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Lush Lepidolite

#3747b9
Notes

Lush Lepidolite (#3747B9) is a true blue with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (233°, 54%, 47%) places it in the balanced band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. For a confident two-color system, pair it with its complementary amber. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#3747b9
RGB
rgb(55, 71, 185)
HSL
hsl(233, 54%, 47%)
HWB
hwb(233 22% 27%)
OKLCH
oklch(45.8% 0.179 271.3)
P3
color(display-p3 0.2283 0.2766 0.6993)
HSV
hsv(233, 70%, 73%)
LAB
lab(35.64% 32.26 -62.05)
LCH
lch(35.64% 69.93 297.47)
CMYK
cmyk(70%, 62%, 0%, 27%)

Etymology

Lush
adjective

Middle English lush, possibly from lascious, lascivious — a word that drifted from sensual ripeness toward visual abundance. Used as a color word since the eighteenth century for the saturated greens of well-watered foliage and the deep saturated jewel tones of velvet upholstery. Used across the deep and bold buckets where the hue is simultaneously dark and vivid.

Lepidolite
noun

Lithium-bearing potassium mica — pink-to-violet from manganese substitution, sourced from Newry, Maine, and Tanco, Manitoba. The mineral was the Soviet space program's primary lithium source. Lepidolite color refers to a Newry lepidolite booklet on its native pegmatite matrix: a saturated, slightly cool deep blue-violet with the silvery finish of foliated mica with lithium-substitution-induced violet coloration in the cleavage planes.

Closest matches

The nearest named color in three reference sources, ranked by perceptual distance (ΔE76 in CIELAB). ΔE < 1 is imperceptible to most viewers; ΔE > 10 is clearly different. When two sources point to the same hex they’re merged into one tile; click any to open that color’s page.

Variations

Click any swatch to explore

Harmonies

Accessibility

Color-vision simulation

How this color appears to viewers with the four major color-vision-deficiency types. Computed via the Machado (2009) physiologically-based model. If a tile matches the original, the color reads the same to that viewer.

#3747b9
Original
#005abd
Protanopia
#004eb7
Deuteranopia
#006479
Tritanopia
#4c4c4c
Achromatopsia
WCAG contrast

The color used as foreground text against pure white and pure black, with the contrast ratio and WCAG 2.1 grade. Aim for AA (4.5:1) for body text and AA Large (3:1) for 18 pt+ headlines; AAA (7:1) is the gold standard for long-form reading surfaces.

The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAAon White
7.60:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
Failon Black
2.76:1

Wide gamut

Display P3 representation

The CSS Color 4 wide-gamut form of this color. Both swatches render the same color on every display — the P3 form only diverges from sRGB when a designer pushes channels outside sRGB's reach.

sRGB hex
sRGB hex
##3747B9
Display P3
Display P3
color(display-p3 0.2283 0.2766 0.6993)
P3 has subtle headroomOKLCH chroma 0.179

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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