Color

#154eb7

#154eb7
hex#154eb7
rgbrgb(21, 78, 183)
hslhsl(219, 79%, 40%)
oklchoklch(0.457 0.176 261.4)
Closest name: Denim (#2243b6)Relative luminance 0.0903

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b77e15

#159eb7 · #2e15b7

#b7154e · #4eb715

Split-complementary

Open in tool →

#b72e15 · #9eb715

#b7159e · #b77e15 · #15b72e

Contrast

#154eb7 as textRatioAAAA largeAAAFix
Aaon white
7.49:1passpasspassPasses AAA — no fix needed.
Aaon black
2.81:1failfailfail
  • AA: use #3271e7 as the text (4.65:1)
  • AAA: use #6494ed as the text (7:1)
  • AA: or shift the background to #c9c9c9 (4.52:1)
  • AAA: or shift the background to #fafafa (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #154eb7 as the background.

Brands using this color

Fonts for this mood

#154eb7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #154eb7
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 #154eb7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/154eb7-9ca5c4-df664e-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