#3b506f - Blue Flag color

Deep slate-blue with strong gray undertones, this muted steel shade evokes a calm maritime twilight. It reads cool and restrained, sophisticated yet approachable, making it ideal for professional branding, interior accent walls, and understated fashion pieces. The color pairs nicely with soft neutrals, warm tans, and muted coral or ochre accents for contrast. It provides a stable, grounding presence without feeling heavy, suggesting reliability, quiet confidence, and a serene, contemporary elegance.

color #3b506f

#3b506f color RGB value is 59, 80, 111, and the CMYK value is 0.468, 0.279, 0.00, 0.565. Alternative names for that color are: blue flag, gray, darkslategray, san juan, midnight blue, indigo, darkslategrey.

Color Conversion

Name
Values
CSS
RGB(0-255)
59, 80, 111
rgb(59, 80, 111)
CMYK
0.468, 0.279, 0.00, 0.565
-
sRGB
0.231, 0.314, 0.435
rgb(23.1% 31.4% 43.5%)
Adobe® 98 RGB compatible
0.266, 0.318, 0.429
color(a98-rgb 0.266 0.318 0.429)
HCT
259, 25.9, 33.6
color(--hct 259 17.9% 33.6%)
HSL
216, 30.6, 33.3
hsl(216 30.6% 33.3%)
HSV
216, 46.8, 43.5
color(--hsv 216 46.8% 43.5%)
HWB
216, 23.1, 56.5
hwb(216 23.1% 56.5%)
Lab
33.3, -1.36, -20.7
lab(33.3 -1.36 -20.7)
P3
0.248, 0.311, 0.425
color(display-p3 0.248 0.311 0.425)
XYZ D50
0.0727, 0.0769, 0.122
color(xyz-d50 0.073 0.077 0.122)

Shades

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Tints

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Tones

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Color Harmonies

HEX:#3b506f
RGB:59 80 111
HSL:215.77deg 30.59% 33.33%
HEX:#6f5a3b
RGB:111 90 59
HSL:35.77deg 30.59% 33.33%

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