# #276fd3

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

## Values

- Hex: `#276fd3`
- RGB: rgb(39, 111, 211)
- HSL: hsl(215, 69%, 49%)
- OKLCH: oklch(0.553 0.17 257.8)
- Relative luminance: 0.165
- Nearest named color: God of Rain (#4466cc, Δ 3.028) — https://brandsweets.com/colors/god-of-rain
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/276fd3

## Tints & shades

- Tints (toward white): #397cdb, #4e8adf, #6499e3, #79a7e6, #8fb5ea, #a0c0ee, #b6cff2, #cbddf6, #e1ebf9, #f6f9fd
- Shades (toward black): #2466c2, #205aac, #1c519b, #194686, #153d74, #11325f, #0e294e, #0a1d38, #071427, #030911

## Harmonies

- Complementary: #d38b27
- Analogous: #27c5d3, #3527d3
- Triadic: #d3276f, #6fd327
- Split-complementary: #d33527, #c5d327
- Tetradic: #d327c5, #d38b27, #27d335

## Colors that go with #276fd3

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 #276fd3: softer than #000 and cool enough to feel like part of the same palette. Seen in: Disney (https://brandsweets.com/colors/brands/disney-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 #276fd3 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com), Foot Locker (https://brandsweets.com/colors/brands/footlocker-com), State Farm (https://brandsweets.com/colors/brands/statefarm-com), NASCAR (https://brandsweets.com/colors/brands/nascar-com). — https://brandsweets.com/colors/crimson
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #276fd3 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 #276fd3 in 11 real palettes, including Walmart's brand system and Wikipedia's brand system, as the accent. Seen in: Walmart (https://brandsweets.com/colors/brands/walmart-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), NBA (https://brandsweets.com/colors/brands/nba-com), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 16 real palettes, including BBC's brand system and Pixar's brand system put Blue beside #276fd3, as the accent. Seen in: BBC (https://brandsweets.com/colors/brands/bbc-com), Pixar (https://brandsweets.com/colors/brands/pixar-com), EA (https://brandsweets.com/colors/brands/ea-com), Headspace (https://brandsweets.com/colors/brands/headspace-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #276fd3: 13 real palettes, including Intel's brand system and Carrefour's brand system, as the lead colour. Seen in: Intel (https://brandsweets.com/colors/brands/intel-com), Carrefour (https://brandsweets.com/colors/brands/carrefour-com), Unilever (https://brandsweets.com/colors/brands/unilever-com), General Mills (https://brandsweets.com/colors/brands/generalmills-com). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #276fd3: 6 real palettes, including NBA's brand system and Coca-Cola's brand system, as the accent. Seen in: NBA (https://brandsweets.com/colors/brands/nba-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Webflow (https://brandsweets.com/colors/brands/webflow-com), Gopro (https://brandsweets.com/colors/brands/gopro-com). — https://brandsweets.com/colors/cornflowerblue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #276fd3: 7 real palettes, including Astro's brand system and Venmo's brand system, as the supporting colour. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Venmo (https://brandsweets.com/colors/brands/venmo-com), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Elastic (https://brandsweets.com/colors/brands/elastic-co). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 4.88:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #1e56a4 (7.19:1)
- On black (#000000): 4.3:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #2c74d8 (4.6:1); AA: background → #f7f7f7 (4.56:1); AAA: text → #6499e3 (7.21:1)

## Brands using this color

- **Subaru** — secondary #1971d4 (Δ 0.755) — https://brandsweets.com/colors/brands/subaru-com
- **Pizza Hut** — accent #266dcc (Δ 1.169) — https://brandsweets.com/colors/brands/pizzahut-com
- **American Express** — accent #006fcf (Δ 1.555) — https://brandsweets.com/colors/brands/americanexpress-com
- **Walmart** — secondary #0071dc (Δ 1.77) — https://brandsweets.com/colors/brands/walmart-com
- **Dell** — accent #0672cb (Δ 1.946) — https://brandsweets.com/colors/brands/dell-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/276fd3-9ca8c4-df5d4e-201f2d-e9f0f1?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: "#276fd3" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.