# #276baa

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

## Values

- Hex: `#276baa`
- RGB: rgb(39, 107, 170)
- HSL: hsl(209, 63%, 41%)
- OKLCH: oklch(0.517 0.121 250)
- Relative luminance: 0.1385
- Nearest named color: Brilliant Blue (#0075b3, Δ 2.944) — https://brandsweets.com/colors/brilliant-blue
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/276baa

## Tints & shades

- Tints (toward white): #2c7ac3, #3787d2, #5096d7, #69a5dd, #82b4e3, #97c1e7, #b0d0ed, #c9dff3, #deebf7, #f7fafd
- Shades (toward black): #23609a, #20598d, #1c4e7d, #19446c, #163c60, #12314f, #0e273e, #0a1d2e, #081521, #040a11

## Harmonies

- Complementary: #aa6627
- Analogous: #27aaa8, #2729aa
- Triadic: #aa276b, #6baa27
- Split-complementary: #aa2729, #aaa827
- Tetradic: #a827aa, #aa6627, #29aa27

## Colors that go with #276baa

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 #276baa: softer than #000 and cool enough to feel like part of the same palette. Seen in: Amazon (https://brandsweets.com/colors/brands/amazon-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Starlink (https://brandsweets.com/colors/brands/starlink-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #276baa — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), State Farm (https://brandsweets.com/colors/brands/statefarm-com), Wendy's (https://brandsweets.com/colors/brands/wendys-com), Costco (https://brandsweets.com/colors/brands/costco-com). — https://brandsweets.com/colors/crimson
- **Rust** #b7410e [harmony, pool: split] — Rust is a split-complement of #276baa: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Etsy (https://brandsweets.com/colors/brands/etsy-com), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Wayfair (https://brandsweets.com/colors/brands/wayfair-com), Semrush (https://brandsweets.com/colors/brands/semrush-com). — https://brandsweets.com/colors/rust
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #276baa 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 #276baa in 8 real palettes, including McDonald's's brand system and Lemon Squeezy's brand system, as the lead colour. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 8 real palettes, including Activision's brand system and Pixar's brand system put Blue beside #276baa, as the accent. Seen in: Activision (https://brandsweets.com/colors/brands/activision-com), Pixar (https://brandsweets.com/colors/brands/pixar-com), Tesco (https://brandsweets.com/colors/brands/tesco-com), CVS (https://brandsweets.com/colors/brands/cvs-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #276baa: 9 real palettes, including Glacier and Fintech Trust, as the accent. Seen in: Glacier (https://brandsweets.com/palettes/cool#glacier), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), General Mills (https://brandsweets.com/colors/brands/generalmills-com), Intel (https://brandsweets.com/colors/brands/intel-com). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #276baa: 5 real palettes, including Coca-Cola's brand system and Gopro's brand system, as the supporting colour. Seen in: Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Gopro (https://brandsweets.com/colors/brands/gopro-com), NBA (https://brandsweets.com/colors/brands/nba-com), Webflow (https://brandsweets.com/colors/brands/webflow-com). — https://brandsweets.com/colors/cornflowerblue

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

- On white (#ffffff): 5.57:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #215b91 (7.07:1)
- On black (#000000): 3.77:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #2b78bf (4.54:1); AA: background → #e8e8e8 (4.55:1); AAA: text → #599bd9 (7.12:1)

## Brands using this color

- **British Airways** — secondary #3468ad (Δ 1.369) — https://brandsweets.com/colors/brands/britishairways-com
- **McDonald's** — accent #006bae (Δ 1.559) — https://brandsweets.com/colors/brands/mcdonalds-com
- **Discover** — secondary #1e71ac (Δ 1.673) — https://brandsweets.com/colors/brands/discover-com
- **Activision** — secondary #0768af (Δ 1.938) — https://brandsweets.com/colors/brands/activision-com

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- 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/276baa-9cacc4-df4e4e-1f212d-e9f1f1?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: "#276baa" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.