# #215fa6

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

## Values

- Hex: `#215fa6`
- RGB: rgb(33, 95, 166)
- HSL: hsl(212, 67%, 39%)
- OKLCH: oklch(0.484 0.13 254.5)
- Relative luminance: 0.1126
- Nearest named color: Blasphemous Blue (#3356aa, Δ 2.819) — https://brandsweets.com/colors/blasphemous-blue
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/215fa6

## Tints & shades

- Tints (toward white): #266ec0, #2e7cd6, #488cdb, #619ce0, #7bace5, #90bae9, #aacaee, #c3daf3, #ddeaf8, #f6fafd
- Shades (toward black): #1e5899, #1b4e88, #18477b, #153d6a, #13365e, #0f2c4d, #0d2540, #091b2f, #071322, #030a11

## Harmonies

- Complementary: #a66821
- Analogous: #21a2a6, #2521a6
- Triadic: #a6215f, #5fa621
- Split-complementary: #a62521, #a2a621
- Tetradic: #a621a2, #a66821, #21a625

## Colors that go with #215fa6

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 #215fa6: softer than #000 and cool enough to feel like part of the same palette. Seen in: Amazon (https://brandsweets.com/colors/brands/amazon-com), Hasbro (https://brandsweets.com/colors/brands/hasbro-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #215fa6 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Costco (https://brandsweets.com/colors/brands/costco-com), Target : Expect More. Pay Less. (https://brandsweets.com/colors/brands/target-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Chase (https://brandsweets.com/colors/brands/chase-com). — https://brandsweets.com/colors/crimson
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #215fa6 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 #215fa6 in 8 real palettes, including McDonald's's brand system and Warner Bros.'s brand system, as the lead colour. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 7 real palettes, including Activision's brand system and Tesco's brand system put Blue beside #215fa6, 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
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #215fa6: 4 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), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono). — https://brandsweets.com/colors/cornflowerblue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #215fa6: 4 real palettes, including Venmo's brand system and Deep Water, as the supporting colour. Seen in: Venmo (https://brandsweets.com/colors/brands/venmo-com), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Astro (https://brandsweets.com/colors/brands/astro-build), Telegram (https://brandsweets.com/colors/brands/telegram-org). — https://brandsweets.com/colors/deepskyblue
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #215fa6: 5 real palettes, including Venmo's brand system and Apple's brand system, as the lead colour. Seen in: Venmo (https://brandsweets.com/colors/brands/venmo-com), Apple (https://brandsweets.com/colors/brands/apple-com), HashiCorp (https://brandsweets.com/colors/brands/hashicorp-com), Coursera (https://brandsweets.com/colors/brands/coursera-org). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 6.46:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #1e5899 (7.21:1)
- On black (#000000): 3.25:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #2875cc (4.51:1); AA: background → #d9d9d9 (4.57:1); AAA: text → #5d9adf (7.15:1)

## Brands using this color

- **Amazon** — accent #2162a1 (Δ 1.282) — https://brandsweets.com/colors/brands/amazon-com
- **Slack** — primary #1264a3 (Δ 1.651) — https://brandsweets.com/colors/brands/slack-com
- **Slack** — accent #1264a3 (Δ 1.651) — https://brandsweets.com/colors/brands/slack-com
- **Costco** — secondary #005daa (Δ 1.654) — https://brandsweets.com/colors/brands/costco-com
- **Ikea** — accent #045ca4 (Δ 1.68) — https://brandsweets.com/colors/brands/ikea-com
- **Costco** — accent #005dab (Δ 1.717) — https://brandsweets.com/colors/brands/costco-com
- **American Express** — secondary #005dae (Δ 1.971) — https://brandsweets.com/colors/brands/americanexpress-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/215fa6-9caac4-df564e-1f202d-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: "#215fa6" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.