# #255dd4

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

## Values

- Hex: `#255dd4`
- RGB: rgb(37, 93, 212)
- HSL: hsl(221, 70%, 49%)
- OKLCH: oklch(0.516 0.193 262.7)
- Relative luminance: 0.1298
- Nearest named color: Denim (#1560bd, Δ 3.857) — https://brandsweets.com/colors/denim
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/255dd4

## Tints & shades

- Tints (toward white): #386cdc, #4d7ce0, #638ce3, #799ce7, #8eaceb, #a0b9ee, #b5c9f2, #cbd9f6, #e1e9fa, #f6f9fd
- Shades (toward black): #2255c3, #1f4cad, #1c449c, #183b86, #153375, #112a5f, #0e224e, #0a1938, #071127, #030811

## Harmonies

- Complementary: #d49d25
- Analogous: #25b4d4, #4625d4
- Triadic: #d4255d, #5dd425
- Split-complementary: #d44625, #b4d425
- Tetradic: #d425b4, #d49d25, #25d446

## Colors that go with #255dd4

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 #255dd4: softer than #000 and cool enough to feel like part of the same palette. Seen in: UEFA (https://brandsweets.com/colors/brands/uefa-com), Campus (https://brandsweets.com/palettes/friendly#campus), Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #255dd4 in 9 real palettes, including NBA's brand system and Wikipedia's brand system, as the lead colour. Seen in: NBA (https://brandsweets.com/colors/brands/nba-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Walmart (https://brandsweets.com/colors/brands/walmart-com), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 15 real palettes, including Pixar's brand system and Headspace's brand system put Blue beside #255dd4, as the accent. Seen in: Pixar (https://brandsweets.com/colors/brands/pixar-com), Headspace (https://brandsweets.com/colors/brands/headspace-com), BBC (https://brandsweets.com/colors/brands/bbc-com), Zillow (https://brandsweets.com/colors/brands/zillow-com). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #255dd4: 8 real palettes, including NBA's brand system and Gopro's brand system, as the accent. Seen in: NBA (https://brandsweets.com/colors/brands/nba-com), Gopro (https://brandsweets.com/colors/brands/gopro-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Webflow (https://brandsweets.com/colors/brands/webflow-com). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #255dd4 in 18 real palettes, including Foot Locker's brand system and Netflix's brand system, as the supporting colour. Seen in: Foot Locker (https://brandsweets.com/colors/brands/footlocker-com), Netflix (https://brandsweets.com/colors/brands/netflix), Ulta Beauty (https://brandsweets.com/colors/brands/ulta-com), Chase (https://brandsweets.com/colors/brands/chase-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #255dd4: 8 real palettes, including Venmo's brand system and Elastic's brand system, as the supporting colour. Seen in: Venmo (https://brandsweets.com/colors/brands/venmo-com), Elastic (https://brandsweets.com/colors/brands/elastic-co), Calm (https://brandsweets.com/colors/brands/calm-com), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/deepskyblue
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #255dd4: 8 real palettes, including HashiCorp's brand system and Coursera's brand system, as the supporting colour. Seen in: HashiCorp (https://brandsweets.com/colors/brands/hashicorp-com), Coursera (https://brandsweets.com/colors/brands/coursera-org), Apple (https://brandsweets.com/colors/brands/apple-com), ASUS (https://brandsweets.com/colors/brands/asus-com). — https://brandsweets.com/colors/dodgerblue
- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #255dd4's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: American Express (https://brandsweets.com/colors/brands/americanexpress-com), Discover (https://brandsweets.com/colors/brands/discover-com), Telegram (https://brandsweets.com/colors/brands/telegram-org). — https://brandsweets.com/colors/steelblue

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

- On white (#ffffff): 5.84:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #2152ba (7.05:1)
- On black (#000000): 3.6:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #3c6fdd (4.51:1); AA: background → #e3e3e3 (4.55:1); AAA: text → #7095e6 (7.13:1)

## Brands using this color

- **Philips** — secondary #0b5ed7 (Δ 1.201) — https://brandsweets.com/colors/brands/philips-com
- **YouTube** — accent #065fd4 (Δ 1.273) — https://brandsweets.com/colors/brands/youtube-com
- **Box** — primary #0061d5 (Δ 1.511) — https://brandsweets.com/colors/brands/box-com
- **Box** — secondary #0061d5 (Δ 1.511) — https://brandsweets.com/colors/brands/box-com
- **Strava** — accent #0060d0 (Δ 1.639) — https://brandsweets.com/colors/brands/strava-com
- **HashiCorp** — primary #2264d6 (Δ 1.717) — https://brandsweets.com/colors/brands/hashicorp-com
- **HashiCorp** — accent #2264d6 (Δ 1.717) — https://brandsweets.com/colors/brands/hashicorp-com
- **ElevenLabs** — accent #0a59d2 (Δ 1.827) — https://brandsweets.com/colors/brands/elevenlabs-io
- **Square** — secondary #005ad9 (Δ 1.939) — https://brandsweets.com/colors/brands/squareup-com
- **Nissan** — accent #005fcc (Δ 1.987) — https://brandsweets.com/colors/brands/nissanusa-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/255dd4-9ca4c4-df6b4e-211f2d-e9eff1?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: "#255dd4" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.