# #276d90

A color — cool, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#276d90`
- RGB: rgb(39, 109, 144)
- HSL: hsl(200, 57%, 36%)
- OKLCH: oklch(0.507 0.088 234.3)
- Relative luminance: 0.1338
- Nearest named color: Chill of the Night (#256d8d, Δ 0.527) — https://brandsweets.com/colors/chill-of-the-night
- Moods: cool, modern
- Page: https://brandsweets.com/colors/276d90

## Tints & shades

- Tints (toward white): #2e7fa8, #3592c0, #4ba2ce, #63aed4, #7bbbdb, #93c7e1, #abd4e8, #c7e2f0, #dfeef6, #f7fbfd
- Shades (toward black): #246484, #215b78, #1d4f68, #19465c, #163d50, #133444, #0f2a38, #0b1e28, #08151c, #040c10

## Harmonies

- Complementary: #904a27
- Analogous: #27907f, #273990
- Triadic: #90276d, #6d9027
- Split-complementary: #902739, #907f27
- Tetradic: #7f2790, #904a27, #399027

## Colors that go with #276d90

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

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #276d90: softer than #000 and cool enough to feel like part of the same palette. Seen in: Amazon (https://brandsweets.com/colors/brands/amazon-com), Harbour (https://brandsweets.com/palettes/cool#harbour), Gusto (https://brandsweets.com/colors/brands/gusto-com), Campus (https://brandsweets.com/palettes/friendly#campus). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: split] — Crimson is a split-complement of #276d90: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Wendy's (https://brandsweets.com/colors/brands/wendys-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Redfin (https://brandsweets.com/colors/brands/redfin-com). — https://brandsweets.com/colors/crimson
- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #276d90's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Stripe (https://brandsweets.com/colors/brands/stripe), Motorola (https://brandsweets.com/colors/brands/motorola-com), Xbox (https://brandsweets.com/colors/brands/xbox-com), Slate Workspace (https://brandsweets.com/palettes/minimal#slate-workspace). — https://brandsweets.com/colors/royalblue
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #276d90 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Dyson (https://brandsweets.com/colors/brands/dyson-com). — https://brandsweets.com/colors/sienna
- **Amber** #ffbf00 [pool] — Amber is paired with #276d90 in 8 real palettes, including Lemon Squeezy's brand system and McDonald's's brand system, as the lead colour. Seen in: Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Wired (https://brandsweets.com/colors/brands/wired-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 4 real palettes, including Activision's brand system and Tesco's brand system put Blue beside #276d90, as the accent. Seen in: Activision (https://brandsweets.com/colors/brands/activision-com), Tesco (https://brandsweets.com/colors/brands/tesco-com), Pixar (https://brandsweets.com/colors/brands/pixar-com), CVS (https://brandsweets.com/colors/brands/cvs-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #276d90: 7 real palettes, including Fintech Trust and Glacier, as the lead colour. Seen in: Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Glacier (https://brandsweets.com/palettes/cool#glacier), Hershey's (https://brandsweets.com/colors/brands/hersheys-com), General Mills (https://brandsweets.com/colors/brands/generalmills-com). — https://brandsweets.com/colors/cobalt
- **Copper** #b87333 [pool] — Designers have shipped Copper with #276d90: 4 real palettes, including Dusk and Desert Road, as the accent. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Desert Road (https://brandsweets.com/palettes/warm#desert-road), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/copper

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

- On white (#ffffff): 5.71:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #225e7c (7.09:1)
- On black (#000000): 3.68:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #2d7ca4 (4.53:1); AA: background → #e6e6e6 (4.58:1); AAA: text → #47a0cd (7.18:1)

## Brands using this color

- **The New York Times** — accent #326891 (Δ 1.658) — https://brandsweets.com/colors/brands/nytimes-com

## Curated palettes containing it

- **Alpine** (cool, clean, light) — #1f6f8b, #7fa2b6, #e76f51, #f5f8fa, #15222e — Glacier blue with a safety-orange accent: technical outdoor gear, not lifestyle. — tool: https://brandsweets.com/palettes/new/1f6f8b-7fa2b6-e76f51-f5f8fa-15222e — collection: https://brandsweets.com/palettes/cool

## Fonts for this mood

- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/276d90-9cb2c4-df4e64-1f232d-e9f1f0?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: "#276d90" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.