Color

#453a55

#453a55
hex#453a55
rgbrgb(69, 58, 85)
hslhsl(264, 19%, 28%)
oklchoklch(0.371 0.047 302.8)
Closest name: Call It a Night (#42364c)Relative luminance 0.0495

Colors that go with #453a55

Sea Green, Teal and Dark Olive Green 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 →

#4a553a

#3a3d55 · #523a55

#55453a · #3a5545

Split-complementary

Open in tool →

#55523a · #3d553a

#553a3d · #4a553a · #3a5552

Contrast

#453a55 as textRatioAAAA largeAAAFix
Aaon white
10.56:1passpasspassPasses AAA — no fix needed.
Aaon black
1.99:1failfailfail
  • AA: use #806d9c as the text (4.59:1)
  • AAA: use #9d8fb3 as the text (7.01:1)
  • AA: or shift the background to #ababab (4.6:1)
  • AAA: or shift the background to #d4d4d4 (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 #453a55 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

#453a55 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #453a55
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 #453a55 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/453a55-b19cc4-dfd34e-2b1f2d-e9eaf1?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