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Recognised as Colour

#3F22CD

  • #3F22CD
  • Blue
  • Dark
  • Nearest: Medium blue

#3F22CD is a blue with RGB values 63, 34, 205 and HSL 250°, 72%, 47%. It is a dark colour, so white text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#3F22CD#3F22CD
HEX#3F22CD
RGBrgb(63, 34, 205)
RGB (0–1)0.2471, 0.1333, 0.8039
RGB percentages24.7%, 13.3%, 80.4%
HSLhsl(250.2, 71.5%, 46.9%)
HSV / HSBhsv(250.2, 83.4%, 80.4%)
CMYK69.3%, 83.4%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,137,677
CSS custom property--colour: #3F22CD;

Brightness & contrast

Relative luminance0.06609WCAG 2.x, 0 is black and 1 is white
Perceived brightness81.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.05:1
Contrast with white9.05:1WCAG normal text: AAA
Contrast with black2.32:1WCAG normal text: Fail
Greyscale equivalent#353535
Inverted#C0DD32

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004FD2no red cones; affects about 1% of men; ΔE 29.3 from the original
Deuteranopia#0041CAno green cones; the most common form, about 1% of men; ΔE 22.2 from the original
Tritanopia#005A7Bno blue cones; rare, and affects men and women equally; ΔE 89.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.05:1WCAG large text: AAA
Contrast with black, large text2.32:1WCAG large text: Fail

Named colours

Medium blue · ΔE 13.8Blue violet · ΔE 16.7Dark violet · ΔE 21.9Dark blue · ΔE 22.6Dark orchid · ΔE 25.4Navy · ΔE 27.4
Nearest named CSS colourMedium blue (#0000CD)ΔE 13.82, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B0CD22
Analogous#225ACD, #9522CD
Triadic#CD3F22, #22CD3F
Split complementary#CD9522, #5ACD22
Tetradic#CD225A, #B0CD22, #22CD95

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CEC6F5
Lighter +30%#A89AEE
Lighter +20%#836EE7
Lighter +10%#5D42E0
Darker −10%#321BA1
Darker −20%#241376
Darker −30%#170C4A
Darker −40%#09051E
More saturated +25%#2B04EB
Less saturated −25%#5340AF

Channel breakdown

R63
G34
B205
Red63 (24.7%)
Green34 (13.3%)
Blue205 (80.4%)
Hue250.18°
Saturation (HSL)71.55%
Lightness46.86%
Dominant channelBlue
Hex per channelR 3F · G 22 · B CD

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Every value on this page was computed from “3f22cd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.