Recognised as Colour
#331CA1
- #331CA1
- Blue
- Dark
- Nearest: Dark blue
#331CA1 is a blue with RGB values 51, 28, 161 and HSL 250°, 70%, 37%. It is a dark colour, so white text on it reaches 11.5:1 contrast (AAA for normal text). The nearest named colour is Dark blue.
Colour values
#331CA1#331CA1
HEX#331CA1
RGBrgb(51, 28, 161)
RGB (0–1)0.2, 0.1098, 0.6314
RGB percentages20%, 11%, 63.1%
HSLhsl(250.4, 70.4%, 37.1%)
HSV / HSBhsv(250.4, 82.6%, 63.1%)
CMYK68.3%, 82.6%, 0%, 36.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,349,665
CSS custom property--colour: #331CA1;
Brightness & contrast
Relative luminance0.04108WCAG 2.x, 0 is black and 1 is white
Perceived brightness64.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.53:1
Contrast with white11.53:1WCAG normal text: AAA
Contrast with black1.82:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#CCE35E
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.53:1WCAG large text: AAA
Contrast with black, large text1.82:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#8AA11C
Analogous#1C48A1, #751CA1
Triadic#A1331C, #1CA133
Split complementary#A1751C, #48A11C
Tetradic#A11C48, #8AA11C, #1CA175
Tints, shades & saturation
Channel breakdown
R51
G28
B161
Red51 (20%)
Green28 (11%)
Blue161 (63.1%)
Hue250.38°
Saturation (HSL)70.37%
Lightness37.06%
Dominant channelBlue
Hex per channelR 33 · G 1C · B A1
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