Bluetiful
#3c69e7
A blue that is saturated. It is mid — the hardest range to put text on, either colour struggles.
Hex
#3c69e7
RGB
60, 105, 231
OKLCh
56.2% 0.198 265.5°
CIELAB (D50)
46.9, 18.8, -69.8
What is true of this colour, and of no other
- 2 other named colours sit within ΔE00 2 of it.
- It uses 82% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 72.9; on black, Lc -28.8. 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 7.2 and 7.3 and 8.1 — no red cone.
Text on this colour
White text
4.81:1 — passes AA
Black text
4.37:1 — large text only
White text is the better of the two at4.81:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#3c69e7
protanopia
#6565e7 · ΔE00 7.2
deuteranopia
#5e5ee7 · ΔE00 7.3
tritanopia
#5656ff · ΔE00 8.1
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isRoyal Blue at ΔE00 0.701: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.
- Royal BlueΔE00 0.701 · #4169e1
- The Rainbow FishΔE00 1.932 · #4466ee
- Secret of ManaΔE00 2.074 · #4166f5
- Gentian FlowerΔE00 2.197 · #3366ff
- Han BlueΔE00 2.216 · #446ccf
- BluerocraticΔE00 2.255 · #1f66ff
- Retro BlueΔE00 2.287 · #2b62f4
- Heroic BlueΔE00 2.529 · #1166ff
- Bright BlueΔE00 2.759 · #0165fc
- Blue RibbonΔE00 2.782 · #0066ff
- God of RainΔE00 3.048 · #4466cc
- KyaniteΔE00 3.123 · #1560fb
7 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.