Colour

#A3DDFF

#A3DDFF
Blue
Light
Nearest: Sky blue

#A3DDFF is a blue with RGB values 163, 221, 255 and HSL 202°, 100%, 82%. It is a light colour, so black text on it reaches 14.3:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#A3DDFF#A3DDFF

HEX#A3DDFF

RGBrgb(163, 221, 255)

RGB (0–1)0.6392, 0.8667, 1

RGB percentages63.9%, 86.7%, 100%

HSLhsl(202.2, 100%, 82%)

HSV / HSBhsv(202.2, 36.1%, 100%)

CMYK36.1%, 13.3%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,739,199

CSS custom property--colour: #A3DDFF;

Brightness & contrast

Relative luminance0.66719WCAG 2.x, 0 is black and 1 is white

Perceived brightness209.8 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 14.34:1

Contrast with white1.46:1WCAG normal text: Fail

Contrast with black14.34:1WCAG normal text: AAA

Greyscale equivalent#D3D3D3

Inverted#5C2200

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#CDDBFFno red cones; affects about 1% of men; ΔE 13.6 from the original

Deuteranopia#C0D1FFno green cones; the most common form, about 1% of men; ΔE 14.6 from the original

Tritanopia#83E6E8no blue cones; rare, and affects men and women equally; ΔE 22 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.46:1WCAG large text: Fail

Contrast with black, large text14.34:1WCAG large text: AAA

Named colours

Sky blue · ΔE 7.7 Light skyblue · ΔE 8.3 Light blue · ΔE 11.1 Light steelblue · ΔE 13.5 Powder blue · ΔE 14.9 Pale turquoise · ΔE 19.1

Nearest named CSS colourSky blue (#87CEEB)ΔE 7.69, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#FFC5A3

Analogous#A3FFF3, #A3AFFF

Triadic#FFA3DD, #DDFFA3

Split complementary#FFA3AF, #FFF3A3

Tetradic#F3A3FF, #FFC5A3, #AFFFA3

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#FFFFFF

Lighter +10%#D6F0FF

Darker −10%#70CAFF

Darker −20%#3DB7FF

Darker −30%#0AA4FF

Darker −40%#0087D6

More saturated +25%#A3DDFF

Less saturated −25%#AFDAF4

Channel breakdown

R163

G221

B255

Red163 (63.9%)

Green221 (86.7%)

Blue255 (100%)

Hue202.17°

Saturation (HSL)100%

Lightness81.96%

Dominant channelBlue

Hex per channelR A3 · G DD · B FF

Keep nerding

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

#A3DDFF

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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