Color

#154d89

#154d89
hex#154d89
rgbrgb(21, 77, 137)
hslhsl(211, 73%, 31%)
oklchoklch(0.419 0.115 253.7)
Closest name: Assassin (#2d4f83)Relative luminance 0.0727

Tints & shades

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

Harmonies

Complementary

Open in tool →

#895115

#158789 · #171589

#89154d · #4d8915

Split-complementary

Open in tool →

#891715 · #878915

#891587 · #895115 · #158917

Contrast

#154d89 as textRatioAAAA largeAAAFix
Aaon white
8.56:1passpasspassPasses AAA — no fix needed.
Aaon black
2.45:1failfailfail
  • AA: use #2075cf as the text (4.51:1)
  • AAA: use #5399e4 as the text (7.04:1)
  • AA: or shift the background to #bdbdbd (4.55:1)
  • AAA: or shift the background to #ebebeb (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #154d89 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#154d89 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #154d89
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 #154d89 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/154d89-9cabc4-df534e-1f202d-e9f1f1?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