Color

#659bec

#659bec
hex#659bec
rgbrgb(101, 155, 236)
hslhsl(216, 78%, 66%)
oklchoklch(0.687 0.133 258.3)
Closest name: cornflowerblue (#6495ed)Relative luminance 0.3227

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ecb665

#65deec · #7265ec

#ec659b · #9bec65

Split-complementary

Open in tool →

#ec7265 · #deec65

#ec65de · #ecb665 · #65ec72

Contrast

#659bec as textRatioAAAA largeAAAFix
Aaon white
2.82:1failfailfail
  • AA: use #2572e4 as the text (4.56:1)
  • AAA: use #1654b1 as the text (7.15:1)
  • AA: or shift the background to #303030 (4.68:1)
  • AAA: or shift the background to #0a0a0a (7.03:1)
Aaon black
7.45:1passpasspassPasses 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 #659bec 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

#659bec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #659bec
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 #659bec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/659bec-9ca7c4-df5f4e-201f2d-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