Palettes / Colors / #5145FB
#5145FB — Vivid Blue
#5145FB 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 #5145FB 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.
#5145FB 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 #EFFB46; it also sits naturally between #4695FB and #AD46FB. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #5145FB |
|---|---|
| RGB | 81, 69, 251 |
| HSL | 244°, 96%, 63% |
| HSV | 244°, 73%, 98% |
| CMYK | 68%, 73%, 0%, 2% |
| XYZ | 22.93, 12.97, 92.56 |
| Yxy | 12.97, 0.1785, 0.1010 |
| CIE-Lab | 42.72, 58.18, -88.22 |
| Hunter Lab | 36.01, 53.40, -134.10 |
RGB & CMYK percentages
Red 32% · Green 27% · Blue 98%
Cyan 68% · Magenta 73% · Yellow 0% · Key 2%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
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CSS code for #5145FB
.text { color: #5145FB; }
.background { background-color: #5145FB; }
.border { border: 3px solid #5145FB; }
.text-rgb { color: rgb(81, 69, 251); }
.text-hsl { color: hsl(244, 96%, 63%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #5145FB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(81, 69, 251, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #5145FB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(81, 69, 251, 0.8); }
HTML: <p style="color:#5145FB">Text here</p> · <div style="background-color:#5145FB">Div content here</div>
Shades of #5145FB
Tints of #5145FB
Tones of #5145FB
Color harmonies
Complementary — #EFFB46:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 5.84:1 AA |
|---|---|
| Against black text | 3.59:1 AA large only |
Best text color on #5145FB: #FFFFFF.
Semi-transparent (opacity) text on #5145FB
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 #5145FB: ·
How #5145FB 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 #5145FB 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 #5145FB?
#5145FB is Vivid Blue, a blue color (RGB 81, 69, 251). Its closest standard named color is RoyalBlue.
What is the RGB and HSL of #5145FB?
#5145FB is RGB 81, 69, 251 — HSL 244°, 96%, 63% — CMYK 68%, 73%, 0%, 2%.
What colors go with #5145FB?
Its complement is #EFFB46; analogous partners are #4695FB and #AD46FB. It also appears in 6+ palettes in our collection.
Can I use #5145FB for text?
White text on #5145FB has a contrast ratio of 5.84:1 (passes WCAG AA); black text gives 3.59:1.