Color

#0454be

#0454be
hex#0454be
rgbrgb(4, 84, 190)
hslhsl(214, 96%, 38%)
oklchoklch(0.473 0.18 259)
Closest name: Denim (#1560bd)Relative luminance 0.1008

Colors that go with #0454be

Charcoal, Crimson and Steel Blue 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 →

#be6d04

#04b2be · #1004be

#be0454 · #54be04

Split-complementary

Open in tool →

#be1004 · #b2be04

#be04b2 · #be6d04 · #04be10

Contrast

#0454be as textRatioAAAA largeAAAFix
Aaon white
6.96:1passpassfail
  • AAA: use #0452b9 as the text (7.21:1)
Aaon black
3.02:1failpassfail
  • AA: use #056df5 as the text (4.51:1)
  • AAA: use #4b97fb as the text (7.12:1)
  • AA: or shift the background to #d1d1d1 (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 #0454be as the background.

Brands using this color

Fonts for this mood

#0454be reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0454be
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 #0454be and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0454be-9ca9c4-df5a4e-1f1f2d-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