Color

#677cd0

#677cd0
hex#677cd0
rgbrgb(103, 124, 208)
hslhsl(228, 53%, 61%)
oklchoklch(0.608 0.13 271.5)
Closest name: Flood (#6677bb)Relative luminance 0.2185

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d0bb67

#67b1d0 · #8667d0

#d0677c · #7cd067

Split-complementary

Open in tool →

#d08667 · #b1d067

#d067b1 · #d0bb67 · #67d086

Contrast

#677cd0 as textRatioAAAA largeAAAFix
Aaon white
3.91:1failpassfail
  • AA: use #576ecb as the text (4.67:1)
  • AAA: use #3750b3 as the text (7.09:1)
  • AA: or shift the background to #171717 (4.58:1)
Aaon black
5.37:1passpassfail
  • AAA: use #8293d9 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #677cd0 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

#677cd0 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #677cd0
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 #677cd0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/677cd0-9c9fc4-df7c4e-231f2d-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