Color

#103d98

#103d98
hex#103d98
rgbrgb(16, 61, 152)
hslhsl(220, 81%, 33%)
oklchoklch(0.393 0.157 262.2)
Closest name: Depths of Night (#2c319b)Relative luminance 0.0571

Colors that go with #103d98

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 →

#986b10

#108298 · #271098

#98103d · #3d9810

Split-complementary

Open in tool →

#982710 · #829810

#981082 · #986b10 · #109827

Contrast

#103d98 as textRatioAAAA largeAAAFix
Aaon white
9.8:1passpasspassPasses AAA — no fix needed.
Aaon black
2.14:1failfailfail
  • AA: use #3471ea as the text (4.7:1)
  • AAA: use #6794ef as the text (7.06:1)
  • AA: or shift the background to #b0b0b0 (4.52:1)
  • AAA: or shift the background to #dbdbdb (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #103d98 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#103d98 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #103d98
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 #103d98 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/103d98-9ca5c4-df694e-211f2d-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