Color

#1154e4

#1154e4
hex#1154e4
rgbrgb(17, 84, 228)
hslhsl(221, 86%, 48%)
oklchoklch(0.508 0.227 262.7)
Closest name: Blue Ribbon (#0066ff)Relative luminance 0.1206

Colors that go with #1154e4

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 →

#e4a111

#11bde4 · #3811e4

#e41154 · #54e411

Split-complementary

Open in tool →

#e43811 · #bde411

#e411bd · #e4a111 · #11e438

Contrast

#1154e4 as textRatioAAAA largeAAAFix
Aaon white
6.15:1passpassfail
  • AAA: use #0f4bcc as the text (7.24:1)
Aaon black
3.41:1failpassfail
  • AA: use #336ff0 as the text (4.67:1)
  • AAA: use #6794f4 as the text (7.12:1)
  • AA: or shift the background to #dedede (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1154e4 as the background.

Brands using this color

Fonts for this mood

#1154e4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1154e4
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 #1154e4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1154e4-9ca4c4-df6b4e-211f2d-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