Color

#304fc0

#304fc0
hex#304fc0
rgbrgb(48, 79, 192)
hslhsl(227, 60%, 47%)
oklchoklch(0.475 0.181 267.3)
Closest name: Denim (#2243b6)Relative luminance 0.1003

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c0a130

#3097c0 · #5930c0

#c0304f · #4fc030

Split-complementary

Open in tool →

#c05930 · #97c030

#c03097 · #c0a130 · #30c059

Contrast

#304fc0 as textRatioAAAA largeAAAFix
Aaon white
6.99:1passpassfail
  • AAA: use #2f4dbc as the text (7.22:1)
Aaon black
3.01:1failpassfail
  • AA: use #546fd4 as the text (4.6:1)
  • AAA: use #7c92de as the text (7.02:1)
  • AA: or shift the background to #d1d1d1 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #304fc0 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

#304fc0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #304fc0
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 #304fc0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/304fc0-9ca0c4-df7a4e-221f2d-e9eff1?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