Color

#0e40c8

#0e40c8
hex#0e40c8
rgbrgb(14, 64, 200)
hslhsl(224, 87%, 42%)
oklchoklch(0.445 0.215 263.9)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0793

Colors that go with #0e40c8

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 →

#c8970e

#0e9dc8 · #390ec8

#c80e40 · #40c80e

Split-complementary

Open in tool →

#c8390e · #9dc80e

#c80e9d · #c8970e · #0ec839

Contrast

#0e40c8 as textRatioAAAA largeAAAFix
Aaon white
8.12:1passpasspassPasses AAA — no fix needed.
Aaon black
2.59:1failfailfail
  • AA: use #3b6cf1 as the text (4.6:1)
  • AAA: use #7093f5 as the text (7.18:1)
  • AA: or shift the background to #c2c2c2 (4.56:1)
  • AAA: or shift the background to #f0f0f0 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0e40c8 as the background.

Brands using this color

Fonts for this mood

#0e40c8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0e40c8
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 #0e40c8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0e40c8-9ca2c4-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