Seven Seas
#4a5c6a
A blue that is nearly neutral — the hue shows only against a true grey. It is mid — the hardest range to put text on, either colour struggles.
Hex
#4a5c6a
RGB
74, 92, 106
OKLCh
46.5% 0.032 241.8°
CIELAB (D50)
38.0, -4.4, -10.4
What is true of this colour, and of no other
- 5 other named colours sit within ΔE00 2 of it.
- It uses only 29% of the chroma available at this lightness and hue — there is a far more vivid version of this colour inside sRGB.
- As text on white it measures APCA Lc 84.0; on black, Lc -18.0. 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 9.2 and 9.8 and 12.6 — no red cone.
Text on this colour
White text
6.93:1 — passes AA
Black text
3.03:1 — large text only
White text is the better of the two at6.93:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#4a5c6a
protanopia
#5a5a6a · ΔE00 9.2
deuteranopia
#57576a · ΔE00 9.8
tritanopia
#54548b · ΔE00 12.6
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isShot Over at ΔE00 0.482: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.
- Shot OverΔE00 0.482 · #4a5c69
- Ragtime BluesΔE00 0.953 · #4a5e6c
- Trekking BlueΔE00 1.499 · #4e606d
- Tetsu IronΔE00 1.762 · #455765
- HarbourΔE00 1.904 · #495867
- Seal BlueΔE00 2.218 · #475663
- Blackthorn BlueΔE00 2.274 · #4c606b
- Flapper DanceΔE00 2.284 · #495762
- Sheet BlueΔE00 2.329 · #52616f
- Saxon BlueΔE00 2.468 · #435965
- English ChannelΔE00 2.479 · #4e6173
- Lithic SandΔE00 2.622 · #53626e
12 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.