OKLCH Studio · color reference

rose-400 in OKLCH

Tailwind v4 rose-400: oklch(0.712 0.194 13.4), HEX #FF637E. WCAG + APCA pairs, Fix deep links, and @theme snippet.

rose-400 sits in the mid-light range — useful for secondary surfaces and large display type after a contrast check.

#FF637E · oklch(0.712 0.194 13.4)

Contrast pairs

WCAG 2.1 normal text + APCA Lc. Open a pair in the live Fix tool — informational only, not a legal audit.

Text on white2.86:1 · Fail · Lc 54
#FF637E on #FFFFFF
Open in Contrast →
White on swatchnot a suggestion2.86:1 · Fail · Lc 59
#FFFFFF on #FF637E
Demo of a common fail — not a suggestion.
Open in Contrast →
Black on swatch7.34:1 · AAA · Lc 50
#000000 on #FF637E
Open in Contrast →
Fix → AA on white4.51:1 · AA · Lc 70
#D8395B on #FFFFFF
Open in Contrast →
Suggested text on swatch6.79:1 · AA · Lc 50
#0D0D0D on #FF637E
Open in Contrast →

Against #121212: This stop already passes AA as text on #121212 (6.55:1).

@theme {
  --color-rose-400: oklch(0.712 0.194 13.4);
}

Static reference — the live Fix tool uses the same WCAG math with Undo and share links.