Fintech Trust
Open in tool →Navy signals custody and stability; the green accent is money moving the right way. No red anywhere except errors.
Color
#153c99
#153c99
hex
#153c99rgb
rgb(21, 60, 153)hsl
hsl(222, 76%, 34%)oklch
oklch(0.393 0.158 263.5)Closest name: Depths of Night (#2c319b)Relative luminance 0.0569
Colors that go with #153c99
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 #153c99: softer than #000 and cool enough to feel like part of the same palette.
Steel Blue #4682b4
analogousshippedSteel Blue is #153c99's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Blue #0000ff
shipped7 real palettes, including Procter & Gamble's brand system and CVS's brand system put Blue beside #153c99, as the supporting colour.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #153c99: 4 real palettes, including Blue Mono and Gopro's brand system, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #153c99 in 13 real palettes, including Walgreens's brand system and Casper Sleep's brand system, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #153c99: 14 real palettes, including Warbyparker's brand system and Unilever's brand system, as the accent.
Firebrick #b22222
shippedDesigners have shipped Firebrick with #153c99: 6 real palettes, including MLB's brand system and 3M's brand system, as the supporting colour.
Midnight Blue #191970
shipped18 real palettes, including Fintech Trust and Blue Mono put Midnight Blue beside #153c99, as that palette's text colour.
Real palettes that use #153c99
Tints & shades
Harmonies
Contrast
| #153c99 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 9.82:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.14:1 | 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 #153c99 as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#153c99 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #153c99
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #153c99 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/153c99-9ca3c4-df6e4e-211f2d-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