huebic

RAL 5004 Black Blue #1D1F2A

#1D1F2Aoklch(0.2423 0.0212 276.7)

RAL 5004 Black blue (#1D1F2A) is a very dark cool grey. In OKLCH it has lightness 24.2%, chroma 0.021 and no real hue; its relative luminance is 1.4%. White text reads best on it (APCA Lc 106, WCAG 16.38:1). It is RAL 5004 Black blue in the RAL Classic paint standard. In plain ISCC-NBS terms it is a blackish blue. It prints well on coated paper (FOGRA39, ΔE00 0.8).

#1D1F2A in every format

HEX#1D1F2A
RGBrgb(29 31 42)
HSLhsl(230.8 18.3% 13.9%)
HSB / HSVhsb(230.8 31.0% 16.5%)
HWBhwb(230.8 11.4% 83.5%)
CMYK (formula)cmyk(31/26/0/84)
CMYK (FOGRA39 coated)cmyk(85/76/53/71)
CIELAB (D50)lab(11.93 1.43 -7.76)
LChlch(11.93 7.89 280.5)
OKLaboklab(0.2423 0.0025 -0.0211)
OKLCHoklch(0.2423 0.0212 276.7)
CIE XYZ (D65)color(xyz-d65 0.01415 0.01408 0.02388)
CIE xyYxyY(0.2715 0.2703 0.0141)
Display P3color(display-p3 0.1152 0.1213 0.1612)
Linear sRGBcolor(srgb-linear 0.01229 0.01370 0.02315)
CSS name—

Text on #1D1F2A

White textWCAG 16.38:1 · APCA Lc 106
Black textWCAG 1.28:1 · APCA Lc 0

Color blindness

Machado 2009 simulation

Tints and shades

OKLCH lightness steps, hue held

Harmonies

hue rotations on the RGB wheel

Similar colors

nearest by CIEDE2000