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Recognised as Colour

#A3C9FD

  • #A3C9FD
  • Blue
  • Light
  • Nearest: Light skyblue

#A3C9FD is a blue with RGB values 163, 201, 253 and HSL 215°, 96%, 82%. It is a light colour, so black text on it reaches 12.3:1 contrast (AAA for normal text). The nearest named colour is Light skyblue.

Colour values

#A3C9FD#A3C9FD
HEX#A3C9FD
RGBrgb(163, 201, 253)
RGB (0–1)0.6392, 0.7882, 0.9922
RGB percentages63.9%, 78.8%, 99.2%
HSLhsl(214.7, 95.7%, 81.6%)
HSV / HSBhsv(214.7, 35.6%, 99.2%)
CMYK35.6%, 20.6%, 0%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,734,077
CSS custom property--colour: #A3C9FD;

Brightness & contrast

Relative luminance0.56652WCAG 2.x, 0 is black and 1 is white
Perceived brightness197.4 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.33:1
Contrast with white1.7:1WCAG normal text: Fail
Contrast with black12.33:1WCAG normal text: AAA
Greyscale equivalent#C5C5C5
Inverted#5C3602

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B6CBFFno red cones; affects about 1% of men; ΔE 5.3 from the original
Deuteranopia#ACC2FCno green cones; the most common form, about 1% of men; ΔE 6.3 from the original
Tritanopia#86D4DAno blue cones; rare, and affects men and women equally; ΔE 29.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.7:1WCAG large text: Fail
Contrast with black, large text12.33:1WCAG large text: AAA

Named colours

Light skyblue · ΔE 10.6Light steelblue · ΔE 14.5Sky blue · ΔE 16.7Light blue · ΔE 21.3Deep skyblue · ΔE 22.9Lavender · ΔE 23.5
Nearest named CSS colourLight skyblue (#87CEFA)ΔE 10.56, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FDD7A3
Analogous#A3F6FD, #AAA3FD
Triadic#FDA3C9, #C9FDA3
Split complementary#FDAAA3, #F6FDA3
Tetradic#FDA3F6, #FDD7A3, #A3FDAA

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FFFFFF
Lighter +10%#D5E6FE
Darker −10%#71ACFC
Darker −20%#3F8EFB
Darker −30%#0D71FA
Darker −40%#055ACF
More saturated +25%#A1C9FF
Less saturated −25%#AFCBF1

Channel breakdown

R163
G201
B253
Red163 (63.9%)
Green201 (78.8%)
Blue253 (99.2%)
Hue214.67°
Saturation (HSL)95.74%
Lightness81.57%
Dominant channelBlue
Hex per channelR A3 · G C9 · B FD

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Every value on this page was computed from “a3c9fd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.