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Recognised as Colour

#2D73FF

  • #2D73FF
  • Blue
  • Dark
  • Nearest: Royal blue

#2D73FF is a blue with RGB values 45, 115, 255 and HSL 220°, 100%, 59%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#2D73FF#2D73FF
HEX#2D73FF
RGBrgb(45, 115, 255)
RGB (0–1)0.1765, 0.451, 1
RGB percentages17.6%, 45.1%, 100%
HSLhsl(220, 100%, 58.8%)
HSV / HSBhsv(220, 82.4%, 100%)
CMYK82.4%, 54.9%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,978,815
CSS custom property--colour: #2D73FF;

Brightness & contrast

Relative luminance0.20039WCAG 2.x, 0 is black and 1 is white
Perceived brightness125.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.01:1
Contrast with white4.19:1WCAG normal text: Fail
Contrast with black5.01:1WCAG normal text: AA
Greyscale equivalent#6E6E6E
Inverted#D28C00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0086FFno red cones; affects about 1% of men; ΔE 16.2 from the original
Deuteranopia#0073FCno green cones; the most common form, about 1% of men; ΔE 3.2 from the original
Tritanopia#0096AEno blue cones; rare, and affects men and women equally; ΔE 75.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.19:1WCAG large text: AA
Contrast with black, large text5.01:1WCAG large text: AAA

Named colours

Royal blue · ΔE 11.3Medium slateblue · ΔE 15.8Slate blue · ΔE 20.2Dodgerblue · ΔE 23.7Medium purple · ΔE 26.8Cornflower blue · ΔE 34.2
Nearest named CSS colourRoyal blue (#4169E1)ΔE 11.31, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFB92D
Analogous#2DDCFF, #502DFF
Triadic#FF2D73, #73FF2D
Split complementary#FF502D, #DCFF2D
Tetradic#FF2DDC, #FFB92D, #2DFF50

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F9FBFF
Lighter +30%#C6D9FF
Lighter +20%#93B7FF
Lighter +10%#6095FF
Darker −10%#0053F9
Darker −20%#0042C6
Darker −30%#003193
Darker −40%#002060
More saturated +25%#2D73FF
Less saturated −25%#477CE5

Channel breakdown

R45
G115
B255
Red45 (17.6%)
Green115 (45.1%)
Blue255 (100%)
Hue220°
Saturation (HSL)100%
Lightness58.82%
Dominant channelBlue
Hex per channelR 2D · G 73 · B FF

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Every value on this page was computed from “2d73ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.