Color

#658bec

#658bec
hex#658bec
rgbrgb(101, 139, 236)
hslhsl(223, 78%, 66%)
oklchoklch(0.654 0.151 266.2)
Closest name: cornflowerblue (#6495ed)Relative luminance 0.2729

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ecc665

#65cfec · #8265ec

#ec658b · #8bec65

Split-complementary

Open in tool →

#ec8265 · #cfec65

#ec65cf · #ecc665 · #65ec82

Contrast

#658bec as textRatioAAAA largeAAAFix
Aaon white
3.25:1failpassfail
  • AA: use #3c6ce7 as the text (4.68:1)
  • AAA: use #194ccc as the text (7.13:1)
  • AA: or shift the background to #262626 (4.65:1)
Aaon black
6.46:1passpassfail
  • AAA: use #7295ee as the text (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #658bec 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

#658bec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #658bec
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 #658bec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/658bec-9ca3c4-df704e-211f2d-e9eff1?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