.016, green: 0.271, blue: 0.824)<color name="color_0445d2">#0445D2</color>fill="#0445D2"More Blue Colors
#0445D2 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#0445D2 Frequently Asked Questions
What color is #0445D2?
#0445D2 is a mid-tone blue — rgb(4, 69, 210) in RGB and hsl(221, 96%, 42%) in HSL. It carries no registered color name of its own; the closest named color is Persian Blue (#1C39BB), which is clearly related but distinguishable side by side at a CIE76 distance of 7.61.
What is the RGB value of #0445D2?
#0445D2 is rgb(4, 69, 210) — red 4, green 69, and blue 210 on the 0-255 scale.
What is the CMYK value of #0445D2?
#0445D2 converts to approximately cmyk(98%, 67%, 0%, 18%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #0445D2 be black or white?
White text is the more readable choice. #0445D2 scores 7.53:1 against white and 2.79:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #0445D2 as a CSS color keyword?
No. #0445D2 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 20.65, which is visibly different.
Open #0445D2 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.