Color

#152e9d

#152e9d
hex#152e9d
rgbrgb(21, 46, 157)
hslhsl(229, 76%, 35%)
oklchoklch(0.371 0.18 266.4)
Closest name: Deepsea Kraken (#082599)Relative luminance 0.0455

Colors that go with #152e9d

Charcoal, Steel Blue and Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9d8415

#15729d · #40159d

#9d152e · #2e9d15

Split-complementary

Open in tool →

#9d4015 · #729d15

#9d1572 · #9d8415 · #159d40

Contrast

#152e9d as textRatioAAAA largeAAAFix
Aaon white
11:1passpasspassPasses AAA — no fix needed.
Aaon black
1.91:1failfailfail
  • AA: use #506ce7 as the text (4.64:1)
  • AAA: use #7d91ed as the text (7.15:1)
  • AA: or shift the background to #a6a6a6 (4.52:1)
  • AAA: or shift the background to #cfcfcf (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #152e9d as the background.

Brands using this color

Fonts for this mood

#152e9d reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #152e9d
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #152e9d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/152e9d-9c9fc4-df7e4e-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