Color

#1372d8

#1372d8
hex#1372d8
rgbrgb(19, 114, 216)
hslhsl(211, 84%, 46%)
oklchoklch(0.559 0.176 255.3)
Closest name: Royal Blue (#4169e1)Relative luminance 0.1713

Colors that go with #1372d8

Charcoal, Crimson and Copper 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 →

#d87913

#13d5d8 · #1613d8

#d81372 · #72d813

Split-complementary

Open in tool →

#d81613 · #d5d813

#d813d5 · #d87913 · #13d816

Contrast

#1372d8 as textRatioAAAA largeAAAFix
Aaon white
4.74:1passpassfail
  • AAA: use #0e57a4 as the text (7.2:1)
Aaon black
4.43:1failpassfail
  • AA: use #1374dd as the text (4.57:1)
  • AAA: use #4899ef as the text (7.08:1)
  • AA: or shift the background to #fafafa (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 #1372d8 as the background.

Brands using this color

Fonts for this mood

#1372d8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1372d8
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 #1372d8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1372d8-9cabc4-df534e-1f202d-e9f1f1?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