Color

#453e56

#453e56
hex#453e56
rgbrgb(69, 62, 86)
hslhsl(257, 16%, 29%)
oklchoklch(0.381 0.041 297.8)
Closest name: Call It a Night (#42364c)Relative luminance 0.0538

Colors that go with #453e56

Sea Green, Steel Blue and Teal 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 →

#4f563e

#3e4356 · #513e56

#56453e · #3e5645

Split-complementary

Open in tool →

#56513e · #43563e

#563e43 · #4f563e · #3e5651

Contrast

#453e56 as textRatioAAAA largeAAAFix
Aaon white
10.11:1passpasspassPasses AAA — no fix needed.
Aaon black
2.08:1failfailfail
  • AA: use #7c7198 as the text (4.67:1)
  • AAA: use #9a92b0 as the text (7.11:1)
  • AA: or shift the background to #adadad (4.51:1)
  • AAA: or shift the background to #d9d9d9 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #453e56 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

#453e56 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #453e56
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 #453e56 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/453e56-ac9cc4-dfc24e-291f2d-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