#333DC1 Color
#333DC1 is rgb(51, 61, 193) in RGB, hsl(236, 58%, 48%) in HSL, and about cmyk(74%, 68%, 0%, 24%) in CMYK. It has no registered color name of its own — the closest is Persian Blue (#1C39BB), very hard to tell apart at ΔE 3.35. White text is the more readable choice on this background.
#333DC1rgb(51, 61, 193)hsl(236, 58%, 48%)hsv(236, 74%, 76%)cmyk(74%, 68%, 0%, 24%)oklch(44.6% 0.202 271.6)lab(32.51% 32.43 -71.59)lch(32.51% 78.59 294.37)What #333DC1 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 #333DC1, 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.
#333DC1 Channel Values
How #333DC1 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 51 · G 61 · B 193 | 8-bit channels as sent to the display |
| HSL | H 236° · S 58% · L 48% | Easiest model for building lighter and darker variants |
| HSV | H 236° · S 74% · V 76% | Matches the picker in most design tools |
| CMYK | C 74% · M 68% · Y 0% · K 24% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 8.14:1 vs white · 2.58:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #333DC1 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 #333DC1 in the contrast checker.
Colors That Go With #333DC1
Pairings derived from color-wheel relationships. The complementary color sits opposite #333DC1; 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 #333DC1
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 #333DC1.
How #333DC1 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.
#333DC1#3B3BC1#383CC1#3A3AC1#373BC1#005C5C#005290#4F4F4FUsing #333DC1 in Code
Copy-ready declarations for the places this color usually ends up.
--color-333dc1: #333DC1;background-color: #333DC1;colors: { 'color-333dc1': '#333DC1' }Color(red: 0.200, green: 0.239, blue: 0.757)<color name="color_333dc1">#333DC1</color>fill="#333DC1"More Blue Colors
#333DC1 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#333DC1 Frequently Asked Questions
What color is #333DC1?
#333DC1 is a mid-tone blue — rgb(51, 61, 193) in RGB and hsl(236, 58%, 48%) 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 3.35.
What is the RGB value of #333DC1?
#333DC1 is rgb(51, 61, 193) — red 51, green 61, and blue 193 on the 0-255 scale.
What is the CMYK value of #333DC1?
#333DC1 converts to approximately cmyk(74%, 68%, 0%, 24%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #333DC1 be black or white?
White text is the more readable choice. #333DC1 scores 8.14:1 against white and 2.58:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #333DC1 as a CSS color keyword?
No. #333DC1 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 slateblue (#6A5ACD) at a CIE76 distance of 17.86, which is visibly different.
Open #333DC1 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.