Recognised as Colour
#000066
- #000066
- Blue
- Dark
- Nearest: Midnight blue
#000066 is a blue with RGB values 0, 0, 102 and HSL 240°, 100%, 20%. It is a dark colour, so white text on it reaches 17.6:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.
Colour values
#000066#000066
HEX#000066
HEX (short)#006
RGBrgb(0, 0, 102)
RGB (0–1)0, 0, 0.4
RGB percentages0%, 0%, 40%
HSLhsl(240, 100%, 20%)
HSV / HSBhsv(240, 100%, 40%)
CMYK100%, 100%, 0%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer102
CSS custom property--colour: #000066;
Brightness & contrast
Relative luminance0.00959WCAG 2.x, 0 is black and 1 is white
Perceived brightness34.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.62:1
Contrast with white17.62:1WCAG normal text: AAA
Contrast with black1.19:1WCAG normal text: Fail
Greyscale equivalent#070707
Inverted#FFFF99
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text17.62:1WCAG large text: AAA
Contrast with black, large text1.19:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#666600
Analogous#003366, #330066
Triadic#660000, #006600
Split complementary#663300, #336600
Tetradic#660033, #666600, #006633
Tints, shades & saturation
Channel breakdown
R0
G0
B102
Red0 (0%)
Green0 (0%)
Blue102 (40%)
Hue240°
Saturation (HSL)100%
Lightness20%
Dominant channelBlue
Hex per channelR 00 · G 00 · B 66
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