Color

#153d47

#153d47
hex#153d47
rgbrgb(21, 61, 71)
hslhsl(192, 54%, 18%)
oklchoklch(0.337 0.047 217.1)
Closest name: Sunken Harbour (#1c3d44)Relative luminance 0.0395

Colors that go with #153d47

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 →

#471f15

#154738 · #152447

#47153d · #3d4715

Split-complementary

Open in tool →

#471524 · #473815

#381547 · #471f15 · #244715

Contrast

#153d47 as textRatioAAAA largeAAAFix
Aaon white
11.73:1passpasspassPasses AAA — no fix needed.
Aaon black
1.79:1failfailfail
  • AA: use #2d8095 as the text (4.63:1)
  • AAA: use #38a2bc as the text (7.06:1)
  • AA: or shift the background to #a1a1a1 (4.54:1)
  • AAA: or shift the background to #c9c9c9 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #153d47 as the background.

Brands using this color

Fonts for this mood

#153d47 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #153d47
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 #153d47 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/153d47-a2b5be-df4e77-1f242d-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