Color

#307d97

#307d97
hex#307d97
rgbrgb(48, 125, 151)
hslhsl(195, 52%, 39%)
oklchoklch(0.554 0.084 223.9)
Closest name: Cry Me a River (#427898)Relative luminance 0.1753

Tints & shades

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

Harmonies

Complementary

Open in tool →

#974a30

#30977d · #304a97

#97307d · #7d9730

Split-complementary

Open in tool →

#97304a · #977d30

#7d3097 · #974a30 · #4a9730

Contrast

#307d97 as textRatioAAAA largeAAAFix
Aaon white
4.66:1passpassfail
  • AAA: use #235d70 as the text (7.31:1)
Aaon black
4.51:1passpassfail
  • AAA: use #3da1c2 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #307d97 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

#307d97 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #307d97
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 #307d97 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/307d97-9cb5c4-df4e70-1f242d-e9f1ef?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