Color

#154fd5

#154fd5
hex#154fd5
rgbrgb(21, 79, 213)
hslhsl(222, 82%, 46%)
oklchoklch(0.485 0.214 263.1)
Closest name: Denim (#1560bd)Relative luminance 0.1056

Colors that go with #154fd5

Crimson, Medium Sea Green and Midnight 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.

Real palettes that use #154fd5

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d59c15

#15afd5 · #3c15d5

#d5154f · #4fd515

Split-complementary

Open in tool →

#d53c15 · #afd515

#d515af · #d59c15 · #15d53c

Contrast

#154fd5 as textRatioAAAA largeAAAFix
Aaon white
6.75:1passpassfail
  • AAA: use #144bcc as the text (7.22:1)
Aaon black
3.11:1failpassfail
  • AA: use #376deb as the text (4.55:1)
  • AAA: use #6a93f0 as the text (7.04:1)
  • AA: or shift the background to #d4d4d4 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #154fd5 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

#154fd5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #154fd5
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 #154fd5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/154fd5-9ca3c4-df6e4e-211f2d-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