Mellow Brook beneath Fastening

#217abc RGB(33,122,188)

About this color

Mellow Brook beneath Fastening carries its coordinates at #217abc: a medium-dark blue with vivid saturation.

#217abcRGB(33, 122, 188)

HSL 206° · 70% saturation · 43% 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

The ancient Egyptians were among the first to produce blue pigment artificially — Egyptian blue, made from copper and sand, coloured the walls of pharaonic tombs.

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Design use

Practically, this medium-dark blue is comfortable as accent colours, call-to-action buttons, and icon fills — it holds its own without overwhelming adjacent elements. Always check WCAG contrast ratios before using it under or over text.

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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.

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Color Categories

Color formats

Name
Mellow Brook beneath Fastening
HEX
#217abc
RGB
rgb(33,122,188)
RGB%
rgb(12.9%,47.8%,73.7%)
HSL
hsl(206,70%,43%)
HSV
hsv(206,82%,74%)
CMYK
cmyk(82,35,0,26)
LAB
lab(49,-2,-42)
LCH
lch(49,42,267)
sRGB
(0.129,0.478,0.737)
HEX8
#217abcff
CSS Name
Decimal
033122188

Similar colors

Color variants

Color info

Lightness
43%
Saturation
70%
Hue
206°
Chroma
42
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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