Color

#677883

#677883
hex#677883
rgbrgb(103, 120, 131)
hslhsl(204, 12%, 46%)
oklchoklch(0.563 0.026 236.3)
Closest name: Citadel (#6a7f8b)Relative luminance 0.1796

Tints & shades

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

Harmonies

Complementary

Open in tool →

#837267

#678381 · #676a83

#836778 · #788367

Split-complementary

Open in tool →

#83676a · #838167

#816783 · #837267 · #6a8367

Contrast

#677883 as textRatioAAAA largeAAAFix
Aaon white
4.57:1passpassfail
  • AAA: use #4c5961 as the text (7.22:1)
Aaon black
4.59:1passpassfail
  • AAA: use #8a99a3 as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #677883 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #677883
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 #677883 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/677883-9cafc4-df4e5a-1f222d-e9f1f0?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