Rough Basin behind the Shifting

#66637a RGB(102,99,122)

About this color

Rough Basin behind the Shifting carries its coordinates at #66637a: a medium-dark blue with muted saturation.

#66637aRGB(102, 99, 122)

HSL 248° · 10% saturation · 43% lightness

🧠

Psychology

Mid blue dominates corporate and tech branding precisely because it reads as dependable without being cold.

🏛️

History

In Japanese aesthetics, blue — particularly indigo — has been a central colour for centuries: the slow-dyed textiles of Tokushima remain prized for their depth and permanence.

✏️

Design use

Practically, this medium-dark blue is comfortable as brand accents, data visualisation series, and illustrative elements. Its middle lightness gives it presence on both white and dark backgrounds.

🎭

Colour pairings

For palette building, this blue pairs naturally with warm neutrals — tawny beiges, soft terracottas, aged brass — which amplify its cool character by contrast. Analogous blue-violets and blue-greens give a more cohesive, tonal result.

⚖️ Contrast checker👁 Colour blindness🌈 Gradient🎨 Colour mixer

Color formats

Name
Rough Basin behind the Shifting
HEX
#66637a
RGB
rgb(102,99,122)
RGB%
rgb(40%,38.8%,47.8%)
HSL
hsl(248,10%,43%)
HSV
hsv(248,19%,48%)
CMYK
cmyk(16,19,0,52)
LAB
lab(43,6,-12)
LCH
lch(43,13,297)
sRGB
(0.4,0.388,0.478)
HEX8
#66637aff
CSS Name
Decimal
102099122

Similar colors

Color variants

Color info

Lightness
43%
Saturation
10%
Hue
248°
Chroma
13
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

Share