Palettes / Colors / #00A4DB
#00A4DB — Vivid Blue
#00A4DB is a blue color we call Vivid Blue, closest to the named color DarkTurquoise (#00CED1). It belongs to the blue family.
#00A4DB 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 #DB3700; it also sits naturally between #00DBA4 and #0037DB. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #00A4DB |
|---|---|
| RGB | 0, 164, 219 |
| HSL | 195°, 100%, 43% |
| HSV | 195°, 100%, 86% |
| CMYK | 100%, 25%, 0%, 14% |
| XYZ | 26.06, 31.67, 71.76 |
| Yxy | 31.67, 0.2013, 0.2446 |
| CIE-Lab | 63.07, -15.97, -37.73 |
| Hunter Lab | 56.27, -13.00, -40.79 |
RGB & CMYK percentages
Red 0% · Green 64% · Blue 86%
Cyan 100% · Magenta 25% · Yellow 0% · Key 14%
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 #00A4DB
.text { color: #00A4DB; }
.background { background-color: #00A4DB; }
.border { border: 3px solid #00A4DB; }
.text-rgb { color: rgb(0, 164, 219); }
.text-hsl { color: hsl(195, 100%, 43%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #00A4DB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(0, 164, 219, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #00A4DB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(0, 164, 219, 0.8); }
HTML: <p style="color:#00A4DB">Text here</p> · <div style="background-color:#00A4DB">Div content here</div>
Shades of #00A4DB
Tints of #00A4DB
Tones of #00A4DB
Color harmonies
Complementary — #DB3700:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 2.86:1 Fails |
|---|---|
| Against black text | 7.33:1 AAA |
Best text color on #00A4DB: #000000.
How #00A4DB 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 #00A4DB 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 #00A4DB?
#00A4DB is Vivid Blue, a blue color (RGB 0, 164, 219). Its closest standard named color is DarkTurquoise.
What is the RGB and HSL of #00A4DB?
#00A4DB is RGB 0, 164, 219 — HSL 195°, 100%, 43% — CMYK 100%, 25%, 0%, 14%.
What colors go with #00A4DB?
Its complement is #DB3700; analogous partners are #00DBA4 and #0037DB. It also appears in 6+ palettes in our collection.
Can I use #00A4DB for text?
Black text on #00A4DB has a contrast ratio of 7.33:1 (passes WCAG AA); white text gives 2.86:1.