Color

#1a70cb

#1a70cb
hex#1a70cb
rgbrgb(26, 112, 203)
hslhsl(211, 77%, 45%)
oklchoklch(0.547 0.161 254.2)
Closest name: God of Rain (#4466cc)Relative luminance 0.1612

Colors that go with #1a70cb

Charcoal, Crimson and Amber 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 →

#cb761a

#1ac8cb · #1d1acb

#cb1a70 · #70cb1a

Split-complementary

Open in tool →

#cb1d1a · #c8cb1a

#cb1ac8 · #cb761a · #1acb1d

Contrast

#1a70cb as textRatioAAAA largeAAAFix
Aaon white
4.97:1passpassfail
  • AAA: use #1559a2 as the text (7.04:1)
Aaon black
4.22:1failpassfail
  • AA: use #1c75d4 as the text (4.54:1)
  • AAA: use #4f99e8 as the text (7.05:1)
  • AA: or shift the background to #f5f5f5 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1a70cb as the background.

Brands using this color

Fonts for this mood

#1a70cb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1a70cb
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 #1a70cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1a70cb-9cabc4-df534e-1f202d-e9f1f1?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