When the Composed Border amidst Measuring

#3f4288 RGB(63,66,136)

About this color

When the Composed Border amidst Measuring reads as medium-dark and moderate — a blue tone recorded at #3f4288, RGB(63, 66, 136).

#3f4288RGB(63, 66, 136)

HSL 238° · 37% saturation · 39% lightness

🧠

Psychology

Dark blues project authority, depth and reliability — the colour of deep water, the night sky, and tailored suits.

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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.

✏️

Design use

In practical terms, a medium-dark blue like this works well as a primary background in dark themes, a strong border or divider, or a headline colour against a light surface. Combine with lighter tints of the same hue for a cohesive palette.

🎭

Colour pairings

In terms of colour combinations, complement this blue with amber and warm orange for high-contrast energy, or stay within blue-green and violet neighbours for a serene, cohesive feel.

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Color Categories

Color formats

Name
When the Composed Border amidst Measuring
HEX
#3f4288
RGB
rgb(63,66,136)
RGB%
rgb(24.7%,25.9%,53.3%)
HSL
hsl(238,37%,39%)
HSV
hsv(238,54%,53%)
CMYK
cmyk(54,51,0,47)
LAB
lab(31,20,-40)
LCH
lch(31,45,297)
sRGB
(0.247,0.259,0.533)
HEX8
#3f4288ff
CSS Name
Decimal
063066136

Similar colors

Color variants

Color info

Lightness
39%
Saturation
37%
Hue
238°
Chroma
45
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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