Color

#154a7e

#154a7e
hex#154a7e
rgbrgb(21, 74, 126)
hslhsl(210, 71%, 29%)
oklchoklch(0.404 0.103 251.8)
Closest name: Assassin (#2d4f83)Relative luminance 0.0656

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7e4a15

#157e7e · #15157e

#7e154a · #4a7e15

Split-complementary

Open in tool →

#7e1515 · #7e7e15

#7e157e · #7e4a15 · #157e15

Contrast

#154a7e as textRatioAAAA largeAAAFix
Aaon white
9.08:1passpasspassPasses AAA — no fix needed.
Aaon black
2.31:1failfailfail
  • AA: use #2378cd as the text (4.64:1)
  • AAA: use #559ce2 as the text (7.24:1)
  • AA: or shift the background to #b8b8b8 (4.58:1)
  • AAA: or shift the background to #e3e3e3 (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 #154a7e 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

#154a7e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #154a7e
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 #154a7e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/154a7e-9cabc4-df514e-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