Recognised as Colour
#33008B
- #33008B
- Violet
- Dark
- Nearest: Dark blue
#33008B is a violet with RGB values 51, 0, 139 and HSL 262°, 100%, 27%. It is a dark colour, so white text on it reaches 13.9:1 contrast (AAA for normal text). The nearest named colour is Dark blue.
Colour values
#33008B#33008B
HEX#33008B
RGBrgb(51, 0, 139)
RGB (0–1)0.2, 0, 0.5451
RGB percentages20%, 0%, 54.5%
HSLhsl(262, 100%, 27.3%)
HSV / HSBhsv(262, 100%, 54.5%)
CMYK63.3%, 100%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,342,475
CSS custom property--colour: #33008B;
Brightness & contrast
Relative luminance0.02568WCAG 2.x, 0 is black and 1 is white
Perceived brightness54.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.87:1
Contrast with white13.87:1WCAG normal text: AAA
Contrast with black1.51:1WCAG normal text: Fail
Greyscale equivalent#151515
Inverted#CCFF74
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.87:1WCAG large text: AAA
Contrast with black, large text1.51:1WCAG large text: Fail
Named colours
Hue familyviolet
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#588B00
Analogous#00138B, #78008B
Triadic#8B3300, #008B33
Split complementary#8B7900, #128B00
Tetradic#8B0013, #588B00, #008B78
Tints, shades & saturation
Channel breakdown
R51
G0
B139
Red51 (20%)
Green0 (0%)
Blue139 (54.5%)
Hue262.01°
Saturation (HSL)100%
Lightness27.25%
Dominant channelBlue
Hex per channelR 33 · G 00 · B 8B
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