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Recognised as Colour

#A8DEF9

  • #A8DEF9
  • Blue
  • Light
  • Nearest: Light blue

#A8DEF9 is a blue with RGB values 168, 222, 249 and HSL 200°, 87%, 82%. It is a light colour, so black text on it reaches 14.5:1 contrast (AAA for normal text). The nearest named colour is Light blue.

Colour values

#A8DEF9#A8DEF9
HEX#A8DEF9
RGBrgb(168, 222, 249)
RGB (0–1)0.6588, 0.8706, 0.9765
RGB percentages65.9%, 87.1%, 97.6%
HSLhsl(200, 87.1%, 81.8%)
HSV / HSBhsv(200, 32.5%, 97.6%)
CMYK32.5%, 10.8%, 0%, 2.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,067,129
CSS custom property--colour: #A8DEF9;

Brightness & contrast

Relative luminance0.67407WCAG 2.x, 0 is black and 1 is white
Perceived brightness210.8 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.48:1
Contrast with white1.45:1WCAG normal text: Fail
Contrast with black14.48:1WCAG normal text: AAA
Greyscale equivalent#D4D4D4
Inverted#572106

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D1DCFAno red cones; affects about 1% of men; ΔE 13.7 from the original
Deuteranopia#C5D2F9no green cones; the most common form, about 1% of men; ΔE 14.8 from the original
Tritanopia#8DE6E6no blue cones; rare, and affects men and women equally; ΔE 18.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.45:1WCAG large text: Fail
Contrast with black, large text14.48:1WCAG large text: AAA

Named colours

Light blue · ΔE 7.5Sky blue · ΔE 8Powder blue · ΔE 11.2Light skyblue · ΔE 11.5Light steelblue · ΔE 12.6Pale turquoise · ΔE 15.7
Nearest named CSS colourLight blue (#ADD8E6)ΔE 7.48, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F9C3A8
Analogous#A8F9EC, #A8B5F9
Triadic#F9A8DE, #DEF9A8
Split complementary#F9A8B6, #F9EBA8
Tetradic#EBA8F9, #F9C3A8, #B6F9A8

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FFFFFF
Lighter +10%#D8F0FC
Darker −10%#78CCF6
Darker −20%#49BAF2
Darker −30%#19A8EF
Darker −40%#0E89C7
More saturated +25%#A2E0FF
Less saturated −25%#B4DAED

Channel breakdown

R168
G222
B249
Red168 (65.9%)
Green222 (87.1%)
Blue249 (97.6%)
Hue200°
Saturation (HSL)87.1%
Lightness81.76%
Dominant channelBlue
Hex per channelR A8 · G DE · B F9

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Every value on this page was computed from “a8def9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.