Color

#1875e7

#1875e7
hex#1875e7
rgbrgb(24, 117, 231)
hslhsl(213, 81%, 50%)
oklchoklch(0.577 0.191 257)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.1869

Colors that go with #1875e7

Charcoal, Crimson and Copper 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 →

#e78a18

#18dce7 · #2318e7

#e71875 · #75e718

Split-complementary

Open in tool →

#e72318 · #dce718

#e718dc · #e78a18 · #18e723

Contrast

#1875e7 as textRatioAAAA largeAAAFix
Aaon white
4.43:1failpassfail
  • AA: use #1873e2 as the text (4.58:1)
  • AAA: use #1257ab as the text (7.05:1)
  • AA: or shift the background to #080808 (4.52:1)
Aaon black
4.74:1passpassfail
  • AAA: use #5499ed as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1875e7 as the background.

Brands using this color

Fonts for this mood

#1875e7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1875e7
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 #1875e7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1875e7-9ca9c4-df584e-1f202d-e9f0f1?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