Palettes / Colors / #019FEF

#019FEF — Vivid Blue

#019FEF is a blue color we call Vivid Blue, closest to the named color DeepSkyBlue (#00BFFF). It belongs to the blue family.

Color name

Closest CSS keyword: deepskyblue (#00BFFF) — not an exact match. CSS deepskyblue gives you #00BFFF, a different color; use #019FEF 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.

#019FEF 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 #EF5001; it also sits naturally between #01EFC7 and #0129EF. 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 0% · Green 62% · Blue 94%

Cyan 100% · Magenta 33% · Yellow 0% · Key 6%

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

Previews

CSS code for #019FEF

.text { color: #019FEF; }
.background { background-color: #019FEF; }
.border { border: 3px solid #019FEF; }
.text-rgb { color: rgb(1, 159, 239); }
.text-hsl { color: hsl(200, 99%, 47%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #019FEF; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(1, 159, 239, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #019FEF; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(1, 159, 239, 0.8); }

HTML: <p style="color:#019FEF">Text here</p> · <div style="background-color:#019FEF">Div content here</div>

Shades of #019FEF

Tints of #019FEF

Tones of #019FEF

Color harmonies

Complementary — #EF5001:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #019FEF: #000000.

Semi-transparent (opacity) text on #019FEF

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 #019FEF 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 #019FEF 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

← #019FEE  ·  #019FF0 →

Frequently asked questions

What color is #019FEF?

#019FEF is Vivid Blue, a blue color (RGB 1, 159, 239). Its closest standard named color is DeepSkyBlue.

What is the RGB and HSL of #019FEF?

#019FEF is RGB 1, 159, 239 — HSL 200°, 99%, 47% — CMYK 100%, 33%, 0%, 6%.

What colors go with #019FEF?

Its complement is #EF5001; analogous partners are #01EFC7 and #0129EF. It also appears in 6+ palettes in our collection.

Can I use #019FEF for text?

Black text on #019FEF has a contrast ratio of 7.21:1 (passes WCAG AA); white text gives 2.91:1.