Palettes / Colors / #166BF2
#166BF2 — Vivid Blue
#166BF2 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 #166BF2 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.
#166BF2 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 #F29E18; it also sits naturally between #18D8F2 and #3118F2. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #166BF2 |
|---|---|
| RGB | 22, 107, 242 |
| HSL | 217°, 89%, 52% |
| HSV | 217°, 91%, 95% |
| CMYK | 91%, 56%, 0%, 5% |
| XYZ | 21.62, 17.10, 86.17 |
| Yxy | 17.10, 0.1731, 0.1369 |
| CIE-Lab | 48.38, 27.69, -73.99 |
| Hunter Lab | 41.35, 23.53, -100.58 |
RGB & CMYK percentages
Red 9% · Green 42% · Blue 95%
Cyan 91% · Magenta 56% · Yellow 0% · Key 5%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
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CSS code for #166BF2
.text { color: #166BF2; }
.background { background-color: #166BF2; }
.border { border: 3px solid #166BF2; }
.text-rgb { color: rgb(22, 107, 242); }
.text-hsl { color: hsl(217, 89%, 52%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #166BF2; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(22, 107, 242, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #166BF2; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(22, 107, 242, 0.8); }
HTML: <p style="color:#166BF2">Text here</p> · <div style="background-color:#166BF2">Div content here</div>
Shades of #166BF2
Tints of #166BF2
Tones of #166BF2
Color harmonies
Complementary — #F29E18:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 4.75:1 AA |
|---|---|
| Against black text | 4.42:1 AA large only |
Best text color on #166BF2: #FFFFFF.
Semi-transparent (opacity) text on #166BF2
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 #166BF2: ·
How #166BF2 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 #166BF2 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 #166BF2?
#166BF2 is Vivid Blue, a blue color (RGB 22, 107, 242). Its closest standard named color is DodgerBlue.
What is the RGB and HSL of #166BF2?
#166BF2 is RGB 22, 107, 242 — HSL 217°, 89%, 52% — CMYK 91%, 56%, 0%, 5%.
What colors go with #166BF2?
Its complement is #F29E18; analogous partners are #18D8F2 and #3118F2. It also appears in 6+ palettes in our collection.
Can I use #166BF2 for text?
White text on #166BF2 has a contrast ratio of 4.75:1 (passes WCAG AA); black text gives 4.42:1.