Palettes / Colors / #4E51DF
#4E51DF — Blue
#4E51DF is a blue color we call 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 #4E51DF 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.
#4E51DF 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 #DFDC4E; it also sits naturally between #4E99DF and #944EDF. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #4E51DF |
|---|---|
| RGB | 78, 81, 223 |
| HSL | 239°, 69%, 59% |
| HSV | 239°, 65%, 87% |
| CMYK | 65%, 64%, 0%, 13% |
| XYZ | 19.40, 12.83, 71.27 |
| Yxy | 12.83, 0.1875, 0.1240 |
| CIE-Lab | 42.51, 42.21, -72.77 |
| Hunter Lab | 35.82, 36.48, -98.47 |
RGB & CMYK percentages
Red 31% · Green 32% · Blue 87%
Cyan 65% · Magenta 64% · Yellow 0% · Key 13%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Lorem ipsum dolor sit amet, consectetur adipiscing elit.
CSS code for #4E51DF
.text { color: #4E51DF; }
.background { background-color: #4E51DF; }
.border { border: 3px solid #4E51DF; }
.text-rgb { color: rgb(78, 81, 223); }
.text-hsl { color: hsl(239, 69%, 59%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #4E51DF; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(78, 81, 223, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #4E51DF; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(78, 81, 223, 0.8); }
HTML: <p style="color:#4E51DF">Text here</p> · <div style="background-color:#4E51DF">Div content here</div>
Shades of #4E51DF
Tints of #4E51DF
Tones of #4E51DF
Color harmonies
Complementary — #DFDC4E:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 5.89:1 AA |
|---|---|
| Against black text | 3.57:1 AA large only |
Best text color on #4E51DF: #FFFFFF.
Semi-transparent (opacity) text on #4E51DF
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 #4E51DF: ·
How #4E51DF 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 #4E51DF 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 #4E51DF?
#4E51DF is Blue, a blue color (RGB 78, 81, 223). Its closest standard named color is RoyalBlue.
What is the RGB and HSL of #4E51DF?
#4E51DF is RGB 78, 81, 223 — HSL 239°, 69%, 59% — CMYK 65%, 64%, 0%, 13%.
What colors go with #4E51DF?
Its complement is #DFDC4E; analogous partners are #4E99DF and #944EDF. It also appears in 6+ palettes in our collection.
Can I use #4E51DF for text?
White text on #4E51DF has a contrast ratio of 5.89:1 (passes WCAG AA); black text gives 3.57:1.