Palettes / Colors / #239DCB

#239DCB — Blue

#239DCB is a blue color we call 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 #239DCB 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.

#239DCB 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 #CD5023; it also sits naturally between #23CDA5 and #234ACD. 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 14% · Green 62% · Blue 80%

Cyan 83% · Magenta 23% · Yellow 0% · Key 20%

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

Previews

CSS code for #239DCB

.text { color: #239DCB; }
.background { background-color: #239DCB; }
.border { border: 3px solid #239DCB; }
.text-rgb { color: rgb(35, 157, 203); }
.text-hsl { color: hsl(196, 71%, 47%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #239DCB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(35, 157, 203, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #239DCB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(35, 157, 203, 0.8); }

HTML: <p style="color:#239DCB">Text here</p> · <div style="background-color:#239DCB">Div content here</div>

Shades of #239DCB

Tints of #239DCB

Tones of #239DCB

Color harmonies

Complementary — #CD5023:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #239DCB: #000000.

Semi-transparent (opacity) text on #239DCB

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 #239DCB 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 #239DCB 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

← #239DCA  ·  #239DCC →

Frequently asked questions

What color is #239DCB?

#239DCB is Blue, a blue color (RGB 35, 157, 203). Its closest standard named color is LightSeaGreen.

What is the RGB and HSL of #239DCB?

#239DCB is RGB 35, 157, 203 — HSL 196°, 71%, 47% — CMYK 83%, 23%, 0%, 20%.

What colors go with #239DCB?

Its complement is #CD5023; analogous partners are #23CDA5 and #234ACD. It also appears in 6+ palettes in our collection.

Can I use #239DCB for text?

Black text on #239DCB has a contrast ratio of 6.76:1 (passes WCAG AA); white text gives 3.11:1.