#0335B5 Color
#0335B5 is rgb(3, 53, 181) in RGB, hsl(223, 97%, 36%) in HSL, and about cmyk(98%, 71%, 0%, 29%) in CMYK. It has no registered color name of its own — the closest is Persian Blue (#1C39BB), very hard to tell apart at ΔE 2.32. White text is the more readable choice on this background.
#0335B5rgb(3, 53, 181)hsl(223, 97%, 36%)hsv(223, 98%, 71%)cmyk(98%, 71%, 0%, 29%)oklch(40.4% 0.206 263.4)lab(27.77% 29.59 -72.39)lch(27.77% 78.21 292.23)What #0335B5 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 #0335B5, 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.
#0335B5 Channel Values
How #0335B5 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 3 · G 53 · B 181 | 8-bit channels as sent to the display |
| HSL | H 223° · S 97% · L 36% | Easiest model for building lighter and darker variants |
| HSV | H 223° · S 98% · V 71% | Matches the picker in most design tools |
| CMYK | C 98% · M 71% · Y 0% · K 29% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 9.63:1 vs white · 2.18:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #0335B5 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 #0335B5 in the contrast checker.
Colors That Go With #0335B5
Pairings derived from color-wheel relationships. The complementary color sits opposite #0335B5; 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 #0335B5
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 #0335B5.
How #0335B5 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.
#0335B5#3030B5#2532B5#2B2BB5#212FB5#005454#004A86#454545Using #0335B5 in Code
Copy-ready declarations for the places this color usually ends up.
--color-0335b5: #0335B5;background-color: #0335B5;colors: { 'color-0335b5': '#0335B5' }Color(red: 0.012, green: 0.208, blue: 0.710)<color name="color_0335b5">#0335B5</color>fill="#0335B5"More Blue Colors
#0335B5 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#0335B5 Frequently Asked Questions
What color is #0335B5?
#0335B5 is a dark blue — rgb(3, 53, 181) in RGB and hsl(223, 97%, 36%) in HSL. It carries no registered color name of its own; the closest named color is Persian Blue (#1C39BB), which is very hard to tell apart at a CIE76 distance of 2.32.
What is the RGB value of #0335B5?
#0335B5 is rgb(3, 53, 181) — red 3, green 53, and blue 181 on the 0-255 scale.
What is the CMYK value of #0335B5?
#0335B5 converts to approximately cmyk(98%, 71%, 0%, 29%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #0335B5 be black or white?
White text is the more readable choice. #0335B5 scores 9.63:1 against white and 2.18:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #0335B5 as a CSS color keyword?
No. #0335B5 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 darkblue (#00008B) at a CIE76 distance of 20.29, which is visibly different.
Open #0335B5 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.