Colour
#040409
- #040409
- Blue
- Dark
- Nearest: Black
#040409 is a blue with RGB values 4, 4, 9 and HSL 240°, 38%, 3%. It is a dark colour, so white text on it reaches 20.5:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#040409#040409
HEX#040409
RGBrgb(4, 4, 9)
RGB (0–1)0.0157, 0.0157, 0.0353
RGB percentages1.6%, 1.6%, 3.5%
HSLhsl(240, 38.5%, 2.5%)
HSV / HSBhsv(240, 55.6%, 3.5%)
CMYK55.6%, 55.6%, 0%, 96.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer263,177
CSS custom property--colour: #040409;
Brightness & contrast
Relative luminance0.00132WCAG 2.x, 0 is black and 1 is white
Perceived brightness4.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 20.46:1
Contrast with white20.46:1WCAG normal text: AAA
Contrast with black1.03:1WCAG normal text: Fail
Greyscale equivalent#040404
Inverted#FBFBF6
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text20.46:1WCAG large text: AAA
Contrast with black, large text1.03:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#090904
Analogous#040709, #070409
Triadic#090404, #040904
Split complementary#090704, #070904
Tetradic#090407, #090904, #040907
Tints, shades & saturation
Channel breakdown
R4
G4
B9
Red4 (1.6%)
Green4 (1.6%)
Blue9 (3.5%)
Hue240°
Saturation (HSL)38.46%
Lightness2.55%
Dominant channelBlue
Hex per channelR 04 · G 04 · B 09
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