Pacific Navy

#25488a

A blue that is muted. It is mid — the hardest range to put text on, either colour struggles.

Hex

#25488a

RGB

37, 72, 138

OKLCh

41.3% 0.117 261.7°

CIELAB (D50)

30.9, 5.9, -41.3

What is true of this colour, and of no other

  • 7 other named colours sit within ΔE00 2 of it.
  • It uses 63% of the chroma sRGB can show at this lightness and hue.
  • As text on white it measures APCA Lc 89.9; on black, Lc -12.3. The sign is the polarity, which the WCAG ratio discards.
  • Built into an eleven-step scale, 10 of the 10 adjacent pairs stay ΔE00 2 apart — see the ramp.
  • protanopia and deuteranopia and tritanopia shift it by ΔE00 7.8 and 7.6 and 8.0 — no red cone.

Text on this colour

White text

8.85:1 — passes AA

Black text

2.37:1 — fails AA

White text is the better of the two at8.85:1. That is enough for body text.

The same colour, with one cone missing

As you see it

#25488a

protanopia

#45458a · ΔE00 7.8

deuteranopia

#40408a · ΔE00 7.6

tritanopia

#3a3aa8 · ΔE00 8.0

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isIndigo Hamlet at ΔE00 0.888: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.

8 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.