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Recognised as Colour

#A1D2FF

  • #A1D2FF
  • Blue
  • Light
  • Nearest: Light skyblue

#A1D2FF is a blue with RGB values 161, 210, 255 and HSL 209°, 100%, 82%. It is a light colour, so black text on it reaches 13.2:1 contrast (AAA for normal text). The nearest named colour is Light skyblue.

Colour values

#A1D2FF#A1D2FF
HEX#A1D2FF
RGBrgb(161, 210, 255)
RGB (0–1)0.6314, 0.8235, 1
RGB percentages63.1%, 82.4%, 100%
HSLhsl(208.7, 100%, 81.6%)
HSV / HSBhsv(208.7, 36.9%, 100%)
CMYK36.9%, 17.6%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,605,311
CSS custom property--colour: #A1D2FF;

Brightness & contrast

Relative luminance0.6089WCAG 2.x, 0 is black and 1 is white
Perceived brightness202.6 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.18:1
Contrast with white1.59:1WCAG normal text: Fail
Contrast with black13.18:1WCAG normal text: AAA
Greyscale equivalent#CBCBCB
Inverted#5E2D00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C0D2FFno red cones; affects about 1% of men; ΔE 9.4 from the original
Deuteranopia#B4C8FEno green cones; the most common form, about 1% of men; ΔE 10.5 from the original
Tritanopia#81DDE1no blue cones; rare, and affects men and women equally; ΔE 26.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.59:1WCAG large text: Fail
Contrast with black, large text13.18:1WCAG large text: AAA

Named colours

Light skyblue · ΔE 6.4Sky blue · ΔE 11.7Light steelblue · ΔE 13.1Light blue · ΔE 16.7Powder blue · ΔE 21.4Lavender · ΔE 21.7
Nearest named CSS colourLight skyblue (#87CEFA)ΔE 6.41, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFCEA1
Analogous#A1FFFD, #A1A3FF
Triadic#FFA1D2, #D2FFA1
Split complementary#FFA1A3, #FFFDA1
Tetradic#FDA1FF, #FFCEA1, #A3FFA1

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FFFFFF
Lighter +10%#D4EAFF
Darker −10%#6EBAFF
Darker −20%#3BA1FF
Darker −30%#0889FF
Darker −40%#006FD4
More saturated +25%#A1D2FF
Less saturated −25%#ADD2F3

Channel breakdown

R161
G210
B255
Red161 (63.1%)
Green210 (82.4%)
Blue255 (100%)
Hue208.72°
Saturation (HSL)100%
Lightness81.57%
Dominant channelBlue
Hex per channelR A1 · G D2 · B FF

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Every value on this page was computed from “a1d2ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.