Palettes / Colors / #231CCF

#231CCF — Blue

#231CCF is a blue color we call Blue, closest to the named color Blue (#0000FF). It belongs to the blue family.

#231CCF 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 #C9CE1C; it also sits naturally between #1C6FCE and #7B1CCE. 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 11% · Blue 81%

Cyan 83% · Magenta 86% · Yellow 0% · Key 19%

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

Previews

CSS code for #231CCF

.text { color: #231CCF; }
.background { background-color: #231CCF; }
.border { border: 3px solid #231CCF; }
.text-rgb { color: rgb(35, 28, 207); }
.text-hsl { color: hsl(242, 76%, 46%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #231CCF; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(35, 28, 207, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #231CCF; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(35, 28, 207, 0.8); }

HTML: <p style="color:#231CCF">Text here</p> · <div style="background-color:#231CCF">Div content here</div>

Shades of #231CCF

Tints of #231CCF

Tones of #231CCF

Color harmonies

Complementary — #C9CE1C:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #231CCF: #FFFFFF.

How #231CCF 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 #231CCF 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

← #231CCE  ·  #231CD0 →

Frequently asked questions

What color is #231CCF?

#231CCF is Blue, a blue color (RGB 35, 28, 207). Its closest standard named color is Blue.

What is the RGB and HSL of #231CCF?

#231CCF is RGB 35, 28, 207 — HSL 242°, 76%, 46% — CMYK 83%, 86%, 0%, 19%.

What colors go with #231CCF?

Its complement is #C9CE1C; analogous partners are #1C6FCE and #7B1CCE. It also appears in 6+ palettes in our collection.

Can I use #231CCF for text?

White text on #231CCF has a contrast ratio of 9.82:1 (passes WCAG AA); black text gives 2.14:1.