Recognised as Colour

#647AE5

#647AE5
Blue
Dark
Nearest: Royal blue

#647AE5 is a blue with RGB values 100, 122, 229 and HSL 230°, 71%, 65%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#647AE5#647AE5

HEX#647AE5

RGBrgb(100, 122, 229)

RGB (0–1)0.3922, 0.4784, 0.898

RGB percentages39.2%, 47.8%, 89.8%

HSLhsl(229.8, 71.3%, 64.5%)

HSV / HSBhsv(229.8, 56.3%, 89.8%)

CMYK56.3%, 46.7%, 0%, 10.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,585,061

CSS custom property--colour: #647AE5;

Brightness & contrast

Relative luminance0.22286WCAG 2.x, 0 is black and 1 is white

Perceived brightness133.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.46:1

Contrast with white3.85:1WCAG normal text: Fail

Contrast with black5.46:1WCAG normal text: AA

Greyscale equivalent#7D7D7D

Inverted#9B851A

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4788E9no red cones; affects about 1% of men; ΔE 12.6 from the original

Deuteranopia#357DE3no green cones; the most common form, about 1% of men; ΔE 10.1 from the original

Tritanopia#1092A4no blue cones; rare, and affects men and women equally; ΔE 61.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.85:1WCAG large text: AA

Contrast with black, large text5.46:1WCAG large text: AAA

Named colours

Royal blue · ΔE 11.1 Dodgerblue · ΔE 15.3 Medium purple · ΔE 15.5 Slate blue · ΔE 15.9 Cornflower blue · ΔE 17.3 Medium slateblue · ΔE 20.1

Nearest named CSS colourRoyal blue (#4169E1)ΔE 11.07, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#E5CF64

Analogous#64BAE5, #8F64E5

Triadic#E5647A, #7AE564

Split complementary#E58F64, #BBE564

Tetradic#E564BA, #E5CF64, #64E58F

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#E7EAFB

Lighter +20%#BBC5F4

Lighter +10%#909FEC

Darker −10%#3855DE

Darker −20%#213CC2

Darker −30%#192F97

Darker −40%#12216B

More saturated +25%#4D6BFC

Less saturated −25%#7B89CE

Channel breakdown

R100

G122

B229

Red100 (39.2%)

Green122 (47.8%)

Blue229 (89.8%)

Hue229.77°

Saturation (HSL)71.27%

Lightness64.51%

Dominant channelBlue

Hex per channelR 64 · G 7A · B E5

Keep nerding

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

#647AE5

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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