Color

#308ea6

#308ea6
hex#308ea6
rgbrgb(48, 142, 166)
hslhsl(192, 55%, 42%)
oklchoklch(0.603 0.093 218.4)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2273

Colors that go with #308ea6

Charcoal, Copper and Crimson 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 →

#a64830

#30a683 · #3054a6

#a6308e · #8ea630

Split-complementary

Open in tool →

#a63054 · #a68330

#8330a6 · #a64830 · #54a630

Contrast

#308ea6 as textRatioAAAA largeAAAFix
Aaon white
3.79:1failpassfail
  • AA: use #2a7d92 as the text (4.72:1)
  • AAA: use #205f6f as the text (7.17:1)
  • AA: or shift the background to #1c1c1c (4.5:1)
Aaon black
5.55:1passpassfail
  • AAA: use #37a3be as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #308ea6 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

#308ea6 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #308ea6
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 #308ea6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/308ea6-a2b5be-df4e77-1f242d-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