Color

#101fbc

#101fbc
hex#101fbc
rgbrgb(16, 31, 188)
hslhsl(235, 84%, 40%)
oklchoklch(0.384 0.232 266.1)
Closest name: mediumblue (#0000cd)Relative luminance 0.0472

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bcad10

#1074bc · #5810bc

#bc101f · #1fbc10

Split-complementary

Open in tool →

#bc5810 · #74bc10

#bc1074 · #bcad10 · #10bc58

Contrast

#101fbc as textRatioAAAA largeAAAFix
Aaon white
10.8:1passpasspassPasses AAA — no fix needed.
Aaon black
1.94:1failfailfail
  • AA: use #5b67f1 as the text (4.66:1)
  • AAA: use #858ef4 as the text (7.17:1)
  • AA: or shift the background to #a8a8a8 (4.54:1)
  • AAA: or shift the background to #d1d1d1 (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 #101fbc 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

#101fbc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #101fbc
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 #101fbc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/101fbc-9e9cc4-df8d4e-241f2d-e9eef1?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