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Recognised as Colour

#3A73E5

  • #3A73E5
  • Blue
  • Dark
  • Nearest: Royal blue

#3A73E5 is a blue with RGB values 58, 115, 229 and HSL 220°, 77%, 56%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#3A73E5#3A73E5
HEX#3A73E5
RGBrgb(58, 115, 229)
RGB (0–1)0.2275, 0.451, 0.898
RGB percentages22.7%, 45.1%, 89.8%
HSLhsl(220, 76.7%, 56.3%)
HSV / HSBhsv(220, 74.7%, 89.8%)
CMYK74.7%, 49.8%, 0%, 10.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,830,757
CSS custom property--colour: #3A73E5;

Brightness & contrast

Relative luminance0.18818WCAG 2.x, 0 is black and 1 is white
Perceived brightness121.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.76:1
Contrast with white4.41:1WCAG normal text: Fail
Contrast with black4.76:1WCAG normal text: AA
Greyscale equivalent#6F6F6F
Inverted#C58C1A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2D80E9no red cones; affects about 1% of men; ΔE 9.3 from the original
Deuteranopia#0071E3no green cones; the most common form, about 1% of men; ΔE 4.1 from the original
Tritanopia#008EA1no blue cones; rare, and affects men and women equally; ΔE 63.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.41:1WCAG large text: AA
Contrast with black, large text4.76:1WCAG large text: AAA

Named colours

Royal blue · ΔE 6.6Dodgerblue · ΔE 13.8Slate blue · ΔE 17.2Medium slateblue · ΔE 20.7Cornflower blue · ΔE 21.3Medium purple · ΔE 21.4
Nearest named CSS colourRoyal blue (#4169E1)ΔE 6.61, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E5AC3A
Analogous#3AC9E5, #573AE5
Triadic#E53A73, #73E53A
Split complementary#E5563A, #C9E53A
Tetradic#E53AC8, #E5AC3A, #3AE556

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EEF3FD
Lighter +30%#C1D3F7
Lighter +20%#94B3F1
Lighter +10%#6793EB
Darker −10%#1C58D0
Darker −20%#1645A3
Darker −30%#103276
Darker −40%#0A1F49
More saturated +25%#206AFF
Less saturated −25%#567CC9

Channel breakdown

R58
G115
B229
Red58 (22.7%)
Green115 (45.1%)
Blue229 (89.8%)
Hue220°
Saturation (HSL)76.68%
Lightness56.27%
Dominant channelBlue
Hex per channelR 3A · G 73 · B E5

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Every value on this page was computed from “3a73e5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.