Color

#15034f

#15034f
hex#15034f
rgbrgb(21, 3, 79)
hslhsl(254, 93%, 16%)
oklchoklch(0.214 0.123 280.1)
Closest name: Ravenclaw (#0a0555)Relative luminance 0.0079

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3d4f03

#03174f · #3b034f

#4f1503 · #034f15

Split-complementary

Open in tool →

#4f3b03 · #174f03

#4f0317 · #3d4f03 · #034f3b

Contrast

#15034f as textRatioAAAA largeAAAFix
Aaon white
18.14:1passpasspassPasses AAA — no fix needed.
Aaon black
1.16:1failfailfail
  • AA: use #7d58f9 as the text (4.64:1)
  • AAA: use #a084fb as the text (7.19:1)
  • AA: or shift the background to #808080 (4.59:1)
  • AAA: or shift the background to #a1a1a1 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #15034f as the background.

Brands using this color

Fonts for this mood

#15034f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #15034f
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 #15034f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/15034f-aa9cc4-dfbb4e-291f2d-e9ebf1?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