Color

#155ea2

#155ea2
hex#155ea2
rgbrgb(21, 94, 162)
hslhsl(209, 77%, 36%)
oklchoklch(0.476 0.129 251.7)
Closest name: Blue Chip (#1d5699)Relative luminance 0.1077

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a25915

#15a2a0 · #1517a2

#a2155e · #5ea215

Split-complementary

Open in tool →

#a21517 · #a2a015

#a015a2 · #a25915 · #17a215

Contrast

#155ea2 as textRatioAAAA largeAAAFix
Aaon white
6.66:1passpassfail
  • AAA: use #145999 as the text (7.2:1)
Aaon black
3.15:1failpassfail
  • AA: use #1b78d0 as the text (4.64:1)
  • AAA: use #4a9ce8 as the text (7.21:1)
  • AA: or shift the background to #d6d6d6 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #155ea2 as the background.

Brands using this color

Fonts for this mood

#155ea2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #155ea2
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 #155ea2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/155ea2-9cacc4-df4e4e-1f212d-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