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Colour

#A3DBFF

  • #A3DBFF
  • Blue
  • Light
  • Nearest: Light skyblue

#A3DBFF is a blue with RGB values 163, 219, 255 and HSL 203°, 100%, 82%. It is a light colour, so black text on it reaches 14.1:1 contrast (AAA for normal text). The nearest named colour is Light skyblue.

Colour values

#A3DBFF#A3DBFF
HEX#A3DBFF
RGBrgb(163, 219, 255)
RGB (0–1)0.6392, 0.8588, 1
RGB percentages63.9%, 85.9%, 100%
HSLhsl(203.5, 100%, 82%)
HSV / HSBhsv(203.5, 36.1%, 100%)
CMYK36.1%, 14.1%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,738,687
CSS custom property--colour: #A3DBFF;

Brightness & contrast

Relative luminance0.6567WCAG 2.x, 0 is black and 1 is white
Perceived brightness208.6 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.13:1
Contrast with white1.49:1WCAG normal text: Fail
Contrast with black14.13:1WCAG normal text: AAA
Greyscale equivalent#D2D2D2
Inverted#5C2400

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CBDAFFno red cones; affects about 1% of men; ΔE 12.6 from the original
Deuteranopia#BECFFEno green cones; the most common form, about 1% of men; ΔE 13.8 from the original
Tritanopia#83E4E7no blue cones; rare, and affects men and women equally; ΔE 22.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.49:1WCAG large text: Fail
Contrast with black, large text14.13:1WCAG large text: AAA

Named colours

Light skyblue · ΔE 7.5Sky blue · ΔE 8.1Light blue · ΔE 11.9Light steelblue · ΔE 13Powder blue · ΔE 16Lavender · ΔE 20.1
Nearest named CSS colourLight skyblue (#87CEFA)ΔE 7.48, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFC7A3
Analogous#A3FFF5, #A3ADFF
Triadic#FFA3DB, #DBFFA3
Split complementary#FFA3AD, #FFF5A3
Tetradic#F5A3FF, #FFC7A3, #ADFFA3

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FFFFFF
Lighter +10%#D6EFFF
Darker −10%#70C7FF
Darker −20%#3DB3FF
Darker −30%#0A9FFF
Darker −40%#0082D6
More saturated +25%#A3DBFF
Less saturated −25%#AFD8F4

Channel breakdown

R163
G219
B255
Red163 (63.9%)
Green219 (85.9%)
Blue255 (100%)
Hue203.48°
Saturation (HSL)100%
Lightness81.96%
Dominant channelBlue
Hex per channelR A3 · G DB · B FF

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Every value on this page was computed from “a3dbff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.