Color

#30638d

#30638d
hex#30638d
rgbrgb(48, 99, 141)
hslhsl(207, 49%, 37%)
oklchoklch(0.484 0.087 245.8)
Closest name: Blue Velvet (#0d6183)Relative luminance 0.1148

Colors that go with #30638d

Charcoal, Crimson and Goldenrod 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 #30638d

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8d5a30

#308d88 · #30358d

#8d3063 · #638d30

Split-complementary

Open in tool →

#8d3035 · #8d8830

#88308d · #8d5a30 · #358d30

Contrast

#30638d as textRatioAAAA largeAAAFix
Aaon white
6.37:1passpassfail
  • AAA: use #2c5b81 as the text (7.19:1)
Aaon black
3.3:1failpassfail
  • AA: use #3c7baf as the text (4.64:1)
  • AAA: use #639cca as the text (7.14:1)
  • AA: or shift the background to #d9d9d9 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #30638d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#30638d reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #30638d
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 #30638d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/30638d-9cadc4-df4e53-1f212d-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