Palettes / Colors / #429BFB
#429BFB — Vivid Blue
#429BFB is a blue color we call Vivid Blue, closest to the named color CornflowerBlue (#6495ED). It belongs to the blue family.
Color name
Closest CSS keyword: cornflowerblue (#6495ED) — not an exact match. CSS cornflowerblue gives you #6495ED, a different color; use #429BFB 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.
#429BFB 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 #FBA141; it also sits naturally between #41F8FB and #4441FB. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #429BFB |
|---|---|
| RGB | 66, 155, 251 |
| HSL | 211°, 96%, 62% |
| HSV | 211°, 74%, 98% |
| CMYK | 74%, 38%, 0%, 2% |
| XYZ | 31.38, 31.57, 95.71 |
| Yxy | 31.57, 0.1978, 0.1990 |
| CIE-Lab | 62.98, 5.13, -55.41 |
| Hunter Lab | 56.18, 4.45, -67.22 |
RGB & CMYK percentages
Red 26% · Green 61% · Blue 98%
Cyan 74% · Magenta 38% · 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 #429BFB
.text { color: #429BFB; }
.background { background-color: #429BFB; }
.border { border: 3px solid #429BFB; }
.text-rgb { color: rgb(66, 155, 251); }
.text-hsl { color: hsl(211, 96%, 62%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #429BFB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(66, 155, 251, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #429BFB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(66, 155, 251, 0.8); }
HTML: <p style="color:#429BFB">Text here</p> · <div style="background-color:#429BFB">Div content here</div>
Shades of #429BFB
Tints of #429BFB
Tones of #429BFB
Color harmonies
Complementary — #FBA141:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 2.87:1 Fails |
|---|---|
| Against black text | 7.31:1 AAA |
Best text color on #429BFB: #000000.
Semi-transparent (opacity) text on #429BFB
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 #429BFB: ·
How #429BFB 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 #429BFB 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 #429BFB?
#429BFB is Vivid Blue, a blue color (RGB 66, 155, 251). Its closest standard named color is CornflowerBlue.
What is the RGB and HSL of #429BFB?
#429BFB is RGB 66, 155, 251 — HSL 211°, 96%, 62% — CMYK 74%, 38%, 0%, 2%.
What colors go with #429BFB?
Its complement is #FBA141; analogous partners are #41F8FB and #4441FB. It also appears in 6+ palettes in our collection.
Can I use #429BFB for text?
Black text on #429BFB has a contrast ratio of 7.31:1 (passes WCAG AA); white text gives 2.87:1.