Palettes / Colors / #2A4EEF
#2A4EEF — Vivid Blue
#2A4EEF 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 #2A4EEF 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.
#2A4EEF 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 #EFCB2A; it also sits naturally between #2AB0EF and #682AEF. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #2A4EEF |
|---|---|
| RGB | 42, 78, 239 |
| HSL | 229°, 86%, 55% |
| HSV | 229°, 82%, 94% |
| CMYK | 82%, 67%, 0%, 6% |
| XYZ | 19.26, 12.17, 83.00 |
| Yxy | 12.17, 0.1683, 0.1064 |
| CIE-Lab | 41.49, 45.88, -83.58 |
| Hunter Lab | 34.89, 39.96, -123.07 |
RGB & CMYK percentages
Red 16% · Green 31% · Blue 94%
Cyan 82% · Magenta 67% · Yellow 0% · Key 6%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
Lorem ipsum dolor sit amet, consectetur adipiscing elit.
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CSS code for #2A4EEF
.text { color: #2A4EEF; }
.background { background-color: #2A4EEF; }
.border { border: 3px solid #2A4EEF; }
.text-rgb { color: rgb(42, 78, 239); }
.text-hsl { color: hsl(229, 86%, 55%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #2A4EEF; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(42, 78, 239, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #2A4EEF; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(42, 78, 239, 0.8); }
HTML: <p style="color:#2A4EEF">Text here</p> · <div style="background-color:#2A4EEF">Div content here</div>
Shades of #2A4EEF
Tints of #2A4EEF
Tones of #2A4EEF
Color harmonies
Complementary — #EFCB2A:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 6.11:1 AA |
|---|---|
| Against black text | 3.43:1 AA large only |
Best text color on #2A4EEF: #FFFFFF.
Semi-transparent (opacity) text on #2A4EEF
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 #2A4EEF: ·
How #2A4EEF 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 #2A4EEF 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 #2A4EEF?
#2A4EEF is Vivid Blue, a blue color (RGB 42, 78, 239). Its closest standard named color is RoyalBlue.
What is the RGB and HSL of #2A4EEF?
#2A4EEF is RGB 42, 78, 239 — HSL 229°, 86%, 55% — CMYK 82%, 67%, 0%, 6%.
What colors go with #2A4EEF?
Its complement is #EFCB2A; analogous partners are #2AB0EF and #682AEF. It also appears in 6+ palettes in our collection.
Can I use #2A4EEF for text?
White text on #2A4EEF has a contrast ratio of 6.11:1 (passes WCAG AA); black text gives 3.43:1.