Color

#1a52ea

#1a52ea
hex#1a52ea
rgbrgb(26, 82, 234)
hslhsl(224, 83%, 51%)
oklchoklch(0.511 0.235 264)
Closest name: C64 Blue (#003aff)Relative luminance 0.1219

Colors that go with #1a52ea

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 →

#eab21a

#1ab9ea · #4b1aea

#ea1a52 · #52ea1a

Split-complementary

Open in tool →

#ea4b1a · #b9ea1a

#ea1ab9 · #eab21a · #1aea4b

Contrast

#1a52ea as textRatioAAAA largeAAAFix
Aaon white
6.11:1passpassfail
  • AAA: use #1448d7 as the text (7.15:1)
Aaon black
3.44:1failpassfail
  • AA: use #406eed as the text (4.67:1)
  • AAA: use #7395f2 as the text (7.31:1)
  • AA: or shift the background to #dedede (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1a52ea as the background.

Brands using this color

Fonts for this mood

#1a52ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1a52ea
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 #1a52ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1a52ea-9ca2c4-df724e-221f2d-e9eff1?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