Palettes / Colors / #121ABE

#121ABE — Vivid Blue

#121ABE is a blue color we call Vivid Blue, closest to the named color DarkBlue (#00008B). It belongs to the blue family.

Color name

Closest CSS keyword: darkblue (#00008B) — not an exact match. CSS darkblue gives you #00008B, a different color; use #121ABE 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.

#121ABE 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 #BFB712; it also sits naturally between #1271BF and #6012BF. 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 7% · Green 10% · Blue 75%

Cyan 91% · Magenta 86% · Yellow 0% · Key 25%

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

Previews

CSS code for #121ABE

.text { color: #121ABE; }
.background { background-color: #121ABE; }
.border { border: 3px solid #121ABE; }
.text-rgb { color: rgb(18, 26, 190); }
.text-hsl { color: hsl(237, 83%, 41%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #121ABE; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(18, 26, 190, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #121ABE; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(18, 26, 190, 0.8); }

HTML: <p style="color:#121ABE">Text here</p> · <div style="background-color:#121ABE">Div content here</div>

Shades of #121ABE

Tints of #121ABE

Tones of #121ABE

Color harmonies

Complementary — #BFB712:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #121ABE: #FFFFFF.

Semi-transparent (opacity) text on #121ABE

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 #121ABE 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 #121ABE 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

← #121ABD  ·  #121ABF →

Frequently asked questions

What color is #121ABE?

#121ABE is Vivid Blue, a blue color (RGB 18, 26, 190). Its closest standard named color is DarkBlue.

What is the RGB and HSL of #121ABE?

#121ABE is RGB 18, 26, 190 — HSL 237°, 83%, 41% — CMYK 91%, 86%, 0%, 25%.

What colors go with #121ABE?

Its complement is #BFB712; analogous partners are #1271BF and #6012BF. It also appears in 6+ palettes in our collection.

Can I use #121ABE for text?

White text on #121ABE has a contrast ratio of 10.95:1 (passes WCAG AA); black text gives 1.92:1.