Colour

#3566F4

#3566F4
Blue
Dark
Nearest: Royal blue

#3566F4 is a blue with RGB values 53, 102, 244 and HSL 225°, 90%, 58%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#3566F4#3566F4

HEX#3566F4

RGBrgb(53, 102, 244)

RGB (0–1)0.2078, 0.4, 0.9569

RGB percentages20.8%, 40%, 95.7%

HSLhsl(224.6, 89.7%, 58.2%)

HSV / HSBhsv(224.6, 78.3%, 95.7%)

CMYK78.3%, 58.2%, 0%, 4.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,499,764

CSS custom property--colour: #3566F4;

Brightness & contrast

Relative luminance0.16791WCAG 2.x, 0 is black and 1 is white

Perceived brightness117.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.82:1

Contrast with white4.82:1WCAG normal text: AA

Contrast with black4.36:1WCAG normal text: Fail

Greyscale equivalent#666666

Inverted#CA990B

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#007BF9no red cones; affects about 1% of men; ΔE 15.8 from the original

Deuteranopia#0069F1no green cones; the most common form, about 1% of men; ΔE 5.8 from the original

Tritanopia#008AA3no blue cones; rare, and affects men and women equally; ΔE 77.5 from the original

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

Contrast with white, large text4.82:1WCAG large text: AAA

Contrast with black, large text4.36:1WCAG large text: AA

Named colours

Royal blue · ΔE 12.8 Medium slateblue · ΔE 13.3 Slate blue · ΔE 18.3 Medium purple · ΔE 26.7 Dodgerblue · ΔE 29 Rebecca purple · ΔE 33.6

Nearest named CSS colourRoyal blue (#4169E1)ΔE 12.8, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#F4C335

Analogous#35C6F4, #6335F4

Triadic#F43566, #66F435

Split complementary#F46335, #C6F435

Tetradic#F435C6, #F4C335, #35F463

Tints, shades & saturation

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

Lighter +40%#F6F9FF

Lighter +30%#C6D4FC

Lighter +20%#96AFF9

Lighter +10%#658BF7

Darker −10%#0D45E9

Darker −20%#0A37B9

Darker −30%#072989

Darker −40%#051A58

More saturated +25%#2A61FF

Less saturated −25%#5073D9

Channel breakdown

R53

G102

B244

Red53 (20.8%)

Green102 (40%)

Blue244 (95.7%)

Hue224.61°

Saturation (HSL)89.67%

Lightness58.24%

Dominant channelBlue

Hex per channelR 35 · G 66 · B F4

Keep nerding

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

#3566F4

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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