Palettes / Colors / #409BFB
#409BFB — Vivid Blue
#409BFB 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 #409BFB 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.
#409BFB 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 | #409BFB |
|---|---|
| RGB | 64, 155, 251 |
| HSL | 211°, 96%, 62% |
| HSV | 211°, 75%, 98% |
| CMYK | 75%, 38%, 0%, 2% |
| XYZ | 31.25, 31.50, 95.70 |
| Yxy | 31.50, 0.1972, 0.1988 |
| CIE-Lab | 62.93, 4.89, -55.50 |
| Hunter Lab | 56.12, 4.23, -67.36 |
RGB & CMYK percentages
Red 25% · Green 61% · Blue 98%
Cyan 75% · 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 #409BFB
.text { color: #409BFB; }
.background { background-color: #409BFB; }
.border { border: 3px solid #409BFB; }
.text-rgb { color: rgb(64, 155, 251); }
.text-hsl { color: hsl(211, 96%, 62%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #409BFB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(64, 155, 251, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #409BFB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(64, 155, 251, 0.8); }
HTML: <p style="color:#409BFB">Text here</p> · <div style="background-color:#409BFB">Div content here</div>
Shades of #409BFB
Tints of #409BFB
Tones of #409BFB
Color harmonies
Complementary — #FBA141:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 2.88:1 Fails |
|---|---|
| Against black text | 7.30:1 AAA |
Best text color on #409BFB: #000000.
Semi-transparent (opacity) text on #409BFB
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 #409BFB: ·
How #409BFB 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 #409BFB 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 #409BFB?
#409BFB is Vivid Blue, a blue color (RGB 64, 155, 251). Its closest standard named color is DodgerBlue.
What is the RGB and HSL of #409BFB?
#409BFB is RGB 64, 155, 251 — HSL 211°, 96%, 62% — CMYK 75%, 38%, 0%, 2%.
What colors go with #409BFB?
Its complement is #FBA141; analogous partners are #41F8FB and #4441FB. It also appears in 6+ palettes in our collection.
Can I use #409BFB for text?
Black text on #409BFB has a contrast ratio of 7.30:1 (passes WCAG AA); white text gives 2.88:1.