Color

#151e70

#151e70
hex#151e70
rgbrgb(21, 30, 112)
hslhsl(234, 68%, 26%)
oklchoklch(0.294 0.139 269.9)
Closest name: midnightblue (#191970)Relative luminance 0.0226

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6f6615

#154b6f · #39156f

#6f151e · #1e6f15

Split-complementary

Open in tool →

#6f3915 · #4b6f15

#6f154b · #6f6615 · #156f39

Contrast

#151e70 as textRatioAAAA largeAAAFix
Aaon white
14.47:1passpasspassPasses AAA — no fix needed.
Aaon black
1.45:1failfailfail
  • AA: use #5c69e0 as the text (4.55:1)
  • AAA: use #8791e8 as the text (7.25:1)
  • AA: or shift the background to #919191 (4.59:1)
  • AAA: or shift the background to #b5b5b5 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #151e70 as the background.

Brands using this color

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

Fonts for this mood

#151e70 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #151e70
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 #151e70 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/151e70-9d9cc4-df8a4e-241f2d-e9eef1?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