Color

#30989c

#30989c
hex#30989c
rgbrgb(48, 152, 156)
hslhsl(182, 53%, 40%)
oklchoklch(0.624 0.092 198.8)
Closest name: Baltic (#279d9f)Relative luminance 0.2549

Colors that go with #30989c

Charcoal, Crimson and Cobalt 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.

Real palettes that use #30989c

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9c3430

#309c6a · #30629c

#9c3098 · #989c30

Split-complementary

Open in tool →

#9c3062 · #9c6a30

#6a309c · #9c3430 · #629c30

Contrast

#30989c as textRatioAAAA largeAAAFix
Aaon white
3.44:1failpassfail
  • AA: use #298285 as the text (4.54:1)
  • AAA: use #1e5f62 as the text (7.32:1)
  • AA: or shift the background to #242424 (4.51:1)
Aaon black
6.1:1passpassfail
  • AAA: use #34a4a8 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #30989c 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

#30989c reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #30989c
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 #30989c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/30989c-a2babe-d45990-1f272d-e9f1ee?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