# #234db8

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

## Values

- Hex: `#234db8`
- RGB: rgb(35, 77, 184)
- HSL: hsl(223, 68%, 43%)
- OKLCH: oklch(0.46 0.176 264.3)
- Relative luminance: 0.0913
- Nearest named color: Cobalt Blue (#0047ab, Δ 3.429) — https://brandsweets.com/colors/cobalt
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/234db8

## Tints & shades

- Tints (toward white): #2858d2, #3a67d9, #547bde, #698be2, #839fe7, #98b0eb, #b2c4f0, #c7d4f4, #e1e8f9, #f6f8fd
- Shades (toward black): #2046a7, #1d3f96, #193885, #163174, #142b67, #102456, #0d1d45, #0a1633, #070e22, #030711

## Harmonies

- Complementary: #b88e23
- Analogous: #2398b8, #4323b8
- Triadic: #b8234d, #4db823
- Split-complementary: #b84323, #98b823
- Tetradic: #b82398, #b88e23, #23b843

## Colors that go with #234db8

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 #234db8: softer than #000 and cool enough to feel like part of the same palette. Seen in: UEFA (https://brandsweets.com/colors/brands/uefa-com), Hasbro (https://brandsweets.com/colors/brands/hasbro-com), Campus (https://brandsweets.com/palettes/friendly#campus), HP (https://brandsweets.com/colors/brands/hp-com). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #234db8 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Intel (https://brandsweets.com/colors/brands/intel-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Netflix (https://brandsweets.com/colors/brands/netflix), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com). — https://brandsweets.com/colors/seagreen
- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #234db8'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), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Glacier (https://brandsweets.com/palettes/cool#glacier), Hershey's (https://brandsweets.com/colors/brands/hersheys-com). — https://brandsweets.com/colors/steelblue
- **Amber** #ffbf00 [pool] — Amber is paired with #234db8 in 6 real palettes, including Warner Bros.'s brand system and Walmart's brand system, as the accent. Seen in: Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), Walmart (https://brandsweets.com/colors/brands/walmart-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 9 real palettes, including Tesco's brand system and Zillow's brand system put Blue beside #234db8, as the supporting colour. Seen in: Tesco (https://brandsweets.com/colors/brands/tesco-com), Zillow (https://brandsweets.com/colors/brands/zillow-com), CVS (https://brandsweets.com/colors/brands/cvs-com), Pixar (https://brandsweets.com/colors/brands/pixar-com). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #234db8: 7 real palettes, including Gopro's brand system and Blue Mono, as the supporting colour. Seen in: Gopro (https://brandsweets.com/colors/brands/gopro-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #234db8 in 16 real palettes, including Chase's brand system and Target : Expect More. Pay Less.'s brand system, as the accent. Seen in: Chase (https://brandsweets.com/colors/brands/chase-com), Target : Expect More. Pay Less. (https://brandsweets.com/colors/brands/target-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Costco (https://brandsweets.com/colors/brands/costco-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #234db8: 5 real palettes, including Venmo's brand system and Kraken's brand system, as the supporting colour. Seen in: Venmo (https://brandsweets.com/colors/brands/venmo-com), Kraken (https://brandsweets.com/colors/brands/kraken-com), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Calm (https://brandsweets.com/colors/brands/calm-com). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 7.43:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.83:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #4771dc (4.66:1); AA: background → #cccccc (4.63:1); AAA: text → #7695e5 (7.2:1); AAA: background → #fafafa (7.12:1)

## Brands using this color

- **Etsy** — accent #254ec1 (Δ 1.472) — https://brandsweets.com/colors/brands/etsy-com
- **Panasonic** — accent #1953b4 (Δ 1.675) — https://brandsweets.com/colors/brands/panasonic-com
- **Airtable** — primary #254fad (Δ 1.857) — https://brandsweets.com/colors/brands/airtable-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/234db8-9ca3c4-df704e-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: "#234db8" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.