Color

#30a6bb

#30a6bb
hex#30a6bb
rgbrgb(48, 166, 187)
hslhsl(189, 59%, 46%)
oklchoklch(0.671 0.105 212.3)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3149

Colors that go with #30a6bb

Charcoal, Tomato and Amber 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 #30a6bb

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bb4530

#30bb8a · #3061bb

#bb30a6 · #a6bb30

Split-complementary

Open in tool →

#bb3061 · #bb8a30

#8a30bb · #bb4530 · #61bb30

Contrast

#30a6bb as textRatioAAAA largeAAAFix
Aaon white
2.88:1failfailfail
  • AA: use #257e8e as the text (4.72:1)
  • AAA: use #1c616d as the text (7.05:1)
  • AA: or shift the background to #303030 (4.59:1)
  • AAA: or shift the background to #050505 (7.08:1)
Aaon black
7.3:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #30a6bb as the background.

Brands using this color

Fonts for this mood

#30a6bb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #30a6bb
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 #30a6bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/30a6bb-a2b7be-df4e7e-1f252d-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