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Colour

#3240A8

  • #3240A8
  • Blue
  • Dark
  • Nearest: Slate blue

#3240A8 is a blue with RGB values 50, 64, 168 and HSL 233°, 54%, 43%. It is a dark colour, so white text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#3240A8#3240A8
HEX#3240A8
RGBrgb(50, 64, 168)
RGB (0–1)0.1961, 0.251, 0.6588
RGB percentages19.6%, 25.1%, 65.9%
HSLhsl(232.9, 54.1%, 42.7%)
HSV / HSBhsv(232.9, 70.2%, 65.9%)
CMYK70.2%, 61.9%, 0%, 34.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,293,352
CSS custom property--colour: #3240A8;

Brightness & contrast

Relative luminance0.07172WCAG 2.x, 0 is black and 1 is white
Perceived brightness79.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.63:1
Contrast with white8.63:1WCAG normal text: AAA
Contrast with black2.43:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#CDBF57

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0051ABno red cones; affects about 1% of men; ΔE 15.2 from the original
Deuteranopia#0046A6no green cones; the most common form, about 1% of men; ΔE 8.9 from the original
Tritanopia#005A6Eno blue cones; rare, and affects men and women equally; ΔE 60.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.63:1WCAG large text: AAA
Contrast with black, large text2.43:1WCAG large text: Fail

Named colours

Slate blue · ΔE 14.5Dark slateblue · ΔE 16Rebecca purple · ΔE 16.6Royal blue · ΔE 17.8Midnight blue · ΔE 18.3Medium slateblue · ΔE 24.1
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 14.47, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A89A32
Analogous#327BA8, #5F32A8
Triadic#A83240, #40A832
Split complementary#A85F32, #7BA832
Tetradic#A8327B, #A89A32, #32A85F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BBC1EB
Lighter +30%#949DDF
Lighter +20%#6D79D3
Lighter +10%#4555C8
Darker −10%#263181
Darker −20%#1B2259
Darker −30%#0F1332
Darker −40%#03040B
More saturated +25%#172BC3
Less saturated −25%#4D558D

Channel breakdown

R50
G64
B168
Red50 (19.6%)
Green64 (25.1%)
Blue168 (65.9%)
Hue232.88°
Saturation (HSL)54.13%
Lightness42.75%
Dominant channelBlue
Hex per channelR 32 · G 40 · B A8

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Every value on this page was computed from “3240a8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.