Recognised as Colour
#3F22B8
- #3F22B8
- Blue
- Dark
- Nearest: Dark blue
#3F22B8 is a blue with RGB values 63, 34, 184 and HSL 252°, 69%, 43%. It is a dark colour, so white text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Dark blue.
Colour values
#3F22B8#3F22B8
HEX#3F22B8
RGBrgb(63, 34, 184)
RGB (0–1)0.2471, 0.1333, 0.7216
RGB percentages24.7%, 13.3%, 72.2%
HSLhsl(251.6, 68.8%, 42.7%)
HSV / HSBhsv(251.6, 81.5%, 72.2%)
CMYK65.8%, 81.5%, 0%, 27.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,137,656
CSS custom property--colour: #3F22B8;
Brightness & contrast
Relative luminance0.05662WCAG 2.x, 0 is black and 1 is white
Perceived brightness75.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.85:1
Contrast with white9.85:1WCAG normal text: AAA
Contrast with black2.13:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#C0DD47
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.85:1WCAG large text: AAA
Contrast with black, large text2.13:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#9BB822
Analogous#2250B8, #8A22B8
Triadic#B83F22, #22B83F
Split complementary#B88A22, #50B822
Tetradic#B82250, #9BB822, #22B88A
Tints, shades & saturation
Channel breakdown
R63
G34
B184
Red63 (24.7%)
Green34 (13.3%)
Blue184 (72.2%)
Hue251.6°
Saturation (HSL)68.81%
Lightness42.75%
Dominant channelBlue
Hex per channelR 3F · G 22 · B B8
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