Colour

#3558EF

#3558EF
Blue
Dark
Nearest: Medium slateblue

#3558EF is a blue with RGB values 53, 88, 239 and HSL 229°, 85%, 57%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#3558EF#3558EF

HEX#3558EF

RGBrgb(53, 88, 239)

RGB (0–1)0.2078, 0.3451, 0.9373

RGB percentages20.8%, 34.5%, 93.7%

HSLhsl(228.7, 85.3%, 57.3%)

HSV / HSBhsv(228.7, 77.8%, 93.7%)

CMYK77.8%, 63.2%, 0%, 6.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,496,175

CSS custom property--colour: #3558EF;

Brightness & contrast

Relative luminance0.13968WCAG 2.x, 0 is black and 1 is white

Perceived brightness109.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.54:1

Contrast with white5.54:1WCAG normal text: AA

Contrast with black3.79:1WCAG normal text: Fail

Greyscale equivalent#5B5B5B

Inverted#CAA710

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0071F4no red cones; affects about 1% of men; ΔE 18.7 from the original

Deuteranopia#0060ECno green cones; the most common form, about 1% of men; ΔE 9.2 from the original

Tritanopia#00809Bno blue cones; rare, and affects men and women equally; ΔE 82.6 from the original

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

Contrast with white, large text5.54:1WCAG large text: AAA

Contrast with black, large text3.79:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 15.9 Royal blue · ΔE 20.3 Slate blue · ΔE 21.9 Blue violet · ΔE 29.6 Dark orchid · ΔE 31.1 Medium purple · ΔE 31.2

Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 15.88, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#EFCC35

Analogous#35B5EF, #6F35EF

Triadic#EF3558, #58EF35

Split complementary#EF6F35, #B5EF35

Tetradic#EF35B5, #EFCC35, #35EF6F

Tints, shades & saturation

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

Lighter +40%#F2F4FE

Lighter +30%#C3CDFA

Lighter +20%#94A6F6

Lighter +10%#647FF3

Darker −10%#1238DF

Darker −20%#0E2CB0

Darker −30%#0A2181

Darker −40%#061552

More saturated +25%#254EFF

Less saturated −25%#5069D4

Channel breakdown

R53

G88

B239

Red53 (20.8%)

Green88 (34.5%)

Blue239 (93.7%)

Hue228.71°

Saturation (HSL)85.32%

Lightness57.25%

Dominant channelBlue

Hex per channelR 35 · G 58 · B EF

Keep nerding

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#3558EF

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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