button · sample · Fable 5.1 · trial 027 of 100

the answer

#2563eb

model	Fable 5.1 claude-fable-5-1
effort	low
profile	room
cli version	2.1.283
started	2026-10-04 04:52:46 UTC
wall	2.5s
cost	$0.0062
turns	1
output tokens	95
thinking blocks	0
tool / bash / edit calls	0 / 0 / 0
denials	0
answer form	framed
rule met	yes
session	9250c1c4-e3d8-4622-9fb4-e4e854729393

What the model said

`#2563EB` — a strong, accessible blue. It works well as a primary button color: white text on it passes WCAG AA contrast (about 5.2:1), and it reads clearly as interactive on both light and dark backgrounds.

For hover, darken to `#1D4ED8`.