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Recognised as Colour

#A4DEFC

  • #A4DEFC
  • Blue
  • Light
  • Nearest: Sky blue

#A4DEFC is a blue with RGB values 164, 222, 252 and HSL 200°, 94%, 82%. It is a light colour, so black text on it reaches 14.4:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#A4DEFC#A4DEFC
HEX#A4DEFC
RGBrgb(164, 222, 252)
RGB (0–1)0.6431, 0.8706, 0.9882
RGB percentages64.3%, 87.1%, 98.8%
HSLhsl(200.5, 93.6%, 81.6%)
HSV / HSBhsv(200.5, 34.9%, 98.8%)
CMYK34.9%, 11.9%, 0%, 1.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,804,988
CSS custom property--colour: #A4DEFC;

Brightness & contrast

Relative luminance0.67163WCAG 2.x, 0 is black and 1 is white
Perceived brightness210.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.43:1
Contrast with white1.46:1WCAG normal text: Fail
Contrast with black14.43:1WCAG normal text: AAA
Greyscale equivalent#D4D4D4
Inverted#5B2103

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CFDCFEno red cones; affects about 1% of men; ΔE 14.3 from the original
Deuteranopia#C3D2FCno green cones; the most common form, about 1% of men; ΔE 15.2 from the original
Tritanopia#85E6E7no blue cones; rare, and affects men and women equally; ΔE 20.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.46:1WCAG large text: Fail
Contrast with black, large text14.43:1WCAG large text: AAA

Named colours

Sky blue · ΔE 7.3Light blue · ΔE 9.2Light skyblue · ΔE 9.9Powder blue · ΔE 12.8Light steelblue · ΔE 13.4Pale turquoise · ΔE 17
Nearest named CSS colourSky blue (#87CEEB)ΔE 7.31, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FCC2A4
Analogous#A4FCEE, #A4B2FC
Triadic#FCA4DE, #DEFCA4
Split complementary#FCA4B2, #FCEEA4
Tetradic#EEA4FC, #FCC2A4, #B2FCA4

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FFFFFF
Lighter +10%#D5F0FE
Darker −10%#73CCFA
Darker −20%#41BAF9
Darker −30%#10A8F7
Darker −40%#078ACD
More saturated +25%#A1DFFF
Less saturated −25%#B0DAF0

Channel breakdown

R164
G222
B252
Red164 (64.3%)
Green222 (87.1%)
Blue252 (98.8%)
Hue200.45°
Saturation (HSL)93.62%
Lightness81.57%
Dominant channelBlue
Hex per channelR A4 · G DE · B FC

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Every value on this page was computed from “a4defc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.