Certain Bay under Rounding

#66add6 RGB(102,173,214)

About this color

Certain Bay under Rounding settles into a medium blue territory with a vivid quality that feels cool — captured at #66add6, RGB(102, 173, 214).

#66add6RGB(102, 173, 214)

HSL 202° · 58% saturation · 62% lightness

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Psychology

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

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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.

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Design use

In design terms, a mid-toned blue like this handles brand accents, data visualisation series, and illustrative elements. Its middle lightness gives it presence on both white and dark backgrounds.

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Colour pairings

Looking at colour relationships, 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.

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Color Categories

Color formats

Name
Certain Bay under Rounding
HEX
#66add6
RGB
rgb(102,173,214)
RGB%
rgb(40%,67.8%,83.9%)
HSL
hsl(202,58%,62%)
HSV
hsv(202,52%,84%)
CMYK
cmyk(52,19,0,16)
LAB
lab(68,-11,-28)
LCH
lch(68,30,249)
sRGB
(0.4,0.678,0.839)
HEX8
#66add6ff
CSS Name
Decimal
102173214

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Color variants

Color info

Lightness
62%
Saturation
58%
Hue
202°
Chroma
30
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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