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Recognised as Colour

#AAD3FD

  • #AAD3FD
  • Blue
  • Light
  • Nearest: Light skyblue

#AAD3FD is a blue with RGB values 170, 211, 253 and HSL 210°, 95%, 83%. It is a light colour, so black text on it reaches 13.4:1 contrast (AAA for normal text). The nearest named colour is Light skyblue.

Colour values

#AAD3FD#AAD3FD
HEX#AAD3FD
RGBrgb(170, 211, 253)
RGB (0–1)0.6667, 0.8275, 0.9922
RGB percentages66.7%, 82.7%, 99.2%
HSLhsl(210.4, 95.4%, 82.9%)
HSV / HSBhsv(210.4, 32.8%, 99.2%)
CMYK32.8%, 16.6%, 0%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,195,389
CSS custom property--colour: #AAD3FD;

Brightness & contrast

Relative luminance0.62226WCAG 2.x, 0 is black and 1 is white
Perceived brightness205.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.45:1
Contrast with white1.56:1WCAG normal text: Fail
Contrast with black13.45:1WCAG normal text: AAA
Greyscale equivalent#CDCDCD
Inverted#552C02

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C3D4FFno red cones; affects about 1% of men; ΔE 7.6 from the original
Deuteranopia#B9CBFCno green cones; the most common form, about 1% of men; ΔE 8.4 from the original
Tritanopia#90DDE1no blue cones; rare, and affects men and women equally; ΔE 24.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.56:1WCAG large text: Fail
Contrast with black, large text13.45:1WCAG large text: AAA

Named colours

Light skyblue · ΔE 8.6Light steelblue · ΔE 11Sky blue · ΔE 12.3Light blue · ΔE 15.2Lavender · ΔE 19.1Powder blue · ΔE 20
Nearest named CSS colourLight skyblue (#87CEFA)ΔE 8.62, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FDD4AA
Analogous#AAFDFD, #AAAAFD
Triadic#FDAAD3, #D3FDAA
Split complementary#FDAAAA, #FDFDAA
Tetradic#FDAAFD, #FDD4AA, #AAFDAA

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FFFFFF
Lighter +10%#DCEDFE
Darker −10%#78B9FC
Darker −20%#469FFB
Darker −30%#1586F9
Darker −40%#056CD6
More saturated +25%#A8D3FF
Less saturated −25%#B5D3F2

Channel breakdown

R170
G211
B253
Red170 (66.7%)
Green211 (82.7%)
Blue253 (99.2%)
Hue210.36°
Saturation (HSL)95.4%
Lightness82.94%
Dominant channelBlue
Hex per channelR AA · G D3 · B FD

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Every value on this page was computed from “aad3fd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.