Color

#100b93

#100b93
hex#100b93
rgbrgb(16, 11, 147)
hslhsl(242, 86%, 31%)
oklchoklch(0.313 0.199 267.7)
Closest name: Everlasting Night (#000099)Relative luminance 0.0246

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8f930b

#0b4b93 · #540b93

#93100b · #0b9310

Split-complementary

Open in tool →

#93540b · #4b930b

#930b4b · #8f930b · #0b9354

Contrast

#100b93 as textRatioAAAA largeAAAFix
Aaon white
14.08:1passpasspassPasses AAA — no fix needed.
Aaon black
1.49:1failfailfail
  • AA: use #6762f3 as the text (4.62:1)
  • AAA: use #918df6 as the text (7.34:1)
  • AA: or shift the background to #949494 (4.64:1)
  • AAA: or shift the background to #b8b8b8 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #100b93 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

#100b93 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #100b93
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 #100b93 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/100b93-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