Colour

#40009E

#40009E
Violet
Dark
Nearest: Dark blue

#40009E is a violet with RGB values 64, 0, 158 and HSL 264°, 100%, 31%. It is a dark colour, so white text on it reaches 12.3:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#40009E#40009E

HEX#40009E

RGBrgb(64, 0, 158)

RGB (0–1)0.251, 0, 0.6196

RGB percentages25.1%, 0%, 62%

HSLhsl(264.3, 100%, 31%)

HSV / HSBhsv(264.3, 100%, 62%)

CMYK59.5%, 100%, 0%, 38%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,194,462

CSS custom property--colour: #40009E;

Brightness & contrast

Relative luminance0.03559WCAG 2.x, 0 is black and 1 is white

Perceived brightness63.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.27:1

Contrast with white12.27:1WCAG normal text: AAA

Contrast with black1.71:1WCAG normal text: Fail

Greyscale equivalent#191919

Inverted#BFFF61

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0038A2no red cones; affects about 1% of men; ΔE 29.6 from the original

Deuteranopia#00319Cno green cones; the most common form, about 1% of men; ΔE 26.9 from the original

Tritanopia#0B3D5Bno blue cones; rare, and affects men and women equally; ΔE 76.3 from the original

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

Contrast with white, large text12.27:1WCAG large text: AAA

Contrast with black, large text1.71:1WCAG large text: Fail

Named colours

Dark blue · ΔE 10.1 Navy · ΔE 13.8 Indigo · ΔE 15.8 Dark orchid · ΔE 24 Blue violet · ΔE 24.6 Medium blue · ΔE 25.7

Nearest named CSS colourDark blue (#00008B)ΔE 10.08, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#5E9E00

Analogous#000F9E, #8F009E

Triadic#9E4000, #009E40

Split complementary#9E8F00, #0F9E00

Tetradic#9E000F, #5E9E00, #009E8F

Tints, shades & saturation

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

Lighter +40%#A76BFF

Lighter +30%#8938FF

Lighter +20%#6A05FF

Lighter +10%#5500D1

Darker −10%#2B006B

Darker −20%#170038

Darker −30%#020005

Darker −40%#000000

More saturated +25%#40009E

Less saturated −25%#44148A

Channel breakdown

R64

B158

Red64 (25.1%)

Green0 (0%)

Blue158 (62%)

Hue264.3°

Saturation (HSL)100%

Lightness30.98%

Dominant channelBlue

Hex per channelR 40 · G 00 · B 9E

Keep nerding

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#40009E

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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