Color

#155d7a

#155d7a
hex#155d7a
rgbrgb(21, 93, 122)
hslhsl(197, 71%, 28%)
oklchoklch(0.45 0.082 230.5)
Closest name: Blue Velvet (#0d6183)Relative luminance 0.0939

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7a3115

#157a64 · #152b7a

#7a155d · #5d7a15

Split-complementary

Open in tool →

#7a152b · #7a6415

#64157a · #7a3115 · #2b7a15

Contrast

#155d7a as textRatioAAAA largeAAAFix
Aaon white
7.3:1passpasspassPasses AAA — no fix needed.
Aaon black
2.88:1failfailfail
  • AA: use #1c7fa6 as the text (4.64:1)
  • AAA: use #23a0d1 as the text (7.02:1)
  • AA: or shift the background to #cccccc (4.54:1)
  • AAA: or shift the background to #fcfcfc (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #155d7a 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

#155d7a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #155d7a
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 #155d7a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/155d7a-9cb4c4-df4e6b-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