Colour
#040364
- #040364
- Blue
- Dark
- Nearest: Midnight blue
#040364 is a blue with RGB values 4, 3, 100 and HSL 241°, 94%, 20%. It is a dark colour, so white text on it reaches 17.5:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.
Colour values
#040364#040364
HEX#040364
RGBrgb(4, 3, 100)
RGB (0–1)0.0157, 0.0118, 0.3922
RGB percentages1.6%, 1.2%, 39.2%
HSLhsl(240.6, 94.2%, 20.2%)
HSV / HSBhsv(240.6, 97%, 39.2%)
CMYK96%, 97%, 0%, 60.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer263,012
CSS custom property--colour: #040364;
Brightness & contrast
Relative luminance0.01011WCAG 2.x, 0 is black and 1 is white
Perceived brightness33.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.47:1
Contrast with white17.47:1WCAG normal text: AAA
Contrast with black1.2:1WCAG normal text: Fail
Greyscale equivalent#0A0A0A
Inverted#FBFC9B
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text17.47:1WCAG large text: AAA
Contrast with black, large text1.2:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#636403
Analogous#033364, #350364
Triadic#640403, #036404
Split complementary#643403, #336403
Tetradic#640333, #636403, #036434
Tints, shades & saturation
Channel breakdown
R4
G3
B100
Red4 (1.6%)
Green3 (1.2%)
Blue100 (39.2%)
Hue240.62°
Saturation (HSL)94.17%
Lightness20.2%
Dominant channelBlue
Hex per channelR 04 · G 03 · B 64
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