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Colour

#4745B9

  • #4745B9
  • Blue
  • Dark
  • Nearest: Slate blue

#4745B9 is a blue with RGB values 71, 69, 185 and HSL 241°, 46%, 50%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#4745B9#4745B9
HEX#4745B9
RGBrgb(71, 69, 185)
RGB (0–1)0.2784, 0.2706, 0.7255
RGB percentages27.8%, 27.1%, 72.5%
HSLhsl(241, 45.7%, 49.8%)
HSV / HSBhsv(241, 62.7%, 72.5%)
CMYK61.6%, 62.7%, 0%, 27.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,670,905
CSS custom property--colour: #4745B9;

Brightness & contrast

Relative luminance0.09099WCAG 2.x, 0 is black and 1 is white
Perceived brightness90.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.45:1
Contrast with white7.45:1WCAG normal text: AAA
Contrast with black2.82:1WCAG normal text: Fail
Greyscale equivalent#4E4E4E
Inverted#B8BA46

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005ABDno red cones; affects about 1% of men; ΔE 19.3 from the original
Deuteranopia#0050B7no green cones; the most common form, about 1% of men; ΔE 14.6 from the original
Tritanopia#006278no blue cones; rare, and affects men and women equally; ΔE 66.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.45:1WCAG large text: AAA
Contrast with black, large text2.82:1WCAG large text: Fail

Named colours

Slate blue · ΔE 9.8Royal blue · ΔE 15.7Rebecca purple · ΔE 16Medium slateblue · ΔE 17.3Medium purple · ΔE 21.8Dark slateblue · ΔE 22.1
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 9.76, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B7B945
Analogous#457DB9, #8145B9
Triadic#B94745, #45B947
Split complementary#B98145, #7DB945
Tetradic#B9457D, #B7B945, #45B981

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DAD9F1
Lighter +30%#B5B4E3
Lighter +20%#908FD5
Lighter +10%#6B6AC7
Darker −10%#393794
Darker −20%#2A296F
Darker −30%#1C1B4A
Darker −40%#0E0E24
More saturated +25%#2825D9
Less saturated −25%#666599

Channel breakdown

R71
G69
B185
Red71 (27.8%)
Green69 (27.1%)
Blue185 (72.5%)
Hue241.03°
Saturation (HSL)45.67%
Lightness49.8%
Dominant channelBlue
Hex per channelR 47 · G 45 · B B9

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Every value on this page was computed from “4745b9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.