Plain Atoll beneath Ripening

#155eac RGB(21,94,172)

About this color

Plain Atoll beneath Ripening is a medium-dark blue with a intense character, positioned at #155eac on the color spectrum.

#155eacRGB(21, 94, 172)

HSL 211° · 78% saturation · 38% lightness

🧠

Psychology

In its darkest registers blue becomes serious and introspective: trustworthy, professional, slightly austere.

🏛️

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

From a design perspective, this shade excels 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

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.

⚖️ Contrast checker👁 Colour blindness🌈 Gradient🎨 Colour mixer

Color Categories

Color formats

Name
Plain Atoll beneath Ripening
HEX
#155eac
RGB
rgb(21,94,172)
RGB%
rgb(8.2%,36.9%,67.5%)
HSL
hsl(211,78%,38%)
HSV
hsv(211,88%,67%)
CMYK
cmyk(88,45,0,33)
LAB
lab(40,9,-48)
LCH
lch(40,49,281)
sRGB
(0.082,0.369,0.675)
HEX8
#155eacff
CSS Name
Decimal
021094172

Similar colors

Color variants

Color info

Lightness
38%
Saturation
78%
Hue
211°
Chroma
49
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

Share