Color

#451971

#451971
hex#451971
rgbrgb(69, 25, 113)
hslhsl(270, 64%, 27%)
oklchoklch(0.333 0.142 301.8)
Closest name: Explorer of the Galaxies (#3a1f76)Relative luminance 0.0315

Tints & shades

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

Harmonies

Complementary

Open in tool →

#457119

#191971 · #711971

#714519 · #197145

Split-complementary

Open in tool →

#717119 · #197119

#711919 · #457119 · #197171

Contrast

#451971 as textRatioAAAA largeAAAFix
Aaon white
12.88:1passpasspassPasses AAA — no fix needed.
Aaon black
1.63:1failfailfail
  • AA: use #9654d9 as the text (4.57:1)
  • AAA: use #b382e3 as the text (7.22:1)
  • AA: or shift the background to #999999 (4.52:1)
  • AAA: or shift the background to #bfbfbf (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 #451971 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

#451971 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #451971
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 #451971 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/451971-b59cc4-c9cb62-2c1f2d-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