Color

#150a29

#150a29
hex#150a29
rgbrgb(21, 10, 41)
hslhsl(261, 61%, 10%)
oklchoklch(0.181 0.061 296.2)
Closest name: Quiet Abyss (#160435)Relative luminance 0.0054

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1e290a

#0a0f29 · #240a29

#29150a · #0a2915

Split-complementary

Open in tool →

#29240a · #0f290a

#290a0f · #1e290a · #0a2924

Contrast

#150a29 as textRatioAAAA largeAAAFix
Aaon white
18.96:1passpasspassPasses AAA — no fix needed.
Aaon black
1.11:1failfailfail
  • AA: use #895fd8 as the text (4.69:1)
  • AAA: use #a888e2 as the text (7.28:1)
  • AA: or shift the background to #7d7d7d (4.61:1)
  • AAA: or shift the background to #9e9e9e (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 #150a29 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

#150a29 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #150a29
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 #150a29 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/150a29-af9cc4-dfcb4e-2a1f2d-e9eaf1?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