Color
#1f2575
#1f2575rgb(31, 37, 117)hsl(236, 58%, 29%)oklch(0.318 0.135 272.6)Colors that go with #1f2575
Charcoal, Steel Blue and 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 #1f2575: softer than #000 and cool enough to feel like part of the same palette.
Steel Blue #4682b4
analogousshippedSteel Blue is #1f2575's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Blue #0000ff
shippedBlue is paired with #1f2575 in 6 real palettes, including Pepsi's brand system and Alaska Airlines's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Crimson #dc143c
shippedCrimson is paired with #1f2575 in 5 real palettes, including Casper Sleep's brand system and Nintendo's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Deep Sky Blue #00bfff
shippedDeep Sky Blue is paired with #1f2575 in 4 real palettes, including Kraken's brand system and Deep Water, as the accent — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #1f2575 in 11 real palettes, including Bank of America's brand system and Hasbro's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Light Sea Green #20b2aa
shippedLight Sea Green is paired with #1f2575 in 4 real palettes, including Confluent's brand system and Ford's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Orange Red #ff4500
shippedOrange Red is paired with #1f2575 in 4 real palettes, including Tide's brand system and Tumblr's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #1f2575
Tints & shades
Harmonies
Contrast
| #1f2575 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 13.29:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.58:1 | 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 #1f2575 as the background.
Brands using this color
Fonts for this mood
#1f2575 reads as cool, dark, luxury. 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 #1f2575 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/1f2575-9e9cc4-df8f4e-241f2d-e9eef1?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