Color
#154fac
#154facrgb(21, 79, 172)hsl(217, 78%, 38%)oklch(0.45 0.16 260)Colors that go with #154fac
Charcoal, Crimson and Steel 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #154fac: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
triadicshippedCrimson completes a triad with #154fac — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Steel Blue #4682b4
analogousshippedSteel Blue is #154fac's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Amber #ffbf00
shippedAmber is paired with #154fac in 5 real palettes, including Warner Bros.'s brand system and Wikipedia's brand system, as the accent.
Blue #0000ff
shipped6 real palettes, including CVS's brand system and Procter & Gamble's brand system put Blue beside #154fac, as the supporting colour.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #154fac: 5 real palettes, including Blue Mono and Gopro's brand system, as the supporting colour.
Firebrick #b22222
shippedDesigners have shipped Firebrick with #154fac: 5 real palettes, including Nissan's brand system and Campbell's's brand system, as the supporting colour.
Light Sky Blue #87cefa
shippedLight Sky Blue is paired with #154fac in 4 real palettes, including 1password's brand system and PayPal's brand system, as the supporting colour.
Real palettes that use #154fac
Tints & shades
Harmonies
Contrast
| #154fac as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.65:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.75:1 | fail | fail | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #154fac as the background.
Brands using this color
Fonts for this mood
#154fac reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
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.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #154fac and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/154fac-9ca7c4-df624e-201f2d-e9f0f1?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md