Color

#100f67

#100f67
hex#100f67
rgbrgb(16, 15, 103)
hslhsl(241, 75%, 23%)
oklchoklch(0.257 0.144 270.6)
Closest name: Dying Storm Blue (#111166)Relative luminance 0.0143

Colors that go with #100f67

Charcoal, Steel Blue and Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#65670f

#0f3967 · #3c0f67

#67100f · #0f6710

Split-complementary

Open in tool →

#673c0f · #39670f

#670f39 · #65670f · #0f673c

Contrast

#100f67 as textRatioAAAA largeAAAFix
Aaon white
16.33:1passpasspassPasses AAA — no fix needed.
Aaon black
1.29:1failfailfail
  • AA: use #6563e9 as the text (4.51:1)
  • AAA: use #8d8bee as the text (7.06:1)
  • AA: or shift the background to #878787 (4.54:1)
  • AAA: or shift the background to #ababab (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #100f67 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

#100f67 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #100f67
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #100f67 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/100f67-a19cc4-df9b4e-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