Color

#153275

#153275
hex#153275
rgbrgb(21, 50, 117)
hslhsl(222, 70%, 27%)
oklchoklch(0.34 0.121 263.6)
Closest name: Atlantic Navy (#13336f)Relative luminance 0.0372

Colors that go with #153275

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 →

#755815

#156275 · #281575

#751532 · #327515

Split-complementary

Open in tool →

#752815 · #627515

#751562 · #755815 · #157528

Contrast

#153275 as textRatioAAAA largeAAAFix
Aaon white
12.03:1passpasspassPasses AAA — no fix needed.
Aaon black
1.74:1failfailfail
  • AA: use #406fdd as the text (4.54:1)
  • AAA: use #7093e6 as the text (7.01:1)
  • AA: or shift the background to #a1a1a1 (4.66:1)
  • AAA: or shift the background to #c7c7c7 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #153275 as the background.

Brands using this color

Fonts for this mood

#153275 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #153275
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 #153275 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/153275-9ca3c4-df6e4e-211f2d-e9eff1?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