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Colour

#A9C6FB

  • #A9C6FB
  • Blue
  • Light
  • Nearest: Light skyblue

#A9C6FB is a blue with RGB values 169, 198, 251 and HSL 219°, 91%, 82%. It is a light colour, so black text on it reaches 12.2:1 contrast (AAA for normal text). The nearest named colour is Light skyblue.

Colour values

#A9C6FB#A9C6FB
HEX#A9C6FB
RGBrgb(169, 198, 251)
RGB (0–1)0.6627, 0.7765, 0.9843
RGB percentages66.3%, 77.6%, 98.4%
HSLhsl(218.8, 91.1%, 82.4%)
HSV / HSBhsv(218.8, 32.7%, 98.4%)
CMYK32.7%, 21.1%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,126,523
CSS custom property--colour: #A9C6FB;

Brightness & contrast

Relative luminance0.55788WCAG 2.x, 0 is black and 1 is white
Perceived brightness196.8 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.16:1
Contrast with white1.73:1WCAG normal text: Fail
Contrast with black12.16:1WCAG normal text: AAA
Greyscale equivalent#C4C4C4
Inverted#563904

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B4C9FDno red cones; affects about 1% of men; ΔE 2.9 from the original
Deuteranopia#ACC2FAno green cones; the most common form, about 1% of men; ΔE 3 from the original
Tritanopia#91D1D8no blue cones; rare, and affects men and women equally; ΔE 28.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.73:1WCAG large text: Fail
Contrast with black, large text12.16:1WCAG large text: AAA

Named colours

Light skyblue · ΔE 13.3Light steelblue · ΔE 14.5Sky blue · ΔE 19Light blue · ΔE 22.6Thistle · ΔE 22.7Lavender · ΔE 23.2
Nearest named CSS colourLight skyblue (#87CEFA)ΔE 13.27, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FBDEA9
Analogous#A9EFFB, #B5A9FB
Triadic#FBA9C6, #C6FBA9
Split complementary#FBB5A9, #EFFBA9
Tetradic#FBA9EF, #FBDEA9, #A9FBB5

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FFFFFF
Lighter +10%#DAE6FD
Darker −10%#78A6F9
Darker −20%#4885F6
Darker −30%#1765F4
Darker −40%#0A4FCE
More saturated +25%#A5C5FF
Less saturated −25%#B4C9F0

Channel breakdown

R169
G198
B251
Red169 (66.3%)
Green198 (77.6%)
Blue251 (98.4%)
Hue218.78°
Saturation (HSL)91.11%
Lightness82.35%
Dominant channelBlue
Hex per channelR A9 · G C6 · B FB

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Every value on this page was computed from “a9c6fb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.