Colour

#6488FF

#6488FF
Blue
Dark
Nearest: Royal blue

#6488FF is a blue with RGB values 100, 136, 255 and HSL 226°, 100%, 70%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#6488FF#6488FF

HEX#6488FF

RGBrgb(100, 136, 255)

RGB (0–1)0.3922, 0.5333, 1

RGB percentages39.2%, 53.3%, 100%

HSLhsl(226.1, 100%, 69.6%)

HSV / HSBhsv(226.1, 60.8%, 100%)

CMYK60.8%, 46.7%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,588,671

CSS custom property--colour: #6488FF;

Brightness & contrast

Relative luminance0.27538WCAG 2.x, 0 is black and 1 is white

Perceived brightness145.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.51:1

Contrast with white3.23:1WCAG normal text: Fail

Contrast with black6.51:1WCAG normal text: AA

Greyscale equivalent#898989

Inverted#9B7700

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4D97FFno red cones; affects about 1% of men; ΔE 13.8 from the original

Deuteranopia#3189FDno green cones; the most common form, about 1% of men; ΔE 8.5 from the original

Tritanopia#00A3B7no blue cones; rare, and affects men and women equally; ΔE 66.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.23:1WCAG large text: AA

Contrast with black, large text6.51:1WCAG large text: AAA

Named colours

Royal blue · ΔE 12.3 Dodgerblue · ΔE 13 Cornflower blue · ΔE 19.5 Medium purple · ΔE 19.6 Medium slateblue · ΔE 19.7 Slate blue · ΔE 20

Nearest named CSS colourRoyal blue (#4169E1)ΔE 12.29, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#FFDB64

Analogous#64D6FF, #8D64FF

Triadic#FF6488, #88FF64

Split complementary#FF8D64, #D5FF64

Tetradic#FF64D6, #FFDB64, #64FF8D

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FDFDFF

Lighter +20%#CAD6FF

Lighter +10%#97AFFF

Darker −10%#3161FF

Darker −20%#003BFD

Darker −30%#002FCA

Darker −40%#002397

More saturated +25%#6488FF

Less saturated −25%#7792EC

Channel breakdown

R100

G136

B255

Red100 (39.2%)

Green136 (53.3%)

Blue255 (100%)

Hue226.06°

Saturation (HSL)100%

Lightness69.61%

Dominant channelBlue

Hex per channelR 64 · G 88 · B FF

Keep nerding

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#6488FF

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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