Color

#1053b2

#1053b2
hex#1053b2
rgbrgb(16, 83, 178)
hslhsl(215, 84%, 38%)
oklchoklch(0.462 0.164 258.9)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.0951

Colors that go with #1053b2

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 →

#b26e10

#10a5b2 · #1d10b2

#b21053 · #53b210

Split-complementary

Open in tool →

#b21d10 · #a5b210

#b210a5 · #b26e10 · #10b21d

Contrast

#1053b2 as textRatioAAAA largeAAAFix
Aaon white
7.24:1passpasspassPasses AAA — no fix needed.
Aaon black
2.9:1failfailfail
  • AA: use #1971eb as the text (4.6:1)
  • AAA: use #5696f0 as the text (7.02:1)
  • AA: or shift the background to #cccccc (4.51:1)
  • AAA: or shift the background to #fcfcfc (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1053b2 as the background.

Brands using this color

Fonts for this mood

#1053b2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1053b2
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 #1053b2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1053b2-9ca8c4-df5d4e-201f2d-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