Color

#214cba

#214cba
hex#214cba
rgbrgb(33, 76, 186)
hslhsl(223, 70%, 43%)
oklchoklch(0.459 0.18 264.2)
Closest name: Cobalt Blue (#0047ab)Relative luminance 0.0904

Colors that go with #214cba

Charcoal, Sea Green and Steel Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#ba8f21

#2199ba · #4221ba

#ba214c · #4cba21

Split-complementary

Open in tool →

#ba4221 · #99ba21

#ba2199 · #ba8f21 · #21ba42

Contrast

#214cba as textRatioAAAA largeAAAFix
Aaon white
7.48:1passpasspassPasses AAA — no fix needed.
Aaon black
2.81:1failfailfail
  • AA: use #4570de as the text (4.63:1)
  • AAA: use #7495e7 as the text (7.2:1)
  • AA: or shift the background to #c9c9c9 (4.52:1)
  • AAA: or shift the background to #fafafa (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #214cba as the background.

Brands using this color

Fonts for this mood

#214cba reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #214cba
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #214cba and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/214cba-9ca3c4-df704e-211f2d-e9eff1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md