Color

#100ba2

#100ba2
hex#100ba2
rgbrgb(16, 11, 162)
hslhsl(242, 87%, 34%)
oklchoklch(0.333 0.215 267)
Closest name: Cobalt (#030aa7)Relative luminance 0.0296

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9da20b

#0b52a2 · #5c0ba2

#a2100b · #0ba210

Split-complementary

Open in tool →

#a25c0b · #52a20b

#a20b52 · #9da20b · #0ba25c

Contrast

#100ba2 as textRatioAAAA largeAAAFix
Aaon white
13.19:1passpasspassPasses AAA — no fix needed.
Aaon black
1.59:1failfailfail
  • AA: use #6762f4 as the text (4.63:1)
  • AAA: use #908df7 as the text (7.34:1)
  • AA: or shift the background to #999999 (4.63:1)
  • AAA: or shift the background to #bdbdbd (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #100ba2 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

#100ba2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #100ba2
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 #100ba2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/100ba2-a29cc4-df9e4e-261f2d-e9edf1?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