Color

#5799db

#5799db
hex#5799db
rgbrgb(87, 153, 219)
hslhsl(210, 65%, 60%)
oklchoklch(0.668 0.12 250.1)
Closest name: Blue Bay (#619ad6)Relative luminance 0.2992

Tints & shades

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

Harmonies

Complementary

Open in tool →

#db9957

#57dbdb · #5757db

#db5799 · #99db57

Split-complementary

Open in tool →

#db5757 · #dbdb57

#db57db · #db9957 · #57db57

Contrast

#5799db as textRatioAAAA largeAAAFix
Aaon white
3.01:1failpassfail
  • AA: use #2a78c6 as the text (4.56:1)
  • AAA: use #1f5993 as the text (7.22:1)
  • AA: or shift the background to #2e2e2e (4.52:1)
Aaon black
6.98:1passpassfail
  • AAA: use #5b9cdc as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5799db 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

#5799db reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5799db
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 #5799db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5799db-9cabc4-df514e-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