Color

#154be0

#154be0
hex#154be0
rgbrgb(21, 75, 224)
hslhsl(224, 83%, 48%)
oklchoklch(0.489 0.232 264)
Closest name: C64 Blue (#003aff)Relative luminance 0.1057

Colors that go with #154be0

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.

Real palettes that use #154be0

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#e0aa15

#15b1e0 · #4415e0

#e0154b · #4be015

Split-complementary

Open in tool →

#e04415 · #b1e015

#e015b1 · #e0aa15 · #15e044

Contrast

#154be0 as textRatioAAAA largeAAAFix
Aaon white
6.74:1passpassfail
  • AAA: use #1448d7 as the text (7.15:1)
Aaon black
3.11:1failpassfail
  • AA: use #406eed as the text (4.67:1)
  • AAA: use #7395f2 as the text (7.31:1)
  • AA: or shift the background to #d4d4d4 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #154be0 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#154be0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #154be0
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 #154be0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/154be0-9ca2c4-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