Color

#307e5f

#307e5f
hex#307e5f
rgbrgb(48, 126, 95)
hslhsl(156, 45%, 34%)
oklchoklch(0.536 0.091 163.9)
Closest name: Amazon (#387b54)Relative luminance 0.1638

Colors that go with #307e5f

Charcoal, Crimson and Medium Violet Red lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7e304f

#307e37 · #30767e

#5f307e · #7e5f30

Split-complementary

Open in tool →

#7e3076 · #7e3730

#37307e · #7e304f · #767e30

Contrast

#307e5f as textRatioAAAA largeAAAFix
Aaon white
4.91:1passpassfail
  • AAA: use #246048 as the text (7.39:1)
Aaon black
4.28:1failpassfail
  • AA: use #328564 as the text (4.67:1)
  • AAA: use #41aa80 as the text (7.29:1)
  • AA: or shift the background to #f5f5f5 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #307e5f as the background.

Brands using this color

mcpConnect your agent — build around #307e5f
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #307e5f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/307e5f-a2beb6-d459c6-1f2d2d-e9f1ea?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