Recognised as Colour
#391CAA
- #391CAA
- Blue
- Dark
- Nearest: Dark blue
#391CAA is a blue with RGB values 57, 28, 170 and HSL 252°, 72%, 39%. It is a dark colour, so white text on it reaches 10.9:1 contrast (AAA for normal text). The nearest named colour is Dark blue.
Colour values
#391CAA#391CAA
HEX#391CAA
RGBrgb(57, 28, 170)
RGB (0–1)0.2235, 0.1098, 0.6667
RGB percentages22.4%, 11%, 66.7%
HSLhsl(252.3, 71.7%, 38.8%)
HSV / HSBhsv(252.3, 83.5%, 66.7%)
CMYK66.5%, 83.5%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,742,890
CSS custom property--colour: #391CAA;
Brightness & contrast
Relative luminance0.04603WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.93:1
Contrast with white10.93:1WCAG normal text: AAA
Contrast with black1.92:1WCAG normal text: Fail
Greyscale equivalent#2C2C2C
Inverted#C6E355
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.93:1WCAG large text: AAA
Contrast with black, large text1.92:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#8DAA1C
Analogous#1C46AA, #801CAA
Triadic#AA391C, #1CAA39
Split complementary#AA801C, #46AA1C
Tetradic#AA1C46, #8DAA1C, #1CAA80
Tints, shades & saturation
Channel breakdown
R57
G28
B170
Red57 (22.4%)
Green28 (11%)
Blue170 (66.7%)
Hue252.25°
Saturation (HSL)71.72%
Lightness38.82%
Dominant channelBlue
Hex per channelR 39 · G 1C · B AA
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