Color

#453b59

#453b59
hex#453b59
rgbrgb(69, 59, 89)
hslhsl(260, 20%, 29%)
oklchoklch(0.376 0.052 299.2)
Closest name: Call It a Night (#42364c)Relative luminance 0.0511

Colors that go with #453b59

Teal, Dark Olive Green and Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4f593b

#3b4059 · #543b59

#59453b · #3b5945

Split-complementary

Open in tool →

#59543b · #40593b

#593b40 · #4f593b · #3b5954

Contrast

#453b59 as textRatioAAAA largeAAAFix
Aaon white
10.38:1passpasspassPasses AAA — no fix needed.
Aaon black
2.02:1failfailfail
  • AA: use #7f6f9f as the text (4.68:1)
  • AAA: use #9d91b6 as the text (7.16:1)
  • AA: or shift the background to #ababab (4.52:1)
  • AAA: or shift the background to #d4d4d4 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #453b59 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

#453b59 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #453b59
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #453b59 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/453b59-ae9cc4-dfc94e-2a1f2d-e9ebf1?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