Colour

#3573FD

#3573FD
Blue
Dark
Nearest: Royal blue

#3573FD is a blue with RGB values 53, 115, 253 and HSL 221°, 98%, 60%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#3573FD#3573FD

HEX#3573FD

RGBrgb(53, 115, 253)

RGB (0–1)0.2078, 0.451, 0.9922

RGB percentages20.8%, 45.1%, 99.2%

HSLhsl(221.4, 98%, 60%)

HSV / HSBhsv(221.4, 79.1%, 99.2%)

CMYK79.1%, 54.5%, 0%, 0.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,503,101

CSS custom property--colour: #3573FD;

Brightness & contrast

Relative luminance0.2011WCAG 2.x, 0 is black and 1 is white

Perceived brightness126.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.02:1

Contrast with white4.18:1WCAG normal text: Fail

Contrast with black5.02:1WCAG normal text: AA

Greyscale equivalent#707070

Inverted#CA8C02

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0085FFno red cones; affects about 1% of men; ΔE 14.8 from the original

Deuteranopia#0073FAno green cones; the most common form, about 1% of men; ΔE 3.9 from the original

Tritanopia#0095ADno blue cones; rare, and affects men and women equally; ΔE 74.7 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text4.18:1WCAG large text: AA

Contrast with black, large text5.02:1WCAG large text: AAA

Named colours

Royal blue · ΔE 10.2 Medium slateblue · ΔE 15.1 Slate blue · ΔE 19.2 Dodgerblue · ΔE 23 Medium purple · ΔE 25.6 Cornflower blue · ΔE 33.2

Nearest named CSS colourRoyal blue (#4169E1)ΔE 10.21, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#FDBF35

Analogous#35D7FD, #5B35FD

Triadic#FD3573, #73FD35

Split complementary#FD5B35, #D7FD35

Tetradic#FD35D7, #FDBF35, #35FD5B

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FFFFFF

Lighter +30%#CDDCFF

Lighter +20%#9AB9FE

Lighter +10%#6796FE

Darker −10%#0350FD

Darker −20%#0240CA

Darker −30%#023097

Darker −40%#012065

More saturated +25%#3372FF

Less saturated −25%#4E7DE3

Channel breakdown

R53

G115

B253

Red53 (20.8%)

Green115 (45.1%)

Blue253 (99.2%)

Hue221.4°

Saturation (HSL)98.04%

Lightness60%

Dominant channelBlue

Hex per channelR 35 · G 73 · B FD

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#3573FD

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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