Color

#306e54

#306e54
hex#306e54
rgbrgb(48, 110, 84)
hslhsl(155, 39%, 31%)
oklchoklch(0.489 0.077 163.6)
Closest name: Forest Serenade (#336644)Relative luminance 0.1242

Colors that go with #306e54

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 →

#6e304a

#306e35 · #30696e

#54306e · #6e5430

Split-complementary

Open in tool →

#6e3069 · #6e3530

#35306e · #6e304a · #696e30

Contrast

#306e54 as textRatioAAAA largeAAAFix
Aaon white
6.03:1passpassfail
  • AAA: use #2c634c as the text (7.01:1)
Aaon black
3.48:1failpassfail
  • AA: use #3a8364 as the text (4.61:1)
  • AAA: use #49a780 as the text (7.12:1)
  • AA: or shift the background to #e0e0e0 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #306e54 as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #306e54
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 #306e54 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/306e54-a2beb6-d459c8-1f2d2d-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