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Recognised as Colour

#ACADEF

  • #ACADEF
  • Blue
  • Dark
  • Nearest: Cornflower blue

#ACADEF is a blue with RGB values 172, 173, 239 and HSL 239°, 68%, 81%. It is a dark colour, so black text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#ACADEF#ACADEF
HEX#ACADEF
RGBrgb(172, 173, 239)
RGB (0–1)0.6745, 0.6784, 0.9373
RGB percentages67.5%, 67.8%, 93.7%
HSLhsl(239.1, 67.7%, 80.6%)
HSV / HSBhsv(239.1, 28%, 93.7%)
CMYK28%, 27.6%, 0%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,316,719
CSS custom property--colour: #ACADEF;

Brightness & contrast

Relative luminance0.4489WCAG 2.x, 0 is black and 1 is white
Perceived brightness181.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.98:1
Contrast with white2.1:1WCAG normal text: Fail
Contrast with black9.98:1WCAG normal text: AAA
Greyscale equivalent#B2B2B2
Inverted#535210

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9BB5F2no red cones; affects about 1% of men; ΔE 8.5 from the original
Deuteranopia#98B1EDno green cones; the most common form, about 1% of men; ΔE 8.4 from the original
Tritanopia#9CB9C4no blue cones; rare, and affects men and women equally; ΔE 32.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.1:1WCAG large text: Fail
Contrast with black, large text9.98:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 20.1Plum · ΔE 21.5Light steelblue · ΔE 24.2Thistle · ΔE 24.9Light skyblue · ΔE 26.2Steel blue · ΔE 27.3
Nearest named CSS colourCornflower blue (#6495ED)ΔE 20.14, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EFEEAC
Analogous#ACCFEF, #CCACEF
Triadic#EFACAD, #ADEFAC
Split complementary#EFCDAC, #CFEFAC
Tetradic#EFACCF, #EFEEAC, #ACEFCD

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FFFFFF
Lighter +10%#D7D7F7
Darker −10%#8183E7
Darker −20%#5659DF
Darker −30%#2C2ED6
Darker −40%#2124AE
More saturated +25%#A0A1FB
Less saturated −25%#B8B9E3

Channel breakdown

R172
G173
B239
Red172 (67.5%)
Green173 (67.8%)
Blue239 (93.7%)
Hue239.1°
Saturation (HSL)67.68%
Lightness80.59%
Dominant channelBlue
Hex per channelR AC · G AD · B EF

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