Color

#599eee

#599eee
hex#599eee
rgbrgb(89, 158, 238)
hslhsl(212, 81%, 64%)
oklchoklch(0.689 0.138 253.4)
Closest name: cornflowerblue (#6495ed)Relative luminance 0.3275

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eea859

#59e9ee · #5e59ee

#ee599e · #9eee59

Split-complementary

Open in tool →

#ee5e59 · #e9ee59

#ee59e9 · #eea859 · #59ee5e

Contrast

#599eee as textRatioAAAA largeAAAFix
Aaon white
2.78:1failfailfail
  • AA: use #1774de as the text (4.58:1)
  • AAA: use #1157a6 as the text (7.15:1)
  • AA: or shift the background to #333333 (4.54:1)
  • AAA: or shift the background to #0a0a0a (7.12:1)
Aaon black
7.55:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #599eee 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

#599eee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #599eee
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 #599eee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/599eee-9caac4-df564e-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