Color

#154c8e

#154c8e
hex#154c8e
rgbrgb(21, 76, 142)
hslhsl(213, 74%, 32%)
oklchoklch(0.42 0.123 255.7)
Closest name: Cascade Twilight (#234893)Relative luminance 0.0728

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8e5815

#15888e · #1b158e

#8e154c · #4c8e15

Split-complementary

Open in tool →

#8e1b15 · #888e15

#8e1588 · #8e5815 · #158e1b

Contrast

#154c8e as textRatioAAAA largeAAAFix
Aaon white
8.55:1passpasspassPasses AAA — no fix needed.
Aaon black
2.46:1failfailfail
  • AA: use #2074d9 as the text (4.56:1)
  • AAA: use #5b9ae6 as the text (7.21:1)
  • AA: or shift the background to #bdbdbd (4.55:1)
  • AAA: or shift the background to #ebebeb (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 #154c8e 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

#154c8e reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #154c8e
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 #154c8e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/154c8e-9ca9c4-df584e-1f202d-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