Color

#451d5e

#451d5e
hex#451d5e
rgbrgb(69, 29, 94)
hslhsl(277, 53%, 24%)
oklchoklch(0.323 0.114 309.8)
Closest name: Fading Horizon (#442266)Relative luminance 0.0295

Tints & shades

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

Harmonies

Complementary

Open in tool →

#365e1d

#241d5e · #5e1d56

#5e451d · #1d5e45

Split-complementary

Open in tool →

#565e1d · #1d5e24

#5e241d · #365e1d · #1d565e

Contrast

#451d5e as textRatioAAAA largeAAAFix
Aaon white
13.2:1passpasspassPasses AAA — no fix needed.
Aaon black
1.59:1failfailfail
  • AA: use #9d53ca as the text (4.52:1)
  • AAA: use #b782d9 as the text (7.21:1)
  • AA: or shift the background to #999999 (4.63:1)
  • AAA: or shift the background to #bdbdbd (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 #451d5e 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

#451d5e reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #451d5e
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 #451d5e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/451d5e-b99cc4-bdcb62-2d1f2c-eae9f1?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