Palettes / Colors / #3FBDEE
#3FBDEE — Vivid Blue
#3FBDEE is a blue color we call Vivid Blue, closest to the named color MediumTurquoise (#48D1CC). It belongs to the blue family.
Color name
Closest CSS keyword: mediumturquoise (#48D1CC) — not an exact match. CSS mediumturquoise gives you #48D1CC, a different color; use #3FBDEE 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.
#3FBDEE 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 #EE703F; it also sits naturally between #3FEEC8 and #3F65EE. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #3FBDEE |
|---|---|
| RGB | 63, 189, 238 |
| HSL | 197°, 84%, 59% |
| HSV | 197°, 74%, 93% |
| CMYK | 74%, 21%, 0%, 7% |
| XYZ | 35.68, 43.63, 87.43 |
| Yxy | 43.63, 0.2140, 0.2616 |
| CIE-Lab | 71.98, -18.52, -34.21 |
| Hunter Lab | 66.05, -15.88, -37.22 |
RGB & CMYK percentages
Red 25% · Green 74% · Blue 93%
Cyan 74% · Magenta 21% · Yellow 0% · Key 7%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
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CSS code for #3FBDEE
.text { color: #3FBDEE; }
.background { background-color: #3FBDEE; }
.border { border: 3px solid #3FBDEE; }
.text-rgb { color: rgb(63, 189, 238); }
.text-hsl { color: hsl(197, 84%, 59%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #3FBDEE; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(63, 189, 238, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #3FBDEE; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(63, 189, 238, 0.8); }
HTML: <p style="color:#3FBDEE">Text here</p> · <div style="background-color:#3FBDEE">Div content here</div>
Shades of #3FBDEE
Tints of #3FBDEE
Tones of #3FBDEE
Color harmonies
Complementary — #EE703F:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 2.16:1 Fails |
|---|---|
| Against black text | 9.73:1 AAA |
Best text color on #3FBDEE: #000000.
Semi-transparent (opacity) text on #3FBDEE
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 #3FBDEE: ·
How #3FBDEE 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 #3FBDEE 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 #3FBDEE?
#3FBDEE is Vivid Blue, a blue color (RGB 63, 189, 238). Its closest standard named color is MediumTurquoise.
What is the RGB and HSL of #3FBDEE?
#3FBDEE is RGB 63, 189, 238 — HSL 197°, 84%, 59% — CMYK 74%, 21%, 0%, 7%.
What colors go with #3FBDEE?
Its complement is #EE703F; analogous partners are #3FEEC8 and #3F65EE. It also appears in 6+ palettes in our collection.
Can I use #3FBDEE for text?
Black text on #3FBDEE has a contrast ratio of 9.73:1 (passes WCAG AA); white text gives 2.16:1.