Color

#150571

#150571
hex#150571
rgbrgb(21, 5, 113)
hslhsl(249, 92%, 23%)
oklchoklch(0.263 0.162 272.6)
Closest name: Dying Storm Blue (#111166)Relative luminance 0.0146

Tints & shades

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

Harmonies

Complementary

Open in tool →

#607105

#052a71 · #4b0571

#711505 · #057115

Split-complementary

Open in tool →

#714b05 · #2a7105

#71052a · #607105 · #05714b

Contrast

#150571 as textRatioAAAA largeAAAFix
Aaon white
16.25:1passpasspassPasses AAA — no fix needed.
Aaon black
1.29:1failfailfail
  • AA: use #755df8 as the text (4.68:1)
  • AAA: use #9685fa as the text (7.03:1)
  • AA: or shift the background to #878787 (4.52:1)
  • AAA: or shift the background to #ababab (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #150571 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

#150571 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #150571
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 #150571 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/150571-a79cc4-dfae4e-271f2d-e9ecf1?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