Color

#276bb9

#276bb9
hex#276bb9
rgbrgb(39, 107, 185)
hslhsl(212, 65%, 44%)
oklchoklch(0.526 0.14 254.4)
Closest name: Campanula (#3473b7)Relative luminance 0.1445

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b97527

#27b4b9 · #2c27b9

#b9276b · #6bb927

Split-complementary

Open in tool →

#b92c27 · #b4b927

#b927b4 · #b97527 · #27b92c

Contrast

#276bb9 as textRatioAAAA largeAAAFix
Aaon white
5.4:1passpassfail
  • AAA: use #205897 as the text (7.23:1)
Aaon black
3.89:1failpassfail
  • AA: use #2b75ca as the text (4.5:1)
  • AAA: use #5f9add as the text (7.15:1)
  • AA: or shift the background to #ebebeb (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #276bb9 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#276bb9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #276bb9
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 #276bb9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/276bb9-9caac4-df564e-1f202d-e9f1f1?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