Color

#275ec4

#275ec4
hex#275ec4
rgbrgb(39, 94, 196)
hslhsl(219, 67%, 46%)
oklchoklch(0.506 0.17 261.4)
Closest name: Denim (#1560bd)Relative luminance 0.1242

Colors that go with #275ec4

Charcoal, Amber and 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 →

#c48d27

#27acc4 · #3e27c4

#c4275e · #5ec427

Split-complementary

Open in tool →

#c43e27 · #acc427

#c427ac · #c48d27 · #27c43e

Contrast

#275ec4 as textRatioAAAA largeAAAFix
Aaon white
6.03:1passpassfail
  • AAA: use #2354af as the text (7.1:1)
Aaon black
3.48:1failpassfail
  • AA: use #3b72d8 as the text (4.58:1)
  • AAA: use #6e97e2 as the text (7.19:1)
  • AA: or shift the background to #e0e0e0 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #275ec4 as the background.

Brands using this color

Fonts for this mood

#275ec4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #275ec4
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 #275ec4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/275ec4-9ca5c4-df664e-211f2d-e9f0f1?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