Color

#3075bb

#3075bb
hex#3075bb
rgbrgb(48, 117, 187)
hslhsl(210, 59%, 46%)
oklchoklch(0.553 0.129 251.6)
Closest name: Campanula (#3473b7)Relative luminance 0.1694

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bb7530

#30bbbb · #3030bb

#bb3075 · #75bb30

Split-complementary

Open in tool →

#bb3030 · #bbbb30

#bb30bb · #bb7530 · #30bb30

Contrast

#3075bb as textRatioAAAA largeAAAFix
Aaon white
4.79:1passpassfail
  • AAA: use #25598e as the text (7.25:1)
Aaon black
4.39:1failpassfail
  • AA: use #3178bf as the text (4.57:1)
  • AAA: use #619cd6 as the text (7.23:1)
  • AA: or shift the background to #fafafa (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 #3075bb as the background.

Brands using this color

Fonts for this mood

#3075bb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3075bb
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 #3075bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3075bb-9cabc4-df514e-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