Color
#001d6b
#001d6brgb(0, 29, 107)hsl(224, 100%, 21%)oklch(0.278 0.139 262.9)Colors that go with #001d6b
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 #001d6b: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
triadicshippedCrimson completes a triad with #001d6b — 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 #001d6b's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Blue #0000ff
shipped4 real palettes, including Monzo's brand system and Penpot's brand system put Blue beside #001d6b, as the accent.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #001d6b: 6 real palettes, including SoFi's brand system and Open House, as the supporting colour.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #001d6b: 7 real palettes, including Purina Pro Plan's brand system and Blue Mono, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #001d6b: 15 real palettes, including Bank of America's brand system and Panasonic's brand system, as the accent.
Powder Blue #b0e0e6
shippedDesigners have shipped Powder Blue with #001d6b: 4 real palettes, including Glacier and First Snow, as the supporting colour.
Real palettes that use #001d6b
Tints & shades
Harmonies
Contrast
| #001d6b as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 15.13:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.39:1 | 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 #001d6b as the background.
Brands using this color
Fonts for this mood
#001d6b reads as cool, vivid, dark. 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 #001d6b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/001d6b-9ca2c4-df724e-221f2d-e9eff1?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