Colour

#31039B

#31039B
Violet
Dark
Nearest: Dark blue

#31039B is a violet with RGB values 49, 3, 155 and HSL 258°, 96%, 31%. It is a dark colour, so white text on it reaches 13:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#31039B#31039B

HEX#31039B

RGBrgb(49, 3, 155)

RGB (0–1)0.1922, 0.0118, 0.6078

RGB percentages19.2%, 1.2%, 60.8%

HSLhsl(258.2, 96.2%, 31%)

HSV / HSBhsv(258.2, 98.1%, 60.8%)

CMYK68.4%, 98.1%, 0%, 39.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,212,187

CSS custom property--colour: #31039B;

Brightness & contrast

Relative luminance0.03085WCAG 2.x, 0 is black and 1 is white

Perceived brightness58.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.99:1

Contrast with white12.99:1WCAG normal text: AAA

Contrast with black1.62:1WCAG normal text: Fail

Greyscale equivalent#181818

Inverted#CEFC64

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00369Fno red cones; affects about 1% of men; ΔE 27.9 from the original

Deuteranopia#002C99no green cones; the most common form, about 1% of men; ΔE 22.8 from the original

Tritanopia#003D59no blue cones; rare, and affects men and women equally; ΔE 77.3 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text12.99:1WCAG large text: AAA

Contrast with black, large text1.62:1WCAG large text: Fail

Named colours

Dark blue · ΔE 7.2 Navy · ΔE 11.4 Indigo · ΔE 16.2 Medium blue · ΔE 25.9 Dark orchid · ΔE 26.8 Blue violet · ΔE 27

Nearest named CSS colourDark blue (#00008B)ΔE 7.2, clearly different but related

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#6D9B03

Analogous#03219B, #7D039B

Triadic#9B3103, #039B31

Split complementary#9B7D03, #219B03

Tetradic#9B0321, #6D9B03, #039B7D

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#996EFC

Lighter +30%#763CFB

Lighter +20%#530AFA

Lighter +10%#4104CD

Darker −10%#210269

Darker −20%#110137

Darker −30%#020005

Darker −40%#000000

More saturated +25%#30009E

Less saturated −25%#391787

Channel breakdown

R49

B155

Red49 (19.2%)

Green3 (1.2%)

Blue155 (60.8%)

Hue258.16°

Saturation (HSL)96.2%

Lightness30.98%

Dominant channelBlue

Hex per channelR 31 · G 03 · B 9B

Keep nerding

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#31039B

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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