Recognised as Colour
#000090
- #000090
- Blue
- Dark
- Nearest: Dark blue
#000090 is a blue with RGB values 0, 0, 144 and HSL 240°, 100%, 28%. It is a dark colour, so white text on it reaches 15:1 contrast (AAA for normal text). The nearest named colour is Dark blue.
Colour values
#000090#000090
HEX#000090
RGBrgb(0, 0, 144)
RGB (0–1)0, 0, 0.5647
RGB percentages0%, 0%, 56.5%
HSLhsl(240, 100%, 28.2%)
HSV / HSBhsv(240, 100%, 56.5%)
CMYK100%, 100%, 0%, 43.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer144
CSS custom property--colour: #000090;
Brightness & contrast
Relative luminance0.02014WCAG 2.x, 0 is black and 1 is white
Perceived brightness48.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.97:1
Contrast with white14.97:1WCAG normal text: AAA
Contrast with black1.4:1WCAG normal text: Fail
Greyscale equivalent#0A0A0A
Inverted#FFFF6F
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text14.97:1WCAG large text: AAA
Contrast with black, large text1.4:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#909000
Analogous#004890, #480090
Triadic#900000, #009000
Split complementary#904800, #489000
Tetradic#900048, #909000, #009048
Tints, shades & saturation
Channel breakdown
R0
G0
B144
Red0 (0%)
Green0 (0%)
Blue144 (56.5%)
Hue240°
Saturation (HSL)100%
Lightness28.24%
Dominant channelBlue
Hex per channelR 00 · G 00 · B 90
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