Color

#153c47

#153c47
hex#153c47
rgbrgb(21, 60, 71)
hslhsl(193, 54%, 18%)
oklchoklch(0.334 0.047 219.5)
Closest name: Sunken Harbour (#1c3d44)Relative luminance 0.0385

Colors that go with #153c47

Crimson, Steel Blue and Teal 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 →

#472015

#154739 · #152347

#47153c · #3c4715

Split-complementary

Open in tool →

#471523 · #473915

#391547 · #472015 · #234715

Contrast

#153c47 as textRatioAAAA largeAAAFix
Aaon white
11.87:1passpasspassPasses AAA — no fix needed.
Aaon black
1.77:1failfailfail
  • AA: use #2d7f95 as the text (4.58:1)
  • AAA: use #39a3c0 as the text (7.17:1)
  • AA: or shift the background to #a1a1a1 (4.59:1)
  • AAA: or shift the background to #c7c7c7 (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 #153c47 as the background.

Brands using this color

Fonts for this mood

#153c47 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #153c47
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 #153c47 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/153c47-a2b5be-df4e75-1f242d-e9f1ef?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