Mississippi River
#3b638c
A blue that is muted. It is mid — the hardest range to put text on, either colour struggles.
Hex
#3b638c
RGB
59, 99, 140
OKLCh
48.9% 0.080 250.3°
CIELAB (D50)
40.4, -4.7, -27.4
What is true of this colour, and of no other
- 12 other named colours sit within ΔE00 2 of it — this part of the space is crowded, and the names here are finer distinctions than most people make.
- It uses 58% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 81.1; on black, Lc -20.8. 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 11.6 and 9.6 — no red cone.
Text on this colour
White text
6.27:1 — passes AA
Black text
3.35:1 — large text only
White text is the better of the two at6.27:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#3b638c
protanopia
#5f5f8c · ΔE00 12.3
deuteranopia
#59598c · ΔE00 11.6
tritanopia
#5252bd · ΔE00 9.6
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isBlue Ribbon Beauty at ΔE00 1.055: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- Blue Ribbon BeautyΔE00 1.055 · #3e6490
- Winter PalaceΔE00 1.26 · #41638a
- Blue BeretΔE00 1.394 · #40638e
- Luxurious BlueΔE00 1.583 · #365f8c
- Too BlueΔE00 1.671 · #3d6695
- Functional BlueΔE00 1.713 · #3f6086
- Make-Up BlueΔE00 1.74 · #335f8d
- Bay SiteΔE00 1.744 · #325f8a
- Atlantic SchoonerΔE00 1.809 · #3b5f83
- Running WaterΔE00 1.834 · #326193
- Teeny BikiniΔE00 1.837 · #326395
- Moroccan ResortΔE00 1.943 · #335e8b
12 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.