Color

#150f4d

#150f4d
hex#150f4d
rgbrgb(21, 15, 77)
hslhsl(246, 67%, 18%)
oklchoklch(0.229 0.108 277.9)
Closest name: Deadly Depths (#111144)Relative luminance 0.0104

Tints & shades

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

Harmonies

Complementary

Open in tool →

#474d0f

#0f284d · #340f4d

#4d150f · #0f4d15

Split-complementary

Open in tool →

#4d340f · #284d0f

#4d0f28 · #474d0f · #0f4d34

Contrast

#150f4d as textRatioAAAA largeAAAFix
Aaon white
17.39:1passpasspassPasses AAA — no fix needed.
Aaon black
1.21:1failfailfail
  • AA: use #7266e1 as the text (4.7:1)
  • AAA: use #958ce8 as the text (7.19:1)
  • AA: or shift the background to #828282 (4.53:1)
  • AAA: or shift the background to #a6a6a6 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #150f4d 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

#150f4d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #150f4d
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 #150f4d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/150f4d-a59cc4-dfa74e-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