Dragonfly

#314a76

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

Hex

#314a76

RGB

49, 74, 118

OKLCh

41.1% 0.080 261.1°

CIELAB (D50)

31.1, 1.2, -28.6

What is true of this colour, and of no other

  • 8 other named colours sit within ΔE00 2 of it.
  • It uses 45% of the chroma sRGB can show at this lightness and hue.
  • As text on white it measures APCA Lc 90.1; on black, Lc -12.1. 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 7.7 and 7.3 and 6.7 — 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

#314a76

protanopia

#484876 · ΔE00 7.7

deuteranopia

#444476 · ΔE00 7.3

tritanopia

#3f3f94 · ΔE00 6.7

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isSailboat at ΔE00 0.77: 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.