Color
#02253b
#02253brgb(2, 37, 59)hsl(203, 93%, 12%)oklch(0.253 0.057 241.5)Colors that go with #02253b
Charcoal, Royal Blue and Rust 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 #02253b: softer than #000 and cool enough to feel like part of the same palette.
Royal Blue #4169e1
analogousshippedRoyal Blue is #02253b's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Rust #b7410e
split-complementshippedRust is a split-complement of #02253b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Sienna #a0522d
complementaryshippedSienna sits directly opposite #02253b on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Teal #008080
analogousshippedTeal is #02253b'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 #02253b in 7 real palettes, including Beach Hut and Blueprint, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Blue #0000ff
shippedBlue is paired with #02253b in 5 real palettes, including Monzo's brand system and Readymag's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Blue Violet #8a2be2
shippedBlue Violet is paired with #02253b in 5 real palettes, including ClickUp's brand system and Klarna US's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #02253b
Tints & shades
Harmonies
Contrast
| #02253b as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 15.79:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.33:1 | 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 #02253b as the background.
Brands using this color
Fonts for this mood
#02253b 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 #02253b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/02253b-9cb0c4-df4e5d-1f222d-e9f1f0?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