#404b57 - Dark Night color
A muted, mid-to-dark slate blue-gray with cool undertones, evoking stormy seas and industrial steel. It reads as sophisticated and restrained, providing a calm, professional backdrop that still retains depth and subtle blue character. Pairs beautifully with warm metallics like copper or brass, soft creams, and mustard accents to add contrast, or with lighter blues and pale grays for a monochromatic palette. Ideal for UI backgrounds, branding, interior accents, or refined, maritime-inspired designs.
#404b57 color RGB value is 64, 75, 87, and the CMYK value is 0.264, 0.138, 0.00, 0.659. Alternative names for that color are: dark night, gray, darkslategray, river bed, outer space, indigo, darkslategrey.
Color Conversion
Name | Values | CSS |
|---|---|---|
RGB(0-255) | 64, 75, 87 | rgb(64, 75, 87) |
CMYK | 0.264, 0.138, 0.00, 0.659 | - |
sRGB | 0.251, 0.294, 0.341 | rgb(25.1% 29.4% 34.1%) |
Adobe® 98 RGB compatible | 0.271, 0.299, 0.342 | color(a98-rgb 0.271 0.299 0.342) |
HCT | 248, 13.3, 31.4 | color(--hct 248 9.18% 31.4%) |
HSL | 211, 15.2, 29.6 | hsl(211 15.2% 29.6%) |
HSV | 211, 26.4, 34.1 | color(--hsv 211 26.4% 34.1%) |
HWB | 211, 25.1, 65.9 | hwb(211 25.1% 65.9%) |
Lab | 31.3, -2.23, -8.68 | lab(31.3 -2.23 -8.68) |
P3 | 0.259, 0.293, 0.337 | color(display-p3 0.259 0.293 0.337) |
XYZ D50 | 0.0631, 0.0676, 0.0756 | color(xyz-d50 0.063 0.068 0.076) |