Color

#455b68

#455b68
hex#455b68
rgbrgb(69, 91, 104)
hslhsl(202, 20%, 34%)
oklchoklch(0.458 0.034 234.4)
Closest name: Blackwater (#545663)Relative luminance 0.0975

Tints & shades

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

Harmonies

Complementary

Open in tool →

#685245

#456863 · #454a68

#68455b · #5b6845

Split-complementary

Open in tool →

#68454a · #686345

#634568 · #685245 · #4a6845

Contrast

#455b68 as textRatioAAAA largeAAAFix
Aaon white
7.12:1passpasspassPasses AAA — no fix needed.
Aaon black
2.95:1failfailfail
  • AA: use #5c798a as the text (4.56:1)
  • AAA: use #7e9aa9 as the text (7.08:1)
  • AA: or shift the background to #cfcfcf (4.57:1)
  • AAA: or shift the background to #ffffff (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 #455b68 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 #455b68
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 #455b68 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/455b68-9cb1c4-df4e5f-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