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Recognised as Colour

#3945C5

  • #3945C5
  • Blue
  • Dark
  • Nearest: Slate blue

#3945C5 is a blue with RGB values 57, 69, 197 and HSL 235°, 55%, 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

#3945C5#3945C5
HEX#3945C5
RGBrgb(57, 69, 197)
RGB (0–1)0.2235, 0.2706, 0.7725
RGB percentages22.4%, 27.1%, 77.3%
HSLhsl(234.9, 55.1%, 49.8%)
HSV / HSBhsv(234.9, 71.1%, 77.3%)
CMYK71.1%, 65%, 0%, 22.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,753,413
CSS custom property--colour: #3945C5;

Brightness & contrast

Relative luminance0.09157WCAG 2.x, 0 is black and 1 is white
Perceived brightness90.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.42:1
Contrast with white7.42:1WCAG normal text: AAA
Contrast with black2.83:1WCAG normal text: Fail
Greyscale equivalent#4C4C4C
Inverted#C6BA3A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005CC9no red cones; affects about 1% of men; ΔE 18.8 from the original
Deuteranopia#004FC3no green cones; the most common form, about 1% of men; ΔE 11.4 from the original
Tritanopia#00677Fno blue cones; rare, and affects men and women equally; ΔE 72.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.42:1WCAG large text: AAA
Contrast with black, large text2.83:1WCAG large text: Fail

Named colours

Slate blue · ΔE 13.8Medium slateblue · ΔE 16.4Royal blue · ΔE 16.7Rebecca purple · ΔE 21.7Dark blue · ΔE 24.9Navy · ΔE 25.4
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 13.81, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C5B939
Analogous#398BC5, #7339C5
Triadic#C53945, #45C539
Split complementary#C57339, #8BC539
Tetradic#C5398B, #C5B939, #39C573

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D7D9F3
Lighter +30%#AFB4E8
Lighter +20%#888FDC
Lighter +10%#606AD1
Darker −10%#2E379D
Darker −20%#222976
Darker −30%#171B4E
Darker −40%#0B0E27
More saturated +25%#192BE5
Less saturated −25%#595FA5

Channel breakdown

R57
G69
B197
Red57 (22.4%)
Green69 (27.1%)
Blue197 (77.3%)
Hue234.86°
Saturation (HSL)55.12%
Lightness49.8%
Dominant channelBlue
Hex per channelR 39 · G 45 · B C5

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Every value on this page was computed from “3945c5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.