Color

#055bcc

#055bcc
hex#055bcc
rgbrgb(5, 91, 204)
hslhsl(214, 95%, 41%)
oklchoklch(0.499 0.19 259)
Closest name: Denim (#1560bd)Relative luminance 0.1187

Colors that go with #055bcc

Charcoal, Crimson and Sienna 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 →

#cc7605

#05bfcc · #1205cc

#cc055b · #5bcc05

Split-complementary

Open in tool →

#cc1205 · #bfcc05

#cc05bf · #cc7605 · #05cc12

Contrast

#055bcc as textRatioAAAA largeAAAFix
Aaon white
6.22:1passpassfail
  • AAA: use #0552b8 as the text (7.23:1)
Aaon black
3.37:1failpassfail
  • AA: use #066df4 as the text (4.5:1)
  • AAA: use #4c98fa as the text (7.18:1)
  • AA: or shift the background to #dedede (4.63:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #055bcc as the background.

Brands using this color

Fonts for this mood

#055bcc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #055bcc
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 #055bcc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/055bcc-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