Color

#2357e7

#2357e7
hex#2357e7
rgbrgb(35, 87, 231)
hslhsl(224, 80%, 52%)
oklchoklch(0.52 0.224 264.4)
Closest name: Blue Ribbon (#0066ff)Relative luminance 0.1294

Colors that go with #2357e7

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 →

#e7b223

#23b9e7 · #5023e7

#e72357 · #57e723

Split-complementary

Open in tool →

#e75023 · #b9e723

#e723b9 · #e7b223 · #23e750

Contrast

#2357e7 as textRatioAAAA largeAAAFix
Aaon white
5.85:1passpassfail
  • AAA: use #174ad3 as the text (7.1:1)
Aaon black
3.59:1failpassfail
  • AA: use #3e6cea as the text (4.54:1)
  • AAA: use #7192ef as the text (7.06:1)
  • AA: or shift the background to #e3e3e3 (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 #2357e7 as the background.

Brands using this color

Fonts for this mood

#2357e7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2357e7
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 #2357e7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2357e7-9ca2c4-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