Color

#101ad5

#101ad5
hex#101ad5
rgbrgb(16, 26, 213)
hslhsl(237, 86%, 45%)
oklchoklch(0.411 0.262 265.7)
Closest name: Brutally Blue (#0022dd)Relative luminance 0.0565

Colors that go with #101ad5

Charcoal, Crimson and Cornflower 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 →

#d5cc10

#107dd5 · #6910d5

#d5101a · #1ad510

Split-complementary

Open in tool →

#d56910 · #7dd510

#d5107d · #d5cc10 · #10d569

Contrast

#101ad5 as textRatioAAAA largeAAAFix
Aaon white
9.86:1passpasspassPasses AAA — no fix needed.
Aaon black
2.13:1failfailfail
  • AA: use #5e65f3 as the text (4.63:1)
  • AAA: use #888ef6 as the text (7.25:1)
  • AA: or shift the background to #b0b0b0 (4.54:1)
  • AAA: or shift the background to #dbdbdb (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #101ad5 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

#101ad5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #101ad5
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 #101ad5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/101ad5-9f9cc4-df924e-251f2d-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