Color

#451d59

#451d59
hex#451d59
rgbrgb(69, 29, 89)
hslhsl(280, 51%, 23%)
oklchoklch(0.319 0.108 312.6)
Closest name: Fading Horizon (#442266)Relative luminance 0.0287

Tints & shades

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

Harmonies

Complementary

Open in tool →

#31591d

#271d59 · #591d4f

#59451d · #1d5945

Split-complementary

Open in tool →

#4f591d · #1d5927

#59271d · #31591d · #1d4f59

Contrast

#451d59 as textRatioAAAA largeAAAFix
Aaon white
13.35:1passpasspassPasses AAA — no fix needed.
Aaon black
1.57:1failfailfail
  • AA: use #a052c7 as the text (4.53:1)
  • AAA: use #b980d6 as the text (7.12:1)
  • AA: or shift the background to #969696 (4.51:1)
  • AAA: or shift the background to #bdbdbd (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #451d59 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

#451d59 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #451d59
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 #451d59 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/451d59-b99fc1-b8cb62-2d1f2c-ebe9f1?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