Color

#276add

#276add
hex#276add
rgbrgb(39, 106, 221)
hslhsl(218, 73%, 51%)
oklchoklch(0.55 0.189 260.6)
Closest name: royalblue (#4169e1)Relative luminance 0.1596

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dd9a27

#27c5dd · #3f27dd

#dd276a · #6add27

Split-complementary

Open in tool →

#dd3f27 · #c5dd27

#dd27c5 · #dd9a27 · #27dd3f

Contrast

#276add as textRatioAAAA largeAAAFix
Aaon white
5.01:1passpassfail
  • AAA: use #1c54b5 as the text (7.04:1)
Aaon black
4.19:1failpassfail
  • AA: use #3070df as the text (4.51:1)
  • AAA: use #6997e8 as the text (7.19:1)
  • AA: or shift the background to #f5f5f5 (4.59:1)

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

Brands using this color

Fonts for this mood

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

mcpConnect your agent — build around #276add
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 #276add and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/276add-9ca6c4-df644e-201f2d-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