Palettes / Colors / #148BB3

#148BB3 — Vivid Blue

#148BB3 is a blue color we call Vivid Blue, closest to the named color LightSeaGreen (#20B2AA). It belongs to the blue family.

Color name

Closest CSS keyword: lightseagreen (#20B2AA) — not an exact match. CSS lightseagreen gives you #20B2AA, a different color; use #148BB3 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.

#148BB3 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 #B33C14; it also sits naturally between #14B38B and #143CB3. In the palettes below you can see it working alongside real color combinations from our collection.

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Color values

RGB & CMYK percentages

Red 8% · Green 55% · Blue 70%

Cyan 89% · Magenta 22% · Yellow 0% · Key 30%

CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.

Previews

CSS code for #148BB3

.text { color: #148BB3; }
.background { background-color: #148BB3; }
.border { border: 3px solid #148BB3; }
.text-rgb { color: rgb(20, 139, 179); }
.text-hsl { color: hsl(195, 80%, 39%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #148BB3; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(20, 139, 179, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #148BB3; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(20, 139, 179, 0.8); }

HTML: <p style="color:#148BB3">Text here</p> · <div style="background-color:#148BB3">Div content here</div>

Shades of #148BB3

Tints of #148BB3

Tones of #148BB3

Color harmonies

Complementary — #B33C14:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #148BB3: #000000.

Semi-transparent (opacity) text on #148BB3

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:

How #148BB3 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 #148BB3 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

← #148BB2  ·  #148BB4 →

Frequently asked questions

What color is #148BB3?

#148BB3 is Vivid Blue, a blue color (RGB 20, 139, 179). Its closest standard named color is LightSeaGreen.

What is the RGB and HSL of #148BB3?

#148BB3 is RGB 20, 139, 179 — HSL 195°, 80%, 39% — CMYK 89%, 22%, 0%, 30%.

What colors go with #148BB3?

Its complement is #B33C14; analogous partners are #14B38B and #143CB3. It also appears in 6+ palettes in our collection.

Can I use #148BB3 for text?

Black text on #148BB3 has a contrast ratio of 5.37:1 (passes WCAG AA); white text gives 3.91:1.