# #0a8fcd

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

## Values

- Hex: `#0a8fcd`
- RGB: rgb(10, 143, 205)
- HSL: hsl(199, 91%, 42%)
- OKLCH: oklch(0.618 0.136 238.3)
- Relative luminance: 0.2412
- Nearest named color: Blue Burst (#309cd0, Δ 4.143) — https://brandsweets.com/colors/blue-burst
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/0a8fcd

## Tints & shades

- Tints (toward white): #0ba3ea, #1aaff4, #37b9f6, #50c2f7, #6dccf8, #8ad6f9, #a2dffb, #c0e9fc, #d8f1fd, #f5fcff
- Shades (toward black): #0981b9, #0874a6, #076997, #065c84, #054e70, #04415d, #033349, #03293a, #021b27, #010e13

## Harmonies

- Complementary: #cd470a
- Analogous: #0acda9, #0a2dcd
- Triadic: #cd0a8f, #8fcd0a
- Split-complementary: #cd0a2d, #cda90a
- Tetradic: #a90acd, #cd470a, #2dcd0a

## Colors that go with #0a8fcd

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 #0a8fcd: softer than #000 and cool enough to feel like part of the same palette. Seen in: Auth0 (https://brandsweets.com/colors/brands/auth0-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Lido (https://brandsweets.com/palettes/vivid#lido), Disney (https://brandsweets.com/colors/brands/disney-com). — https://brandsweets.com/colors/charcoal
- **Red** #ff0000 [harmony, pool: split] — Red is a split-complement of #0a8fcd: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Wired (https://brandsweets.com/colors/brands/wired-com), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com), Nike (https://brandsweets.com/colors/brands/nike-com), Databricks (https://brandsweets.com/colors/brands/databricks-com). — https://brandsweets.com/colors/red
- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #0a8fcd's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Elastic (https://brandsweets.com/colors/brands/elastic-co), HashiCorp (https://brandsweets.com/colors/brands/hashicorp-com), Confluent (https://brandsweets.com/colors/brands/confluent-io), OnePlus (https://brandsweets.com/colors/brands/oneplus-com). — https://brandsweets.com/colors/royalblue
- **Copper** #b87333 [harmony, pool: complementary] — Copper sits directly opposite #0a8fcd on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Notion (https://brandsweets.com/colors/brands/notion), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/copper
- **Amber** #ffbf00 [pool] — Amber is paired with #0a8fcd in 11 real palettes, including Beach Hut and Wired's brand system, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Wired (https://brandsweets.com/colors/brands/wired-com), Google (https://brandsweets.com/colors/brands/google-com), Heatwave (https://brandsweets.com/palettes/warm#heatwave). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 9 real palettes, including Readymag's brand system and Qualcomm's brand system put Blue beside #0a8fcd, as the supporting colour. Seen in: Readymag (https://brandsweets.com/colors/brands/readymag-com), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Unity (https://brandsweets.com/colors/brands/unity-com), Cargo (https://brandsweets.com/colors/brands/cargo-site). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #0a8fcd: 8 real palettes, including Hershey's's brand system and Glacier, as the supporting colour. Seen in: Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Glacier (https://brandsweets.com/palettes/cool#glacier), General Mills (https://brandsweets.com/colors/brands/generalmills-com), Intel (https://brandsweets.com/colors/brands/intel-com). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #0a8fcd in 10 real palettes, including NASCAR's brand system and Retro Pop, as the supporting colour. Seen in: NASCAR (https://brandsweets.com/colors/brands/nascar-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Wendy's (https://brandsweets.com/colors/brands/wendys-com), State Farm (https://brandsweets.com/colors/brands/statefarm-com). — https://brandsweets.com/colors/crimson

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

- On white (#ffffff): 3.61:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #087eb4 (4.51:1); AA: background → #1f1f1f (4.57:1); AAA: text → #065c84 (7.31:1)
- On black (#000000): 5.82:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #0ba0e5 (7.17:1)

## Brands using this color

- **Telegram** — secondary #318fd3 (Δ 1.762) — https://brandsweets.com/colors/brands/telegram-org

## 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/0a8fcd-9cb3c4-df4e66-1f232d-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: "#0a8fcd" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.