Color

#15028d

#15028d
hex#15028d
rgbrgb(21, 2, 141)
hslhsl(248, 97%, 28%)
oklchoklch(0.3 0.195 269.7)
Closest name: darkblue (#00008b)Relative luminance 0.0213

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7a8d02

#02358d · #5a028d

#8d1502 · #028d15

Split-complementary

Open in tool →

#8d5a02 · #358d02

#8d0235 · #7a8d02 · #028d5a

Contrast

#15028d as textRatioAAAA largeAAAFix
Aaon white
14.73:1passpasspassPasses AAA — no fix needed.
Aaon black
1.43:1failfailfail
  • AA: use #6f59fc as the text (4.51:1)
  • AAA: use #9686fd as the text (7.13:1)
  • AA: or shift the background to #8f8f8f (4.56:1)
  • AAA: or shift the background to #b3b3b3 (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 #15028d 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

#15028d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #15028d
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 #15028d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/15028d-a69cc4-dfac4e-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