Color

#155f79

#155f79
hex#155f79
rgbrgb(21, 95, 121)
hslhsl(196, 70%, 28%)
oklchoklch(0.455 0.08 227)
Closest name: Blue Velvet (#0d6183)Relative luminance 0.0972

Tints & shades

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

Harmonies

Complementary

Open in tool →

#793015

#157962 · #152d79

#79155f · #5f7915

Split-complementary

Open in tool →

#79152d · #796215

#621579 · #793015 · #2d7915

Contrast

#155f79 as textRatioAAAA largeAAAFix
Aaon white
7.13:1passpasspassPasses AAA — no fix needed.
Aaon black
2.94:1failfailfail
  • AA: use #1d81a5 as the text (4.74:1)
  • AAA: use #25a2d0 as the text (7.16:1)
  • AA: or shift the background to #cfcfcf (4.58:1)
  • AAA: or shift the background to #ffffff (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #155f79 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

#155f79 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #155f79
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 #155f79 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/155f79-9cb5c4-df4e6e-1f232d-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