Color

#307e6c

#307e6c
hex#307e6c
rgbrgb(48, 126, 108)
hslhsl(166, 45%, 34%)
oklchoklch(0.54 0.082 175.2)
Closest name: Emerald Whispers (#2b8478)Relative luminance 0.1663

Colors that go with #307e6c

Charcoal, Medium Violet Red and Blue 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 →

#7e3042

#307e44 · #30697e

#6c307e · #7e6c30

Split-complementary

Open in tool →

#7e3069 · #7e4430

#44307e · #7e3042 · #697e30

Contrast

#307e6c as textRatioAAAA largeAAAFix
Aaon white
4.85:1passpassfail
  • AAA: use #246052 as the text (7.32:1)
Aaon black
4.33:1failpassfail
  • AA: use #31816f as the text (4.5:1)
  • AAA: use #3fa68e as the text (7.06:1)
  • AA: or shift the background to #f7f7f7 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #307e6c as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #307e6c
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 #307e6c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/307e6c-a2bebb-d459b1-1f2a2d-e9f1ec?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