Color

#599ef7

#599ef7
hex#599ef7
rgbrgb(89, 158, 247)
hslhsl(214, 91%, 66%)
oklchoklch(0.694 0.149 255.6)
Closest name: cornflowerblue (#6495ed)Relative luminance 0.3329

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f7b359

#59edf7 · #6459f7

#f7599e · #9ef759

Split-complementary

Open in tool →

#f76459 · #edf759

#f759ed · #f7b359 · #59f764

Contrast

#599ef7 as textRatioAAAA largeAAAFix
Aaon white
2.74:1failfailfail
  • AA: use #0b70f4 as the text (4.53:1)
  • AAA: use #0853b4 as the text (7.22:1)
  • AA: or shift the background to #333333 (4.61:1)
  • AAA: or shift the background to #0d0d0d (7.09:1)
Aaon black
7.66:1passpasspassPasses 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 #599ef7 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

#599ef7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #599ef7
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 #599ef7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/599ef7-9ca9c4-df5a4e-1f1f2d-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