#404c57 - Abyssal color

A deep, muted slate blue-gray with cool, steely undertones, this shade reads as sophisticated and restrained. It balances a subtle blue tinge against charcoal neutrality, producing an urbane, calming presence that feels modern and dependable. Its low saturation makes it versatile for backgrounds, interfaces, and fashion, pairing especially well with warm accents like mustard, amber, or natural wood, as well as crisp whites and rosy neutrals for contrast and soft luminosity.

color #404c57

#404c57 color RGB value is 64, 76, 87, and the CMYK value is 0.264, 0.126, 0.00, 0.659. Alternative names for that color are: abyssal, gray, darkslategray, river bed, outer space, indigo, darkslategrey.

Color Conversion

Name
Values
CSS
RGB(0-255)
64, 76, 87
rgb(64, 76, 87)
CMYK
0.264, 0.126, 0.00, 0.659
-
sRGB
0.251, 0.298, 0.341
rgb(25.1% 29.8% 34.1%)
Adobe® 98 RGB compatible
0.272, 0.303, 0.342
color(a98-rgb 0.272 0.303 0.342)
HCT
244, 13.1, 31.7
color(--hct 244 9.06% 31.7%)
HSL
209, 15.2, 29.6
hsl(209 15.2% 29.6%)
HSV
209, 26.4, 34.1
color(--hsv 209 26.4% 34.1%)
HWB
209, 25.1, 65.9
hwb(209 25.1% 65.9%)
Lab
31.6, -2.82, -8.21
lab(31.6 -2.82 -8.21)
P3
0.260, 0.297, 0.337
color(display-p3 0.26 0.297 0.337)
XYZ D50
0.0638, 0.0690, 0.0758
color(xyz-d50 0.064 0.069 0.076)

Shades

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Tints

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Tones

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Color Harmonies

HEX:#404c57
RGB:64 76 87
HSL:208.7deg 15.23% 29.61%
HEX:#574b40
RGB:87 75 64
HSL:28.7deg 15.23% 29.61%

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