Palettes / Colors / #166BFD
#166BFD — Vivid Blue
#166BFD 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 #166BFD 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.
#166BFD 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 #FDA817; it also sits naturally between #17DEFD and #3517FD. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #166BFD |
|---|---|
| RGB | 22, 107, 253 |
| HSL | 218°, 98%, 54% |
| HSV | 218°, 91%, 99% |
| CMYK | 91%, 58%, 0%, 1% |
| XYZ | 23.32, 17.78, 95.13 |
| Yxy | 17.78, 0.1712, 0.1305 |
| CIE-Lab | 49.23, 31.86, -78.74 |
| Hunter Lab | 42.16, 27.61, -110.65 |
RGB & CMYK percentages
Red 9% · Green 42% · Blue 99%
Cyan 91% · Magenta 58% · Yellow 0% · Key 1%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Lorem ipsum dolor sit amet, consectetur adipiscing elit.
CSS code for #166BFD
.text { color: #166BFD; }
.background { background-color: #166BFD; }
.border { border: 3px solid #166BFD; }
.text-rgb { color: rgb(22, 107, 253); }
.text-hsl { color: hsl(218, 98%, 54%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #166BFD; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(22, 107, 253, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #166BFD; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(22, 107, 253, 0.8); }
HTML: <p style="color:#166BFD">Text here</p> · <div style="background-color:#166BFD">Div content here</div>
Shades of #166BFD
Tints of #166BFD
Tones of #166BFD
Color harmonies
Complementary — #FDA817:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 4.61:1 AA |
|---|---|
| Against black text | 4.56:1 AA |
Best text color on #166BFD: #FFFFFF.
Semi-transparent (opacity) text on #166BFD
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 #166BFD: ·
How #166BFD 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 #166BFD 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 #166BFD?
#166BFD is Vivid Blue, a blue color (RGB 22, 107, 253). Its closest standard named color is DodgerBlue.
What is the RGB and HSL of #166BFD?
#166BFD is RGB 22, 107, 253 — HSL 218°, 98%, 54% — CMYK 91%, 58%, 0%, 1%.
What colors go with #166BFD?
Its complement is #FDA817; analogous partners are #17DEFD and #3517FD. It also appears in 6+ palettes in our collection.
Can I use #166BFD for text?
White text on #166BFD has a contrast ratio of 4.61:1 (passes WCAG AA); black text gives 4.56:1.