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Colour

#3575FF

  • #3575FF
  • Blue
  • Dark
  • Nearest: Royal blue

#3575FF is a blue with RGB values 53, 117, 255 and HSL 221°, 100%, 60%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#3575FF#3575FF
HEX#3575FF
RGBrgb(53, 117, 255)
RGB (0–1)0.2078, 0.4588, 1
RGB percentages20.8%, 45.9%, 100%
HSLhsl(221, 100%, 60.4%)
HSV / HSBhsv(221, 79.2%, 100%)
CMYK79.2%, 54.1%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,503,615
CSS custom property--colour: #3575FF;

Brightness & contrast

Relative luminance0.20699WCAG 2.x, 0 is black and 1 is white
Perceived brightness127.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.14:1
Contrast with white4.09:1WCAG normal text: Fail
Contrast with black5.14:1WCAG normal text: AA
Greyscale equivalent#717171
Inverted#CA8A00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0087FFno red cones; affects about 1% of men; ΔE 15.8 from the original
Deuteranopia#0075FCno green cones; the most common form, about 1% of men; ΔE 3.9 from the original
Tritanopia#0097AFno blue cones; rare, and affects men and women equally; ΔE 74.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.09:1WCAG large text: AA
Contrast with black, large text5.14:1WCAG large text: AAA

Named colours

Royal blue · ΔE 10.4Medium slateblue · ΔE 15.6Slate blue · ΔE 19.6Dodgerblue · ΔE 22.4Medium purple · ΔE 25.8Cornflower blue · ΔE 32.7
Nearest named CSS colourRoyal blue (#4169E1)ΔE 10.41, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFBF35
Analogous#35DAFF, #5A35FF
Triadic#FF3575, #75FF35
Split complementary#FF5A35, #DAFF35
Tetradic#FF35DA, #FFBF35, #35FF5A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#CEDEFF
Lighter +20%#9BBBFF
Lighter +10%#6898FF
Darker −10%#0252FF
Darker −20%#0041CE
Darker −30%#00319B
Darker −40%#002168
More saturated +25%#3575FF
Less saturated −25%#4E7EE6

Channel breakdown

R53
G117
B255
Red53 (20.8%)
Green117 (45.9%)
Blue255 (100%)
Hue220.99°
Saturation (HSL)100%
Lightness60.39%
Dominant channelBlue
Hex per channelR 35 · G 75 · B FF

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Every value on this page was computed from “3575ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.