Palettes / Colors / #4E66DF
#4E66DF — Blue
#4E66DF 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 #4E66DF 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.
#4E66DF 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 #DFC74E; it also sits naturally between #4EAEDF and #7E4EDF. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #4E66DF |
|---|---|
| RGB | 78, 102, 223 |
| HSL | 230°, 69%, 59% |
| HSV | 230°, 65%, 87% |
| CMYK | 65%, 54%, 0%, 13% |
| XYZ | 21.21, 16.45, 71.87 |
| Yxy | 16.45, 0.1937, 0.1502 |
| CIE-Lab | 47.56, 29.32, -64.55 |
| Hunter Lab | 40.56, 24.94, -81.91 |
RGB & CMYK percentages
Red 31% · Green 40% · Blue 87%
Cyan 65% · Magenta 54% · 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 #4E66DF
.text { color: #4E66DF; }
.background { background-color: #4E66DF; }
.border { border: 3px solid #4E66DF; }
.text-rgb { color: rgb(78, 102, 223); }
.text-hsl { color: hsl(230, 69%, 59%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #4E66DF; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(78, 102, 223, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #4E66DF; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(78, 102, 223, 0.8); }
HTML: <p style="color:#4E66DF">Text here</p> · <div style="background-color:#4E66DF">Div content here</div>
Shades of #4E66DF
Tints of #4E66DF
Tones of #4E66DF
Color harmonies
Complementary — #DFC74E:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 4.90:1 AA |
|---|---|
| Against black text | 4.29:1 AA large only |
Best text color on #4E66DF: #FFFFFF.
Semi-transparent (opacity) text on #4E66DF
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 #4E66DF: ·
How #4E66DF 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 #4E66DF 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 #4E66DF?
#4E66DF is Blue, a blue color (RGB 78, 102, 223). Its closest standard named color is RoyalBlue.
What is the RGB and HSL of #4E66DF?
#4E66DF is RGB 78, 102, 223 — HSL 230°, 69%, 59% — CMYK 65%, 54%, 0%, 13%.
What colors go with #4E66DF?
Its complement is #DFC74E; analogous partners are #4EAEDF and #7E4EDF. It also appears in 6+ palettes in our collection.
Can I use #4E66DF for text?
White text on #4E66DF has a contrast ratio of 4.90:1 (passes WCAG AA); black text gives 4.29:1.