The Atoll till Layered Learning

#1399ed RGB(19,153,237)

About this color

The Atoll till Layered Learning is rendered by screens as RGB(19, 153, 237) — a medium, intense blue hue.

#1399edRGB(19, 153, 237)

HSL 203° · 86% saturation · 50% lightness

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Psychology

Blue at medium lightness is the colour of trust and communication — widely associated with stability, focus, and honesty.

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History

Blue has been among the most valued pigments throughout history — ultramarine, ground from lapis lazuli, was once worth more than gold and reserved for the robes of the Virgin Mary in medieval painting.

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Design use

This shade sits in a versatile middle ground — useful as interactive elements, tags, badges, and highlight states. It has enough saturation to register clearly without straining extended-reading contexts.

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Colour pairings

When it comes to colour harmony, 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
The Atoll till Layered Learning
HEX
#1399ed
RGB
rgb(19,153,237)
RGB%
rgb(7.5%,60%,92.9%)
HSL
hsl(203,86%,50%)
HSV
hsv(203,92%,93%)
CMYK
cmyk(92,35,0,7)
LAB
lab(61,-3,-51)
LCH
lch(61,51,267)
sRGB
(0.075,0.6,0.929)
HEX8
#1399edff
CSS Name
Decimal
019153237

Similar colors

Color variants

Color info

Lightness
50%
Saturation
86%
Hue
203°
Chroma
51
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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