Color

#307eab

#307eab
hex#307eab
rgbrgb(48, 126, 171)
hslhsl(202, 56%, 43%)
oklchoklch(0.566 0.102 237.9)
Closest name: Blue Triumph (#4376ab)Relative luminance 0.1849

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ab5d30

#30ab9b · #3041ab

#ab307e · #7eab30

Split-complementary

Open in tool →

#ab3041 · #ab9b30

#9b30ab · #ab5d30 · #41ab30

Contrast

#307eab as textRatioAAAA largeAAAFix
Aaon white
4.47:1failpassfail
  • AA: use #2f7ba7 as the text (4.65:1)
  • AAA: use #245e7f as the text (7.04:1)
  • AA: or shift the background to #050505 (4.56:1)
Aaon black
4.7:1passpassfail
  • AAA: use #4c9dcd as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #307eab 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

#307eab reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #307eab
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 #307eab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/307eab-9cb1c4-df4e5f-1f222d-e9f1f0?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