Recognised as Colour
#405BA6
- #405BA6
- Blue
- Dark
- Nearest: Dark slateblue
#405BA6 is a blue with RGB values 64, 91, 166 and HSL 224°, 44%, 45%. It is a dark colour, so white text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.
Colour values
#405BA6#405BA6
HEX#405BA6
RGBrgb(64, 91, 166)
RGB (0–1)0.251, 0.3569, 0.651
RGB percentages25.1%, 35.7%, 65.1%
HSLhsl(224.1, 44.3%, 45.1%)
HSV / HSBhsv(224.1, 61.4%, 65.1%)
CMYK61.4%, 45.2%, 0%, 34.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,217,766
CSS custom property--colour: #405BA6;
Brightness & contrast
Relative luminance0.11325WCAG 2.x, 0 is black and 1 is white
Perceived brightness96.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.43:1
Contrast with white6.43:1WCAG normal text: AA
Contrast with black3.27:1WCAG normal text: Fail
Greyscale equivalent#5B5B5B
Inverted#BFA459
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.43:1WCAG large text: AAA
Contrast with black, large text3.27:1WCAG large text: AA
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#A68B40
Analogous#408EA6, #5840A6
Triadic#A6405B, #5BA640
Split complementary#A65840, #8EA640
Tetradic#A6408E, #A68B40, #40A658
Tints, shades & saturation
Channel breakdown
R64
G91
B166
Red64 (25.1%)
Green91 (35.7%)
Blue166 (65.1%)
Hue224.12°
Saturation (HSL)44.35%
Lightness45.1%
Dominant channelBlue
Hex per channelR 40 · G 5B · B A6
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Harmonies
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