Canadian Tuxedo

#579aca

A blue that is muted. It is light — black text sits on it comfortably, white text does not.

Hex

#579aca

RGB

87, 154, 202

OKLCh

66.1% 0.099 241.5°

CIELAB (D50)

60.7, -11.4, -31.8

What is true of this colour, and of no other

  • 5 other named colours sit within ΔE00 2 of it.
  • It uses 64% of the chroma sRGB can show at this lightness and hue.
  • As text on white it measures APCA Lc 57.2; on black, Lc -44.6. 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 17.2 and 16.3 and 14.7 — no red cone.

Text on this colour

White text

3.05:1 — large text only

Black text

6.88:1 — passes AA

Black text is the better of the two at6.88:1. That is enough for body text.

As text on white, it needs to change

#397cab is the nearest colour of the same hue that passes AA on white, at 4.50:1. Only the lightness moved.

Try it against your own background

The same colour, with one cone missing

As you see it

#579aca

protanopia

#9494ca · ΔE00 17.2

deuteranopia

#8b8bcb · ΔE00 16.3

tritanopia

#7f7fff · ΔE00 14.7

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isTall Waves at ΔE00 0.891: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.

  • Tall WavesΔE00 0.891 · #5c9bcc
  • Blue IguanaΔE00 0.969 · #539ccc
  • Blueberry Soft BlueΔE00 1.845 · #5e96c3
  • Blue ParadiseΔE00 1.876 · #5095c3
  • Picton BlueΔE00 1.883 · #5ba0d0
  • Blue TourmalineΔE00 2.069 · #4997d0
  • Blessed BlueΔE00 2.109 · #4499cc
  • TantaliseΔE00 2.314 · #669ccb
  • Perfect SkyΔE00 2.395 · #4596cf
  • Sub-ZeroΔE00 2.499 · #57a1ce
  • Mountain BluebirdΔE00 2.615 · #4c98c2
  • Winter LakeΔE00 2.651 · #5c97cf

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