Color

#152584

#152584
hex#152584
rgbrgb(21, 37, 132)
hslhsl(231, 73%, 30%)
oklchoklch(0.328 0.158 267.9)
Closest name: Below the Surface (#0a2f7c)Relative luminance 0.0315

Tints & shades

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

Harmonies

Complementary

Open in tool →

#847415

#155d84 · #3c1584

#841525 · #258415

Split-complementary

Open in tool →

#843c15 · #5d8415

#84155d · #847415 · #15843c

Contrast

#152584 as textRatioAAAA largeAAAFix
Aaon white
12.89:1passpasspassPasses AAA — no fix needed.
Aaon black
1.63:1failfailfail
  • AA: use #5369e4 as the text (4.51:1)
  • AAA: use #7f8feb as the text (7.03:1)
  • AA: or shift the background to #999999 (4.52:1)
  • AAA: or shift the background to #bfbfbf (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #152584 as the background.

Brands using this color

Fonts for this mood

#152584 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #152584
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 #152584 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/152584-9c9ec4-df834e-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