What the Mild Border outside Spreading

#03639f RGB(3,99,159)

About this color

What the Mild Border outside Spreading carries its coordinates at #03639f: a dark blue with intense saturation.

#03639fRGB(3, 99, 159)

HSL 203° · 96% saturation · 32% lightness

🧠

Psychology

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

🏛️

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.

✏️

Design use

As a dark tone, it naturally lends itself to a grounding element in print design — covers, footers, section dividers. On screen it suits dashboards and interfaces where a serious tone matters.

🎭

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 Categories

Color formats

Name
What the Mild Border outside Spreading
HEX
#03639f
RGB
rgb(3,99,159)
RGB%
rgb(1.2%,38.8%,62.4%)
HSL
hsl(203,96%,32%)
HSV
hsv(203,98%,62%)
CMYK
cmyk(98,38,0,38)
LAB
lab(40,-1,-39)
LCH
lch(40,39,269)
sRGB
(0.012,0.388,0.624)
HEX8
#03639fff
CSS Name
Decimal
003099159

Similar colors

Color variants

Color info

Lightness
32%
Saturation
96%
Hue
203°
Chroma
39
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

Share