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Colour

#73A1FF

  • #73A1FF
  • Blue
  • Dark
  • Nearest: Cornflower blue

#73A1FF is a blue with RGB values 115, 161, 255 and HSL 220°, 100%, 73%. It is a dark colour, so black text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#73A1FF#73A1FF
HEX#73A1FF
RGBrgb(115, 161, 255)
RGB (0–1)0.451, 0.6314, 1
RGB percentages45.1%, 63.1%, 100%
HSLhsl(220.3, 100%, 72.5%)
HSV / HSBhsv(220.3, 54.9%, 100%)
CMYK54.9%, 36.9%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,578,111
CSS custom property--colour: #73A1FF;

Brightness & contrast

Relative luminance0.36355WCAG 2.x, 0 is black and 1 is white
Perceived brightness163 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.27:1
Contrast with white2.54:1WCAG normal text: Fail
Contrast with black8.27:1WCAG normal text: AAA
Greyscale equivalent#9E9E9E
Inverted#8C5E00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7BA9FFno red cones; affects about 1% of men; ΔE 5.6 from the original
Deuteranopia#699DFDno green cones; the most common form, about 1% of men; ΔE 2.3 from the original
Tritanopia#18B6C4no blue cones; rare, and affects men and women equally; ΔE 54.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.54:1WCAG large text: Fail
Contrast with black, large text8.27:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 5.6Dodgerblue · ΔE 14.1Royal blue · ΔE 28Steel blue · ΔE 28.3Medium purple · ΔE 28.4Deep skyblue · ΔE 30.6
Nearest named CSS colourCornflower blue (#6495ED)ΔE 5.57, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFD173
Analogous#73E7FF, #8B73FF
Triadic#FF73A1, #A1FF73
Split complementary#FF8B73, #E7FF73
Tetradic#FF73E7, #FFD173, #73FF8B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#D9E5FF
Lighter +10%#A6C3FF
Darker −10%#407FFF
Darker −20%#0D5DFF
Darker −30%#0047D9
Darker −40%#0037A6
More saturated +25%#73A1FF
Less saturated −25%#84A7EE

Channel breakdown

R115
G161
B255
Red115 (45.1%)
Green161 (63.1%)
Blue255 (100%)
Hue220.29°
Saturation (HSL)100%
Lightness72.55%
Dominant channelBlue
Hex per channelR 73 · G A1 · B FF

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Every value on this page was computed from “73a1ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.