Palettes / Colors / #91C9EF

#91C9EF — Light Blue

#91C9EF is a blue color we call Light Blue, closest to the named color SkyBlue (#87CEEB). It belongs to the blue family.

Color name

Closest CSS keyword: skyblue (#87CEEB) — not an exact match. CSS skyblue gives you #87CEEB, a different color; use #91C9EF 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.

#91C9EF 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 #EFB68F; it also sits naturally between #8FEFE5 and #8F99EF. 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 57% · Green 79% · Blue 94%

Cyan 39% · Magenta 16% · Yellow 0% · Key 6%

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

Previews

CSS code for #91C9EF

.text { color: #91C9EF; }
.background { background-color: #91C9EF; }
.border { border: 3px solid #91C9EF; }
.text-rgb { color: rgb(145, 201, 239); }
.text-hsl { color: hsl(204, 75%, 75%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #91C9EF; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(145, 201, 239, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #91C9EF; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(145, 201, 239, 0.8); }

HTML: <p style="color:#91C9EF">Text here</p> · <div style="background-color:#91C9EF">Div content here</div>

Shades of #91C9EF

Tints of #91C9EF

Tones of #91C9EF

Color harmonies

Complementary — #EFB68F:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #91C9EF: #000000.

Semi-transparent (opacity) text on #91C9EF

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 #91C9EF 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 #91C9EF 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

← #91C9EE  ·  #91C9F0 →

Frequently asked questions

What color is #91C9EF?

#91C9EF is Light Blue, a blue color (RGB 145, 201, 239). Its closest standard named color is SkyBlue.

What is the RGB and HSL of #91C9EF?

#91C9EF is RGB 145, 201, 239 — HSL 204°, 75%, 75% — CMYK 39%, 16%, 0%, 6%.

What colors go with #91C9EF?

Its complement is #EFB68F; analogous partners are #8FEFE5 and #8F99EF. It also appears in 6+ palettes in our collection.

Can I use #91C9EF for text?

Black text on #91C9EF has a contrast ratio of 11.81:1 (passes WCAG AA); white text gives 1.78:1.