Color

#30608d

#30608d
hex#30608d
rgbrgb(48, 96, 141)
hslhsl(209, 49%, 37%)
oklchoklch(0.477 0.09 248.9)
Closest name: Blue Velvet (#0d6183)Relative luminance 0.1092

Colors that go with #30608d

Charcoal, Sea Green and Sienna 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 →

#8d5d30

#308d8b · #30328d

#8d3060 · #608d30

Split-complementary

Open in tool →

#8d3032 · #8d8b30

#8b308d · #8d5d30 · #328d30

Contrast

#30608d as textRatioAAAA largeAAAFix
Aaon white
6.6:1passpassfail
  • AAA: use #2e5b85 as the text (7.12:1)
Aaon black
3.18:1failpassfail
  • AA: use #3d7ab3 as the text (4.63:1)
  • AAA: use #679bcb as the text (7.13:1)
  • AA: or shift the background to #d6d6d6 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #30608d as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#30608d reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #30608d
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 #30608d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/30608d-9cacc4-df4e4e-1f212d-e9f1f1?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