Palettes / Colors / #1591EF

#1591EF — Vivid Blue

#1591EF 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 #1591EF 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.

#1591EF 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 #EF7415; it also sits naturally between #15EFE0 and #1524EF. 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 57% · Blue 94%

Cyan 91% · Magenta 39% · Yellow 0% · Key 6%

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

Previews

CSS code for #1591EF

.text { color: #1591EF; }
.background { background-color: #1591EF; }
.border { border: 3px solid #1591EF; }
.text-rgb { color: rgb(21, 145, 239); }
.text-hsl { color: hsl(206, 87%, 51%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #1591EF; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(21, 145, 239, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #1591EF; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(21, 145, 239, 0.8); }

HTML: <p style="color:#1591EF">Text here</p> · <div style="background-color:#1591EF">Div content here</div>

Shades of #1591EF

Tints of #1591EF

Tones of #1591EF

Color harmonies

Complementary — #EF7415:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #1591EF: #000000.

Semi-transparent (opacity) text on #1591EF

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 #1591EF 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 #1591EF 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

← #1591EE  ·  #1591F0 →

Frequently asked questions

What color is #1591EF?

#1591EF is Vivid Blue, a blue color (RGB 21, 145, 239). Its closest standard named color is DodgerBlue.

What is the RGB and HSL of #1591EF?

#1591EF is RGB 21, 145, 239 — HSL 206°, 87%, 51% — CMYK 91%, 39%, 0%, 6%.

What colors go with #1591EF?

Its complement is #EF7415; analogous partners are #15EFE0 and #1524EF. It also appears in 6+ palettes in our collection.

Can I use #1591EF for text?

Black text on #1591EF has a contrast ratio of 6.33:1 (passes WCAG AA); white text gives 3.32:1.