Palettes / Colors / #018ECB

#018ECB — Vivid Blue

#018ECB 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 #018ECB 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.

#018ECB 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 #CB3E01; it also sits naturally between #01CBA3 and #0129CB. In the palettes below you can see it working alongside real color combinations from our collection.

Copy HEX Copy RGB Copy HSL Download PNG swatch SVG

Color values

RGB & CMYK percentages

Red 0% · Green 56% · Blue 80%

Cyan 100% · Magenta 30% · Yellow 0% · Key 20%

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

Previews

CSS code for #018ECB

.text { color: #018ECB; }
.background { background-color: #018ECB; }
.border { border: 3px solid #018ECB; }
.text-rgb { color: rgb(1, 142, 203); }
.text-hsl { color: hsl(198, 99%, 40%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #018ECB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(1, 142, 203, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #018ECB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(1, 142, 203, 0.8); }

HTML: <p style="color:#018ECB">Text here</p> · <div style="background-color:#018ECB">Div content here</div>

Shades of #018ECB

Tints of #018ECB

Tones of #018ECB

Color harmonies

Complementary — #CB3E01:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #018ECB: #000000.

Semi-transparent (opacity) text on #018ECB

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 #018ECB 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 #018ECB 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

← #018ECA  ·  #018ECC →

Frequently asked questions

What color is #018ECB?

#018ECB is Vivid Blue, a blue color (RGB 1, 142, 203). Its closest standard named color is LightSeaGreen.

What is the RGB and HSL of #018ECB?

#018ECB is RGB 1, 142, 203 — HSL 198°, 99%, 40% — CMYK 100%, 30%, 0%, 20%.

What colors go with #018ECB?

Its complement is #CB3E01; analogous partners are #01CBA3 and #0129CB. It also appears in 6+ palettes in our collection.

Can I use #018ECB for text?

Black text on #018ECB has a contrast ratio of 5.73:1 (passes WCAG AA); white text gives 3.66:1.