Color

#151e56

#151e56
hex#151e56
rgbrgb(21, 30, 86)
hslhsl(232, 61%, 21%)
oklchoklch(0.267 0.101 270.9)
Closest name: Dark Soul (#112255)Relative luminance 0.0176

Tints & shades

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

Harmonies

Complementary

Open in tool →

#564e15

#153e56 · #2d1556

#56151e · #1e5615

Split-complementary

Open in tool →

#562d15 · #3e5615

#56153e · #564e15 · #15562d

Contrast

#151e56 as textRatioAAAA largeAAAFix
Aaon white
15.53:1passpasspassPasses AAA — no fix needed.
Aaon black
1.35:1failfailfail
  • AA: use #5b6bd7 as the text (4.53:1)
  • AAA: use #8490e1 as the text (7.06:1)
  • AA: or shift the background to #8c8c8c (4.62:1)
  • AAA: or shift the background to #b0b0b0 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #151e56 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

#151e56 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #151e56
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 #151e56 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/151e56-9c9dc4-df864e-231f2d-e9eef1?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