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Recognised as Colour

#73ADDA

  • #73ADDA
  • Blue
  • Dark
  • Nearest: Light skyblue

#73ADDA is a blue with RGB values 115, 173, 218 and HSL 206°, 58%, 65%. It is a dark colour, so black text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Light skyblue.

Colour values

#73ADDA#73ADDA
HEX#73ADDA
RGBrgb(115, 173, 218)
RGB (0–1)0.451, 0.6784, 0.8549
RGB percentages45.1%, 67.8%, 85.5%
HSLhsl(206.2, 58.2%, 65.3%)
HSV / HSBhsv(206.2, 47.2%, 85.5%)
CMYK47.2%, 20.6%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,581,146
CSS custom property--colour: #73ADDA;

Brightness & contrast

Relative luminance0.38594WCAG 2.x, 0 is black and 1 is white
Perceived brightness164.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.72:1
Contrast with white2.41:1WCAG normal text: Fail
Contrast with black8.72:1WCAG normal text: AAA
Greyscale equivalent#A4A4A4
Inverted#8C5225

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9AADDCno red cones; affects about 1% of men; ΔE 11.5 from the original
Deuteranopia#8CA2D9no green cones; the most common form, about 1% of men; ΔE 12.6 from the original
Tritanopia#44B8BCno blue cones; rare, and affects men and women equally; ΔE 29.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.41:1WCAG large text: Fail
Contrast with black, large text8.72:1WCAG large text: AAA

Named colours

Light skyblue · ΔE 12Sky blue · ΔE 15.3Steel blue · ΔE 16.6Light steelblue · ΔE 17.6Deep skyblue · ΔE 18.2Light slate grey · ΔE 22
Nearest named CSS colourLight skyblue (#87CEFA)ΔE 11.97, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DAA073
Analogous#73DAD3, #737ADA
Triadic#DA73AD, #ADDA73
Split complementary#DA737A, #DAD373
Tetradic#D373DA, #DAA073, #7ADA73

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#ECF4FA
Lighter +20%#C4DCEF
Lighter +10%#9BC5E5
Darker −10%#4B95CF
Darker −20%#307CB7
Darker −30%#26618E
Darker −40%#1B4566
More saturated +25%#5DB0F0
Less saturated −25%#89AAC4

Channel breakdown

R115
G173
B218
Red115 (45.1%)
Green173 (67.8%)
Blue218 (85.5%)
Hue206.21°
Saturation (HSL)58.19%
Lightness65.29%
Dominant channelBlue
Hex per channelR 73 · G AD · B DA

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Every value on this page was computed from “73adda” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.