Palettes / Colors / #3333FC
#3333FC — Vivid Blue
#3333FC is a blue color we call Vivid Blue, closest to the named color RoyalBlue (#4169E1). It belongs to the blue family.
Color name
Closest CSS keyword: royalblue (#4169E1) — not an exact match. CSS royalblue gives you #4169E1, a different color; use #3333FC when you need this exact shade.
Sources: common names follow widely used color-name references; CSS keywords and their hex values follow the CSS Color specification.
#3333FC is a cool blue color associated with trust, calm and professionalism. It is saturated enough to be the accent — buttons, highlights and calls to action — while neutrals do the quiet work around it.
Its strongest partner is its complement #FCFC31; it also sits naturally between #3196FC and #9631FC. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #3333FC |
|---|---|
| RGB | 51, 51, 252 |
| HSL | 240°, 97%, 59% |
| HSV | 240°, 80%, 99% |
| CMYK | 80%, 80%, 0%, 1% |
| XYZ | 20.12, 10.10, 92.98 |
| Yxy | 10.10, 0.1633, 0.0820 |
| CIE-Lab | 38.02, 65.14, -96.61 |
| Hunter Lab | 31.78, 60.03, -158.84 |
RGB & CMYK percentages
Red 20% · Green 20% · Blue 99%
Cyan 80% · Magenta 80% · Yellow 0% · Key 1%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
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CSS code for #3333FC
.text { color: #3333FC; }
.background { background-color: #3333FC; }
.border { border: 3px solid #3333FC; }
.text-rgb { color: rgb(51, 51, 252); }
.text-hsl { color: hsl(240, 97%, 59%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #3333FC; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(51, 51, 252, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #3333FC; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(51, 51, 252, 0.8); }
HTML: <p style="color:#3333FC">Text here</p> · <div style="background-color:#3333FC">Div content here</div>
Shades of #3333FC
Tints of #3333FC
Tones of #3333FC
Color harmonies
Complementary — #FCFC31:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 6.95:1 AA |
|---|---|
| Against black text | 3.02:1 AA large only |
Best text color on #3333FC: #FFFFFF.
Semi-transparent (opacity) text on #3333FC
Text set with opacity blends into the background, so its real contrast is lower than the solid ratios above. Choose a text color and an opacity to see the blended color and its true ratio:
Smaller body text shows the effect best.
Blended color: · Contrast against #3333FC: ·
How #3333FC looks with color blindness
Simulated with standard Machado color-vision-deficiency matrices — useful when this color carries meaning in charts, maps or interfaces:
Closest design-system colors
The nearest matches in the Tailwind CSS, Material Design and Bootstrap palettes — handy when you need a framework class instead of a raw hex:
Palettes with a similar color
These palettes use a close neighbour of #3333FC rather than the exact color:
Similar colors
The closest colors that actually appear in our palette collection — click any to open its page:
Browse neighbouring colors
Frequently asked questions
What color is #3333FC?
#3333FC is Vivid Blue, a blue color (RGB 51, 51, 252). Its closest standard named color is RoyalBlue.
What is the RGB and HSL of #3333FC?
#3333FC is RGB 51, 51, 252 — HSL 240°, 97%, 59% — CMYK 80%, 80%, 0%, 1%.
What colors go with #3333FC?
Its complement is #FCFC31; analogous partners are #3196FC and #9631FC. It also appears in 6+ palettes in our collection.
Can I use #3333FC for text?
White text on #3333FC has a contrast ratio of 6.95:1 (passes WCAG AA); black text gives 3.02:1.