Color

#100a67

#100a67
hex#100a67
rgbrgb(16, 10, 103)
hslhsl(244, 82%, 22%)
oklchoklch(0.252 0.148 271)
Closest name: Dying Storm Blue (#111166)Relative luminance 0.0131

Colors that go with #100a67

Charcoal, Steel Blue and Cobalt 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.

Real palettes that use #100a67

Tints & shades

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

Harmonies

Complementary

Open in tool →

#60660a

#0a3266 · #3e0a66

#66100a · #0a6610

Split-complementary

Open in tool →

#663e0a · #32660a

#660a32 · #60660a · #0a663e

Contrast

#100a67 as textRatioAAAA largeAAAFix
Aaon white
16.65:1passpasspassPasses AAA — no fix needed.
Aaon black
1.26:1failfailfail
  • AA: use #6b61ef as the text (4.58:1)
  • AAA: use #928bf4 as the text (7.22:1)
  • AA: or shift the background to #858585 (4.51:1)
  • AAA: or shift the background to #a8a8a8 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #100a67 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

#100a67 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #100a67
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 #100a67 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/100a67-a39cc4-dfa24e-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