Color

#689ffd

#689ffd
hex#689ffd
rgbrgb(104, 159, 253)
hslhsl(218, 97%, 70%)
oklchoklch(0.706 0.15 260.5)
Closest name: cornflowerblue (#6495ed)Relative luminance 0.3483

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fdc668

#68e9fd · #7c68fd

#fd689f · #9ffd68

Split-complementary

Open in tool →

#fd7c68 · #e9fd68

#fd68e9 · #fdc668 · #68fd7c

Contrast

#689ffd as textRatioAAAA largeAAAFix
Aaon white
2.64:1failfailfail
  • AA: use #186bfb as the text (4.63:1)
  • AAA: use #034ece as the text (7.04:1)
  • AA: or shift the background to #363636 (4.58:1)
  • AAA: or shift the background to #121212 (7.11:1)
Aaon black
7.97:1passpasspassPasses 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 #689ffd 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

#689ffd reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #689ffd
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 #689ffd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/689ffd-9ca6c4-df644e-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