Color

#305ff8

#305ff8
hex#305ff8
rgbrgb(48, 95, 248)
hslhsl(226, 93%, 58%)
oklchoklch(0.553 0.234 265.7)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.1559

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f8c930

#30c2f8 · #6530f8

#f8305f · #5ff830

Split-complementary

Open in tool →

#f86530 · #c2f830

#f830c2 · #f8c930 · #30f865

Contrast

#305ff8 as textRatioAAAA largeAAAFix
Aaon white
5.1:1passpassfail
  • AAA: use #093ff1 as the text (7.02:1)
Aaon black
4.12:1failpassfail
  • AA: use #3f6af8 as the text (4.63:1)
  • AAA: use #7090fa as the text (7.06:1)
  • AA: or shift the background to #f2f2f2 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #305ff8 as the background.

Brands using this color

Fonts for this mood

#305ff8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #305ff8
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 #305ff8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/305ff8-9ca1c4-df774e-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