Cobalt Core Clear (#3864BC) belongs to the blue family — hue 220°, 54% saturation, 48% lightness. Copy the hex, RGB, or HSL value above, or paste the CSS custom property below into your stylesheet to reference this color directly.
:root { --colorarchive-cobalt-core-clear: #3864BC; --colorarchive-cobalt-core-clear-hsl: hsl(220, 54%, 48%); --colorarchive-cobalt-core-clear-rgb: rgb(56, 100, 188); }
Let AI suggest alternative poetic names for this color in English and Chinese.
Banking · Insurance · Enterprise Software
White for clean authority, light orange for warm contrast, dark navy for depth
The backbone of business interfaces. Use for primary actions and navigation. Blue links are the web's universal convention.
Blue is the world's most popular color. It represents trust, competence, and stability across virtually all cultures.
The most-loved color on the planet, and the most overused.
Blue is the rarest pigment in the natural world — and so, historically, the most expensive. Ultramarine, ground from lapis lazuli mined only in Afghanistan, was worth more than gold in Renaissance Europe; Vermeer's bills were enormous because of how much he used. Egyptian blue (the first synthetic pigment, ~3000 BCE) was lost for centuries and rediscovered in the 19th. Prussian blue (1704) democratized blue overnight; Yves Klein's IKB (1960) re-aristocratized it.
In ancient Egypt blue was the color of the Nile and the heavens — sacred, protective. In China blue-and-white porcelain (qinghua) defined export ceramics for 600 years. In Mediterranean traditions blue wards off the evil eye. In post-WWII America, blue became the corporate default ('IBM blue'); in Japan, indigo (ai) is the centuries-old workwear dye that became the ground tone of an entire textile tradition. Across the world blue is consistently rated the most-liked color — sometimes by 35% margins.
Facebook is blue because Mark Zuckerberg is red-green colorblind. IBM's blue dates to 1947. Levi's blue is the natural color of indigo on cotton. Twitter Blue (#1DA1F2) defined social-media blue for a decade before X scrapped it. Pixar's Up famously runs on a single complementary palette built on blue. The blue checkmark, the blue link, the blue 'send' button — blue has become the default color of digital trust, to the point of being a UX cliché.
Blue recedes — physically, the eye focuses blue light slightly behind the retina, which makes blue elements feel deep or distant. It reads as trustworthy, calm, corporate, and (at the cool end) cold. Light blues read airy and clinical; mid blues are the default for tech and finance; deep blues read as luxurious or naval. The omnipresence of blue in software is real: most enterprise UIs reach for it because it offends the fewest stakeholders, which is also the reason it can feel like the absence of a real choice.
A confident mid-tone — this is the workhorse register of the hue, and the band where most successful brand colors live.
Lightness band: At mid-lightness the hue carries its full character. This is the band where most identity colors live: bright enough to be distinctive at small sizes, deep enough to sit cleanly on a white canvas.
Saturation band: The clear, mid-saturation register is the most common identity sweet spot — saturated enough to register as a 'real' color, restrained enough not to fight typography or photography placed over it.
Within the public brand-guidelines reference catalog, these are the closest matches to #3864BC.
From the cultural-palette catalog, these regions feature a color close to #3864BC.
Instead of stopping at one swatch, use nearby, opposite, and tonal neighbors to branch into a broader palette.
Base: Cobalt Core Clear #3864BC Lighter companion: Cobalt Radiant Clear #4A75C9 Darker companion: Cobalt Velvet Clear #3158A5 Complementary counterpoint: Apricot Core Clear #BC9038 Analogous lead: Amethyst Core Clear #4338BC Analogous echo: Azure Core Clear #3890BC Triadic +120°: Garnet Core Clear #BC3864 Triadic +240°: Moss Core Clear #64BC38 Split-comp +150°: Ruby Core Clear #BC4E38 Split-comp +210°: Honey Core Clear #A6BC38
See how Cobalt Core Clear compares side by side with related colors.
The closest archive matches by hue, saturation, and lightness.
Archive colors that meet WCAG contrast standards when paired with this color. Use as text-on-background or background-on-text.
How this color appears with different color vision deficiencies.
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