Color

#488fdb

#488fdb
hex#488fdb
rgbrgb(72, 143, 219)
hslhsl(211, 67%, 57%)
oklchoklch(0.639 0.135 252.1)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2614

Tints & shades

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

Harmonies

Complementary

Open in tool →

#db9448

#48d8db · #4a48db

#db488f · #8fdb48

Split-complementary

Open in tool →

#db4a48 · #d8db48

#db48d8 · #db9448 · #48db4a

Contrast

#488fdb as textRatioAAAA largeAAAFix
Aaon white
3.37:1failpassfail
  • AA: use #2878cc as the text (4.52:1)
  • AAA: use #1e5a99 as the text (7.05:1)
  • AA: or shift the background to #242424 (4.6:1)
Aaon black
6.23:1passpassfail
  • AAA: use #5999de as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #488fdb as the background.

Brands using this color

Fonts for this mood

#488fdb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #488fdb
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 #488fdb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/488fdb-9cabc4-df534e-1f202d-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