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Colour

#6464FF

  • #6464FF
  • Blue
  • Dark
  • Nearest: Medium slateblue

#6464FF is a blue with RGB values 100, 100, 255 and HSL 240°, 100%, 70%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#6464FF#6464FF
HEX#6464FF
RGBrgb(100, 100, 255)
RGB (0–1)0.3922, 0.3922, 1
RGB percentages39.2%, 39.2%, 100%
HSLhsl(240, 100%, 69.6%)
HSV / HSBhsv(240, 60.8%, 100%)
CMYK60.8%, 60.8%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,579,455
CSS custom property--colour: #6464FF;

Brightness & contrast

Relative luminance0.19044WCAG 2.x, 0 is black and 1 is white
Perceived brightness127.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.81:1
Contrast with white4.37:1WCAG normal text: Fail
Contrast with black4.81:1WCAG normal text: AA
Greyscale equivalent#6F6F6F
Inverted#9B9B00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#007FFFno red cones; affects about 1% of men; ΔE 26 from the original
Deuteranopia#0072FCno green cones; the most common form, about 1% of men; ΔE 18.1 from the original
Tritanopia#008BA8no blue cones; rare, and affects men and women equally; ΔE 84.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.37:1WCAG large text: AA
Contrast with black, large text4.81:1WCAG large text: AAA

Named colours

Medium slateblue · ΔE 12.4Slate blue · ΔE 21.9Royal blue · ΔE 22Blue violet · ΔE 26.9Dark orchid · ΔE 27.9Medium purple · ΔE 28.5
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 12.41, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFFF64
Analogous#64B2FF, #B264FF
Triadic#FF6464, #64FF64
Split complementary#FFB264, #B2FF64
Tetradic#FF64B2, #FFFF64, #64FFB2

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FDFDFF
Lighter +20%#CACAFF
Lighter +10%#9797FF
Darker −10%#3131FF
Darker −20%#0000FD
Darker −30%#0000CA
Darker −40%#000097
More saturated +25%#6464FF
Less saturated −25%#7777EC

Channel breakdown

R100
G100
B255
Red100 (39.2%)
Green100 (39.2%)
Blue255 (100%)
Hue240°
Saturation (HSL)100%
Lightness69.61%
Dominant channelBlue
Hex per channelR 64 · G 64 · B FF

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Every value on this page was computed from “6464ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.