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Recognised as Colour

#64DBFF

  • #64DBFF
  • Cyan
  • Light
  • Nearest: Sky blue

#64DBFF is a cyan with RGB values 100, 219, 255 and HSL 194°, 100%, 70%. It is a light colour, so black text on it reaches 13.1:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#64DBFF#64DBFF
HEX#64DBFF
RGBrgb(100, 219, 255)
RGB (0–1)0.3922, 0.8588, 1
RGB percentages39.2%, 85.9%, 100%
HSLhsl(193.9, 100%, 69.6%)
HSV / HSBhsv(193.9, 60.8%, 100%)
CMYK60.8%, 14.1%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,609,919
CSS custom property--colour: #64DBFF;

Brightness & contrast

Relative luminance0.60592WCAG 2.x, 0 is black and 1 is white
Perceived brightness196.4 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.12:1
Contrast with white1.6:1WCAG normal text: Fail
Contrast with black13.12:1WCAG normal text: AAA
Greyscale equivalent#C4C4C4
Inverted#9B2400

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C5D6FFno red cones; affects about 1% of men; ΔE 26.9 from the original
Deuteranopia#AFC5FFno green cones; the most common form, about 1% of men; ΔE 29.1 from the original
Tritanopia#00E7E6no blue cones; rare, and affects men and women equally; ΔE 26.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.6:1WCAG large text: Fail
Contrast with black, large text13.12:1WCAG large text: AAA

Named colours

Sky blue · ΔE 10.8Light skyblue · ΔE 12.6Deep skyblue · ΔE 18.6Light blue · ΔE 20.3Powder blue · ΔE 21.9Pale turquoise · ΔE 22.9
Nearest named CSS colourSky blue (#87CEEB)ΔE 10.85, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF8864
Analogous#64FFD6, #648DFF
Triadic#FF64DB, #DBFF64
Split complementary#FF648D, #FFD664
Tetradic#D664FF, #FF8864, #8EFF64

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FDFFFF
Lighter +20%#CAF3FF
Lighter +10%#97E7FF
Darker −10%#31CFFF
Darker −20%#00C2FD
Darker −30%#009BCA
Darker −40%#007497
More saturated +25%#64DBFF
Less saturated −25%#77D1EC

Channel breakdown

R100
G219
B255
Red100 (39.2%)
Green219 (85.9%)
Blue255 (100%)
Hue193.94°
Saturation (HSL)100%
Lightness69.61%
Dominant channelBlue
Hex per channelR 64 · G DB · B FF

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Every value on this page was computed from “64dbff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.