Color

#154e99

#154e99
hex#154e99
rgbrgb(21, 78, 153)
hslhsl(214, 76%, 34%)
oklchoklch(0.433 0.136 257.3)
Closest name: Cascade Twilight (#234893)Relative luminance 0.0791

Tints & shades

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

Harmonies

Complementary

Open in tool →

#995f15

#159099 · #1e1599

#99154e · #4e9915

Split-complementary

Open in tool →

#991e15 · #909915

#991590 · #995f15 · #15991e

Contrast

#154e99 as textRatioAAAA largeAAAFix
Aaon white
8.13:1passpasspassPasses AAA — no fix needed.
Aaon black
2.58:1failfailfail
  • AA: use #1f73e0 as the text (4.59:1)
  • AAA: use #5997e8 as the text (7.02:1)
  • AA: or shift the background to #c2c2c2 (4.57:1)
  • AAA: or shift the background to #f0f0f0 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #154e99 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

#154e99 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #154e99
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 #154e99 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/154e99-9ca9c4-df5a4e-1f1f2d-e9f0f1?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