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Recognised as Colour

#A4AAFD

  • #A4AAFD
  • Blue
  • Dark
  • Nearest: Cornflower blue

#A4AAFD is a blue with RGB values 164, 170, 253 and HSL 236°, 96%, 82%. It is a dark colour, so black text on it reaches 9.7:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#A4AAFD#A4AAFD
HEX#A4AAFD
RGBrgb(164, 170, 253)
RGB (0–1)0.6431, 0.6667, 0.9922
RGB percentages64.3%, 66.7%, 99.2%
HSLhsl(236, 95.7%, 81.8%)
HSV / HSBhsv(236, 35.2%, 99.2%)
CMYK35.2%, 32.8%, 0%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,791,677
CSS custom property--colour: #A4AAFD;

Brightness & contrast

Relative luminance0.43734WCAG 2.x, 0 is black and 1 is white
Perceived brightness179.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.75:1
Contrast with white2.15:1WCAG normal text: Fail
Contrast with black9.75:1WCAG normal text: AAA
Greyscale equivalent#AFAFAF
Inverted#5B5502

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#90B4FFno red cones; affects about 1% of men; ΔE 10.3 from the original
Deuteranopia#8BAEFBno green cones; the most common form, about 1% of men; ΔE 9.2 from the original
Tritanopia#8BBAC8no blue cones; rare, and affects men and women equally; ΔE 41.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.15:1WCAG large text: Fail
Contrast with black, large text9.75:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 14.7Plum · ΔE 25.2Dodgerblue · ΔE 26Medium purple · ΔE 27.4Steel blue · ΔE 30.4Light skyblue · ΔE 31.8
Nearest named CSS colourCornflower blue (#6495ED)ΔE 14.73, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FDF7A4
Analogous#A4D7FD, #CBA4FD
Triadic#FDA4AA, #AAFDA4
Split complementary#FDCBA4, #D7FDA4
Tetradic#FDA4D6, #FDF7A4, #A4FDCB

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FFFFFF
Lighter +10%#D6D9FE
Darker −10%#727BFC
Darker −20%#404DFB
Darker −30%#0E1EFA
Darker −40%#0512D0
More saturated +25%#A2A8FF
Less saturated −25%#B0B4F1

Channel breakdown

R164
G170
B253
Red164 (64.3%)
Green170 (66.7%)
Blue253 (99.2%)
Hue235.96°
Saturation (HSL)95.7%
Lightness81.76%
Dominant channelBlue
Hex per channelR A4 · G AA · B FD

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Every value on this page was computed from “a4aafd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.