Queen Blue

#436b95

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

Hex

#436b95

RGB

67, 107, 149

OKLCh

51.7% 0.081 250.7°

CIELAB (D50)

43.7, -4.8, -27.7

What is true of this colour, and of no other

  • 5 other named colours sit within ΔE00 2 of it.
  • It uses 54% of the chroma sRGB can show at this lightness and hue.
  • As text on white it measures APCA Lc 77.7; on black, Lc -24.1. 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 12.3 and 11.5 and 9.5 — no red cone.

Text on this colour

White text

5.56:1 — passes AA

Black text

3.78:1 — large text only

White text is the better of the two at5.56:1. That is enough for body text.

The same colour, with one cone missing

As you see it

#436b95

protanopia

#676795 · ΔE00 12.3

deuteranopia

#616195 · ΔE00 11.5

tritanopia

#5a5ac7 · ΔE00 9.5

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isPostwar Boom at ΔE00 1.54: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.

  • Postwar BoomΔE00 1.54 · #466f97
  • Star SapphireΔE00 1.68 · #3c6a9d
  • Honky Tonk BlueΔE00 1.714 · #446a8d
  • Snake RiverΔE00 1.758 · #45698c
  • Too BlueΔE00 1.992 · #3d6695
  • National AnthemΔE00 2.125 · #3f6f98
  • RiversideΔE00 2.298 · #4e6f95
  • Summerday BlueΔE00 2.433 · #376698
  • Blue Ribbon BeautyΔE00 2.552 · #3e6490
  • Rainy LakeΔE00 2.565 · #3f6c8f
  • French Mirage BlueΔE00 2.594 · #446688
  • Wickford BayΔE00 2.659 · #4f6c8f

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