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Recognised as Colour

#53AAE1

  • #53AAE1
  • Blue
  • Dark
  • Nearest: Deep skyblue

#53AAE1 is a blue with RGB values 83, 170, 225 and HSL 203°, 70%, 60%. It is a dark colour, so black text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#53AAE1#53AAE1
HEX#53AAE1
RGBrgb(83, 170, 225)
RGB (0–1)0.3255, 0.6667, 0.8824
RGB percentages32.5%, 66.7%, 88.2%
HSLhsl(203.2, 70.3%, 60.4%)
HSV / HSBhsv(203.2, 63.1%, 88.2%)
CMYK63.1%, 24.4%, 0%, 11.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,483,233
CSS custom property--colour: #53AAE1;

Brightness & contrast

Relative luminance0.36025WCAG 2.x, 0 is black and 1 is white
Perceived brightness157.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.2:1
Contrast with white2.56:1WCAG normal text: Fail
Contrast with black8.2:1WCAG normal text: AAA
Greyscale equivalent#9B9B9B
Inverted#AC551E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#91AAE4no red cones; affects about 1% of men; ΔE 15.7 from the original
Deuteranopia#7D9CE0no green cones; the most common form, about 1% of men; ΔE 16.8 from the original
Tritanopia#00B8BDno blue cones; rare, and affects men and women equally; ΔE 34.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.56:1WCAG large text: Fail
Contrast with black, large text8.2:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 12.2Light skyblue · ΔE 15Steel blue · ΔE 15.5Sky blue · ΔE 19.7Cornflower blue · ΔE 23.9Light steelblue · ΔE 25
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 12.24, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E18A53
Analogous#53E1D1, #5363E1
Triadic#E153AA, #AAE153
Split complementary#E15363, #E1D153
Tetradic#D153E1, #E18A53, #63E153

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D5EAF8
Lighter +20%#AAD5F0
Lighter +10%#7EBFE9
Darker −10%#2895D9
Darker −20%#1F77AF
Darker −30%#175A84
Darker −40%#0F3C59
More saturated +25%#3AB0FA
Less saturated −25%#6CA4C8

Channel breakdown

R83
G170
B225
Red83 (32.5%)
Green170 (66.7%)
Blue225 (88.2%)
Hue203.24°
Saturation (HSL)70.3%
Lightness60.39%
Dominant channelBlue
Hex per channelR 53 · G AA · B E1

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Every value on this page was computed from “53aae1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.