Color

#15529d

#15529d
hex#15529d
rgbrgb(21, 82, 157)
hslhsl(213, 76%, 35%)
oklchoklch(0.445 0.136 256.3)
Closest name: Blue Chip (#1d5699)Relative luminance 0.0863

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9d6015

#15969d · #1c159d

#9d1552 · #529d15

Split-complementary

Open in tool →

#9d1c15 · #969d15

#9d1596 · #9d6015 · #159d1c

Contrast

#15529d as textRatioAAAA largeAAAFix
Aaon white
7.7:1passpasspassPasses AAA — no fix needed.
Aaon black
2.73:1failfailfail
  • AA: use #1e73dc as the text (4.54:1)
  • AAA: use #5999e8 as the text (7.15:1)
  • AA: or shift the background to #c7c7c7 (4.56:1)
  • AAA: or shift the background to #f5f5f5 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #15529d 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

#15529d reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #15529d
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 #15529d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/15529d-9ca9c4-df584e-1f202d-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