Color

#599cee

#599cee
hex#599cee
rgbrgb(89, 156, 238)
hslhsl(213, 81%, 64%)
oklchoklch(0.685 0.14 254.5)
Closest name: cornflowerblue (#6495ed)Relative luminance 0.3207

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eeab59

#59e6ee · #6059ee

#ee599c · #9cee59

Split-complementary

Open in tool →

#ee6059 · #e6ee59

#ee59e6 · #eeab59 · #59ee60

Contrast

#599cee as textRatioAAAA largeAAAFix
Aaon white
2.83:1failfailfail
  • AA: use #1873e2 as the text (4.58:1)
  • AAA: use #1257ab as the text (7.05:1)
  • AA: or shift the background to #303030 (4.66:1)
  • AAA: or shift the background to #080808 (7.07:1)
Aaon black
7.41:1passpasspassPasses 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 #599cee 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

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

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

tool url/palettes/new/599cee-9ca9c4-df584e-1f202d-e9f0f1?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