Colour
#40008B
- #40008B
- Violet
- Dark
- Nearest: Indigo
#40008B is a violet with RGB values 64, 0, 139 and HSL 268°, 100%, 27%. It is a dark colour, so white text on it reaches 13.2:1 contrast (AAA for normal text). The nearest named colour is Indigo.
Colour values
#40008B#40008B
HEX#40008B
RGBrgb(64, 0, 139)
RGB (0–1)0.251, 0, 0.5451
RGB percentages25.1%, 0%, 54.5%
HSLhsl(267.6, 100%, 27.3%)
HSV / HSBhsv(267.6, 100%, 54.5%)
CMYK54%, 100%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,194,443
CSS custom property--colour: #40008B;
Brightness & contrast
Relative luminance0.02954WCAG 2.x, 0 is black and 1 is white
Perceived brightness58.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.2:1
Contrast with white13.2:1WCAG normal text: AAA
Contrast with black1.59:1WCAG normal text: Fail
Greyscale equivalent#181818
Inverted#BFFF74
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.2:1WCAG large text: AAA
Contrast with black, large text1.59:1WCAG large text: Fail
Named colours
Hue familyviolet
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#4B8B00
Analogous#00058B, #86008B
Triadic#8B4000, #008B40
Split complementary#8B8500, #058B00
Tetradic#8B0005, #4B8B00, #008B86
Tints, shades & saturation
Channel breakdown
R64
G0
B139
Red64 (25.1%)
Green0 (0%)
Blue139 (54.5%)
Hue267.63°
Saturation (HSL)100%
Lightness27.25%
Dominant channelBlue
Hex per channelR 40 · G 00 · B 8B
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