Color

#152d56

#152d56
hex#152d56
rgbrgb(21, 45, 86)
hslhsl(218, 61%, 21%)
oklchoklch(0.302 0.08 260.4)
Closest name: Midnight Ocean (#0f2d4d)Relative luminance 0.0271

Tints & shades

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

Harmonies

Complementary

Open in tool →

#563e15

#154e56 · #1e1556

#56152d · #2d5615

Split-complementary

Open in tool →

#561e15 · #4e5615

#56154e · #563e15 · #15561e

Contrast

#152d56 as textRatioAAAA largeAAAFix
Aaon white
13.62:1passpasspassPasses AAA — no fix needed.
Aaon black
1.54:1failfailfail
  • AA: use #3e74d0 as the text (4.61:1)
  • AAA: use #6f97dc as the text (7.14:1)
  • AA: or shift the background to #969696 (4.61:1)
  • AAA: or shift the background to #bababa (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 #152d56 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

#152d56 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #152d56
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 #152d56 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/152d56-9ca6c4-df644e-201f2d-e9f0f1?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