#645d5e - Phantom Hue color

Imagine a muted, smoky gray with subtle brown and mauve undertones, a medium-dark neutral that reads both cool and warm depending on light. It feels like weathered slate or worn leather—understated, calm, and slightly vintage. This versatile shade brings quiet sophistication to interiors, textiles, and industrial designs, pairing beautifully with warm woods, brass, cream, muted teal, or rust. It evokes urban elegance and cozy restraint rather than stark modernity.

color #645d5e

#645d5e color RGB value is 100, 93, 94, and the CMYK value is 0.00, 0.0700, 0.0600, 0.608. Alternative names for that color are: phantom hue, gray, dimgray, scorpion, outer space, violet.

Color Conversion

Name
Values
CSS
RGB(0-255)
100, 93, 94
rgb(100, 93, 94)
CMYK
0.00, 0.0700, 0.0600, 0.608
-
sRGB
0.392, 0.365, 0.369
rgb(39.2% 36.5% 36.9%)
Adobe® 98 RGB compatible
0.385, 0.366, 0.369
color(a98-rgb 0.385 0.366 0.369)
HCT
1.50, 3.31, 40.2
color(--hct 1.5 2.29% 40.2%)
HSL
351, 3.63, 37.8
hsl(351 3.63% 37.8%)
HSV
351, 7.00, 39.2
color(--hsv 351 7% 39.2%)
HWB
351, 36.5, 60.8
hwb(351 36.5% 60.8%)
Lab
40.2, 3.05, 0.488
lab(40.2 3.05 0.488)
P3
0.387, 0.366, 0.369
color(display-p3 0.387 0.366 0.369)
XYZ D50
0.114, 0.114, 0.0923
color(xyz-d50 0.114 0.114 0.092)

Shades

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Tints

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Tones

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Color Harmonies

HEX:#645d5e
RGB:100 93 94
HSL:351.43deg 3.63% 37.84%
HEX:#5d6463
RGB:93 100 99
HSL:171.43deg 3.63% 37.84%

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