button · sample · Fable 5.1 · trial 082 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 04:55:42 UTC
wall	2.4s
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	1f1a30cd-cf8c-441c-ab9e-b86b8540d1aa

What the model said

`#2563EB` — a medium blue that works well for a primary button. It has enough contrast with white text (about 5.2:1, passing WCAG AA), and reads clearly as interactive on both light and dark backgrounds.

For a hover state, darken it to `#1D4ED8`.