Color

#276efc

#276efc
hex#276efc
rgbrgb(39, 110, 252)
hslhsl(220, 97%, 57%)
oklchoklch(0.582 0.223 262.1)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.1861

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fcb527

#27d8fc · #4a27fc

#fc276e · #6efc27

Split-complementary

Open in tool →

#fc4a27 · #d8fc27

#fc27d8 · #fcb527 · #27fc4a

Contrast

#276efc as textRatioAAAA largeAAAFix
Aaon white
4.45:1failpassfail
  • AA: use #226bfc as the text (4.59:1)
  • AAA: use #034ad8 as the text (7.06:1)
  • AA: or shift the background to #080808 (4.5:1)
Aaon black
4.72:1passpassfail
  • AAA: use #5e93fd as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #276efc as the background.

Brands using this color

Fonts for this mood

#276efc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #276efc
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

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

analyze #276efc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/276efc-9ca5c4-df694e-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