#33476d - Hydrogen Blue color

A deep, muted slate-blue with strong navy and steel undertones. It reads cool and composed—reminiscent of stormy seas or twilight skies—balancing sobriety with subtle richness. The tone feels professional, trustworthy, and quietly sophisticated, making it suitable for corporate branding, user-interface backgrounds, or elegant interiors. It pairs well with warm neutrals, soft creams, brass accents, or lighter blues for contrast. Overall the color conveys calm authority, depth, and understated refinement.

Color Conversion

Name
Values
CSS
RGB(0-255)
51, 71, 109
rgb(51, 71, 109)
CMYK
0.532, 0.349, 0.00, 0.573
-
sRGB
0.200, 0.278, 0.427
rgb(20% 27.8% 42.7%)
Adobe® 98 RGB compatible
0.236, 0.285, 0.421
color(a98-rgb 0.236 0.285 0.421)
HCT
265, 29.4, 30.2
color(--hct 265 20.3% 30.2%)
HSL
219, 36.2, 31.4
hsl(219 36.2% 31.4%)
HSV
219, 53.2, 42.7
color(--hsv 219 53.2% 42.7%)
HWB
219, 20.0, 57.3
hwb(219 20% 57.3%)
Lab
29.9, 1.08, -24.9
lab(29.9 1.08 -24.9)
P3
0.216, 0.276, 0.416
color(display-p3 0.216 0.276 0.416)
XYZ D50
0.0606, 0.0618, 0.116
color(xyz-d50 0.061 0.062 0.116)

Shades

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Tints

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Tones

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Color Harmonies

HEX:#33476d
RGB:51 71 109
HSL:219.31deg 36.25% 31.37%
HEX:#6d5933
RGB:109 89 51
HSL:39.31deg 36.25% 31.37%

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