Color
#03737d
#03737drgb(3, 115, 125)hsl(185, 95%, 25%)oklch(0.507 0.086 205.5)Colors that go with #03737d
Charcoal, Crimson and Amber 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 #03737d: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
complementaryshippedCrimson sits directly opposite #03737d on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Amber #ffbf00
shippedAmber is paired with #03737d in 4 real palettes, including Lemon Squeezy's brand system and Beach Hut, as the lead colour.
Blue #0000ff
shipped4 real palettes, including Warp's brand system and Activision's brand system put Blue beside #03737d, as the supporting colour.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #03737d: 6 real palettes, including Fintech Trust and Glacier, as the lead colour.
Copper #b87333
shippedDesigners have shipped Copper with #03737d: 5 real palettes, including Desert Road and Riverbed, as the lead colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #03737d: 4 real palettes, including Warp's brand system and Deep Water, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #03737d: 16 real palettes, including The New York Times's brand system and Discover's brand system, as the supporting colour.
Real palettes that use #03737d
Tints & shades
Harmonies
Contrast
| #03737d as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 5.6:1 | pass | pass | fail |
|
Aaon black | 3.75:1 | fail | pass | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #03737d as the background.
Brands using this color
Fonts for this mood
#03737d 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 #03737d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/03737d-a2b8be-df4e88-1f262d-e9f1ee?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