Color

#305191

#305191
hex#305191
rgbrgb(48, 81, 145)
hslhsl(220, 50%, 38%)
oklchoklch(0.444 0.112 262.3)
Closest name: Blue Chip (#1d5699)Relative luminance 0.0856

Tints & shades

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

Harmonies

Complementary

Open in tool →

#917130

#308191 · #413091

#913051 · #519130

Split-complementary

Open in tool →

#914130 · #819130

#913081 · #917130 · #309141

Contrast

#305191 as textRatioAAAA largeAAAFix
Aaon white
7.74:1passpasspassPasses AAA — no fix needed.
Aaon black
2.71:1failfailfail
  • AA: use #4b73c3 as the text (4.54:1)
  • AAA: use #7997d2 as the text (7.17:1)
  • AA: or shift the background to #c7c7c7 (4.58:1)
  • AAA: or shift the background to #f5f5f5 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #305191 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

#305191 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #305191
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #305191 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/305191-9ca5c4-df694e-211f2d-e9f0f1?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