Palettes / Colors / #3FAEFB
#3FAEFB — Vivid Blue
#3FAEFB is a blue color we call Vivid Blue, closest to the named color DodgerBlue (#1E90FF). It belongs to the blue family.
Color name
Closest CSS keyword: dodgerblue (#1E90FF) — not an exact match. CSS dodgerblue gives you #1E90FF, a different color; use #3FAEFB 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.
#3FAEFB 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 #FB8F41; it also sits naturally between #41FBEC and #4151FB. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #3FAEFB |
|---|---|
| RGB | 63, 174, 251 |
| HSL | 205°, 96%, 62% |
| HSV | 205°, 75%, 98% |
| CMYK | 75%, 31%, 0%, 2% |
| XYZ | 34.60, 38.29, 96.83 |
| Yxy | 38.29, 0.2038, 0.2256 |
| CIE-Lab | 68.24, -6.08, -47.10 |
| Hunter Lab | 61.88, -5.27, -54.86 |
RGB & CMYK percentages
Red 25% · Green 68% · Blue 98%
Cyan 75% · Magenta 31% · 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 #3FAEFB
.text { color: #3FAEFB; }
.background { background-color: #3FAEFB; }
.border { border: 3px solid #3FAEFB; }
.text-rgb { color: rgb(63, 174, 251); }
.text-hsl { color: hsl(205, 96%, 62%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #3FAEFB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(63, 174, 251, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #3FAEFB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(63, 174, 251, 0.8); }
HTML: <p style="color:#3FAEFB">Text here</p> · <div style="background-color:#3FAEFB">Div content here</div>
Shades of #3FAEFB
Tints of #3FAEFB
Tones of #3FAEFB
Color harmonies
Complementary — #FB8F41:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 2.43:1 Fails |
|---|---|
| Against black text | 8.66:1 AAA |
Best text color on #3FAEFB: #000000.
Semi-transparent (opacity) text on #3FAEFB
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 #3FAEFB: ·
How #3FAEFB 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 #3FAEFB 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 #3FAEFB?
#3FAEFB is Vivid Blue, a blue color (RGB 63, 174, 251). Its closest standard named color is DodgerBlue.
What is the RGB and HSL of #3FAEFB?
#3FAEFB is RGB 63, 174, 251 — HSL 205°, 96%, 62% — CMYK 75%, 31%, 0%, 2%.
What colors go with #3FAEFB?
Its complement is #FB8F41; analogous partners are #41FBEC and #4151FB. It also appears in 6+ palettes in our collection.
Can I use #3FAEFB for text?
Black text on #3FAEFB has a contrast ratio of 8.66:1 (passes WCAG AA); white text gives 2.43:1.