# #135f72

A color — cool, vivid, dark, technical, modern, luxury, bold. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#135f72`
- RGB: rgb(19, 95, 114)
- HSL: hsl(192, 71%, 26%)
- OKLCH: oklch(0.451 0.075 219.4)
- Relative luminance: 0.0954
- Nearest named color: Atlantis (#336172, Δ 2.488) — https://brandsweets.com/colors/atlantis
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/135f72

## Tints & shades

- Tints (toward white): #187890, #1e91ae, #23afd1, #3bbdde, #59c7e3, #78d2e8, #96dced, #b9e8f3, #d8f2f8, #f6fcfe
- Shades (toward black): #125769, #105060, #0e4553, #0d3e4a, #0b3741, #0a2f39, #082830, #061d23, #04161a, #030f11

## Harmonies

- Complementary: #712613
- Analogous: #137155, #132f71
- Triadic: #71135f, #5f7113
- Split-complementary: #71132f, #715513
- Tetradic: #551371, #712613, #2f7113

## Colors that go with #135f72

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Crimson** #dc143c [harmony, pool: split] — Crimson is a split-complement of #135f72: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Costco (https://brandsweets.com/colors/brands/costco-com), Wendy's (https://brandsweets.com/colors/brands/wendys-com). — https://brandsweets.com/colors/crimson
- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #135f72's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Capital One (https://brandsweets.com/colors/brands/capitalone-com), Auth0 (https://brandsweets.com/colors/brands/auth0-com), American Express (https://brandsweets.com/colors/brands/americanexpress-com), Discover (https://brandsweets.com/colors/brands/discover-com). — https://brandsweets.com/colors/steelblue
- **Rust** #b7410e [harmony, pool: complementary] — Rust sits directly opposite #135f72 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), IHG (https://brandsweets.com/colors/brands/ihg-com). — https://brandsweets.com/colors/rust
- **Blue** #0000ff [pool] — 7 real palettes, including Tesco's brand system and Alaska Airlines's brand system put Blue beside #135f72, as the supporting colour. Seen in: Tesco (https://brandsweets.com/colors/brands/tesco-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), CVS (https://brandsweets.com/colors/brands/cvs-com), Rolex (https://brandsweets.com/colors/brands/rolex-com). — https://brandsweets.com/colors/blue
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #135f72: 4 real palettes, including Open House and Alpine, as the supporting colour. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house), Alpine (https://brandsweets.com/palettes/cool#alpine), Dusk (https://brandsweets.com/palettes/cool#dusk), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine). — https://brandsweets.com/colors/cadetblue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #135f72: 4 real palettes, including Lamborghini's brand system and Warp's brand system, as the supporting colour. Seen in: Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Venmo (https://brandsweets.com/colors/brands/venmo-com), Deep Water (https://brandsweets.com/palettes/dark#deep-water). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #135f72: 16 real palettes, including HP's brand system and The New York Times's brand system, as the accent. Seen in: HP (https://brandsweets.com/colors/brands/hp-com), The New York Times (https://brandsweets.com/colors/brands/nytimes-com), Dutch Bros (https://brandsweets.com/colors/brands/dutchbros-com), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/denim
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #135f72: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy. — https://brandsweets.com/colors/whitesmoke

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 7.22:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.91:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #1a7f99 (4.54:1); AA: background → #cfcfcf (4.64:1); AAA: text → #21a4c4 (7.17:1); AAA: background → #fcfcfc (7.04:1)

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern
- luxury: https://brandsweets.com/fonts/mood/luxury
- bold: https://brandsweets.com/fonts/mood/bold

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/135f72-a2b5be-df4e77-1f242d-e9f1ef?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#135f72" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.