Color

#0d4ef2

#0d4ef2
hex#0d4ef2
rgbrgb(13, 78, 242)
hslhsl(223, 90%, 50%)
oklchoklch(0.51 0.251 263.5)
Closest name: C64 Blue (#003aff)Relative luminance 0.1195

Colors that go with #0d4ef2

Charcoal, Crimson and Amber 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 →

#f2b10d

#0dc1f2 · #3e0df2

#f20d4e · #4ef20d

Split-complementary

Open in tool →

#f23e0d · #c1f20d

#f20dc1 · #f2b10d · #0df23e

Contrast

#0d4ef2 as textRatioAAAA largeAAAFix
Aaon white
6.2:1passpassfail
  • AAA: use #0b46da as the text (7.23:1)
Aaon black
3.39:1failpassfail
  • AA: use #346af4 as the text (4.51:1)
  • AAA: use #6e95f7 as the text (7.31:1)
  • AA: or shift the background to #dedede (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d4ef2 as the background.

Brands using this color

Fonts for this mood

#0d4ef2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d4ef2
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 #0d4ef2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d4ef2-9ca3c4-df704e-211f2d-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