Color

#30a2cf

#30a2cf
hex#30a2cf
rgbrgb(48, 162, 207)
hslhsl(197, 62%, 50%)
oklchoklch(0.67 0.118 229.4)
Closest name: Blue Burst (#309cd0)Relative luminance 0.3097

Colors that go with #30a2cf

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cf5d30

#30cfac · #3053cf

#cf30a2 · #a2cf30

Split-complementary

Open in tool →

#cf3053 · #cfac30

#ac30cf · #cf5d30 · #53cf30

Contrast

#30a2cf as textRatioAAAA largeAAAFix
Aaon white
2.92:1failfailfail
  • AA: use #267ea1 as the text (4.58:1)
  • AAA: use #1c5e78 as the text (7.19:1)
  • AA: or shift the background to #303030 (4.52:1)
  • AAA: or shift the background to #030303 (7.07:1)
Aaon black
7.19:1passpasspassPasses 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 #30a2cf as the background.

Brands using this color

Fonts for this mood

#30a2cf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #30a2cf
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 #30a2cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/30a2cf-9cb4c4-df4e6b-1f232d-e9f1ef?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