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Colour

#A1CEF1

  • #A1CEF1
  • Blue
  • Light
  • Nearest: Light skyblue

#A1CEF1 is a blue with RGB values 161, 206, 241 and HSL 206°, 74%, 79%. It is a light colour, so black text on it reaches 12.6:1 contrast (AAA for normal text). The nearest named colour is Light skyblue.

Colour values

#A1CEF1#A1CEF1
HEX#A1CEF1
RGBrgb(161, 206, 241)
RGB (0–1)0.6314, 0.8078, 0.9451
RGB percentages63.1%, 80.8%, 94.5%
HSLhsl(206.3, 74.1%, 78.8%)
HSV / HSBhsv(206.3, 33.2%, 94.5%)
CMYK33.2%, 14.5%, 0%, 5.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,604,273
CSS custom property--colour: #A1CEF1;

Brightness & contrast

Relative luminance0.58071WCAG 2.x, 0 is black and 1 is white
Perceived brightness198.2 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.61:1
Contrast with white1.66:1WCAG normal text: Fail
Contrast with black12.61:1WCAG normal text: AAA
Greyscale equivalent#C7C7C7
Inverted#5E310E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#BFCDF3no red cones; affects about 1% of men; ΔE 10 from the original
Deuteranopia#B5C5F0no green cones; the most common form, about 1% of men; ΔE 10.4 from the original
Tritanopia#87D7D9no blue cones; rare, and affects men and women equally; ΔE 21.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.66:1WCAG large text: Fail
Contrast with black, large text12.61:1WCAG large text: AAA

Named colours

Light skyblue · ΔE 7.9Sky blue · ΔE 8.5Light steelblue · ΔE 8.9Light blue · ΔE 11.8Powder blue · ΔE 16.8Lavender · ΔE 19.5
Nearest named CSS colourLight skyblue (#87CEFA)ΔE 7.89, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F1C4A1
Analogous#A1F1EC, #A1A6F1
Triadic#F1A1CE, #CEF1A1
Split complementary#F1A1A6, #F1ECA1
Tetradic#ECA1F1, #F1C4A1, #A6F1A1

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FAFCFE
Lighter +10%#CDE5F8
Darker −10%#75B7EA
Darker −20%#48A0E4
Darker −30%#2088D9
Darker −40%#1A6CAC
More saturated +25%#94D0FF
Less saturated −25%#AFCCE3

Channel breakdown

R161
G206
B241
Red161 (63.1%)
Green206 (80.8%)
Blue241 (94.5%)
Hue206.25°
Saturation (HSL)74.07%
Lightness78.82%
Dominant channelBlue
Hex per channelR A1 · G CE · B F1

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Every value on this page was computed from “a1cef1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.