Color
#137aaa
#137aaargb(19, 122, 170)hsl(199, 80%, 37%)oklch(0.549 0.113 236.2)Colors that go with #137aaa
Charcoal, Crimson and Royal 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 #137aaa: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
split-complementshippedCrimson is a split-complement of #137aaa: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Royal Blue #4169e1
analogousshippedRoyal Blue is #137aaa'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 #137aaa in 7 real palettes, including Lemon Squeezy's brand system and Wired's brand system, as the lead colour.
Blue #0000ff
shipped4 real palettes, including Pixar's brand system and Readymag's brand system put Blue beside #137aaa, as the accent.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #137aaa: 7 real palettes, including Glacier and Hershey's's brand system, as the accent.
Firebrick #b22222
shippedDesigners have shipped Firebrick with #137aaa: 4 real palettes, including Wendy's's brand system and AT&T's brand system, as the supporting colour.
Goldenrod #daa520
shippedGoldenrod shows up next to #137aaa in 4 real palettes, including Sapphire & Gold and Open House, as the supporting colour.
Real palettes that use #137aaa
Tints & shades
Harmonies
Contrast
| #137aaa as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.78:1 | pass | pass | fail |
|
Aaon black | 4.39:1 | 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 #137aaa as the background.
Brands using this color
Fonts for this mood
#137aaa reads as cool, vivid, technical. 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 #137aaa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/137aaa-9cb3c4-df4e66-1f232d-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