Color

#648281

#648281
hex#648281
rgbrgb(100, 130, 129)
hslhsl(178, 13%, 45%)
oklchoklch(0.583 0.034 193.7)
Closest name: Blue Blood (#6b7f81)Relative luminance 0.2026

Tints & shades

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

Harmonies

Complementary

Open in tool →

#826465

#648272 · #647482

#816482 · #828164

Split-complementary

Open in tool →

#826474 · #827264

#726482 · #826465 · #748264

Contrast

#648281 as textRatioAAAA largeAAAFix
Aaon white
4.16:1failpassfail
  • AA: use #5f7c7b as the text (4.51:1)
  • AAA: use #475c5c as the text (7.11:1)
  • AA: or shift the background to #121212 (4.51:1)
Aaon black
5.05:1passpassfail
  • AAA: use #7d9b9a as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #648281 as the background.

Brands using this color

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

mcpConnect your agent — build around #648281
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 #648281 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/648281-a2bcbe-d45999-1f282d-e9f1ed?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