Color

#101d41

#101d41
hex#101d41
rgbrgb(16, 29, 65)
hslhsl(224, 60%, 16%)
oklchoklch(0.242 0.071 266.3)
Closest name: Nightwalker (#161d3b)Relative luminance 0.0137

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#413410

#103641 · #1c1041

#41101d · #1d4110

Split-complementary

Open in tool →

#411c10 · #364110

#411036 · #413410 · #10411c

Contrast

#101d41 as textRatioAAAA largeAAAFix
Aaon white
16.48:1passpasspassPasses AAA — no fix needed.
Aaon black
1.27:1failfailfail
  • AA: use #4b6fd2 as the text (4.5:1)
  • AAA: use #7893dd as the text (7.02:1)
  • AA: or shift the background to #878787 (4.59:1)
  • AAA: or shift the background to #ababab (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #101d41 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

#101d41 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #101d41
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #101d41 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/101d41-9ca2c4-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