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Recognised as Colour

#3479D7

  • #3479D7
  • Blue
  • Dark
  • Nearest: Cornflower blue

#3479D7 is a blue with RGB values 52, 121, 215 and HSL 215°, 67%, 52%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#3479D7#3479D7
HEX#3479D7
RGBrgb(52, 121, 215)
RGB (0–1)0.2039, 0.4745, 0.8431
RGB percentages20.4%, 47.5%, 84.3%
HSLhsl(214.6, 67.1%, 52.4%)
HSV / HSBhsv(214.6, 75.8%, 84.3%)
CMYK75.8%, 43.7%, 0%, 15.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,439,063
CSS custom property--colour: #3479D7;

Brightness & contrast

Relative luminance0.19311WCAG 2.x, 0 is black and 1 is white
Perceived brightness121.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.86:1
Contrast with white4.32:1WCAG normal text: Fail
Contrast with black4.86:1WCAG normal text: AA
Greyscale equivalent#717171
Inverted#CB8628

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4982DBno red cones; affects about 1% of men; ΔE 5 from the original
Deuteranopia#2973D5no green cones; the most common form, about 1% of men; ΔE 3.6 from the original
Tritanopia#008F9Dno blue cones; rare, and affects men and women equally; ΔE 53.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.32:1WCAG large text: AA
Contrast with black, large text4.86:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 12.1Dodgerblue · ΔE 12.3Royal blue · ΔE 19Slate blue · ΔE 26Medium purple · ΔE 26.5Steel blue · ΔE 26.9
Nearest named CSS colourCornflower blue (#6495ED)ΔE 12.14, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D79234
Analogous#34CAD7, #4134D7
Triadic#D73479, #79D734
Split complementary#D74134, #CAD734
Tetradic#D734CA, #D79234, #34D741

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DEE9F9
Lighter +30%#B4CDF0
Lighter +20%#89B1E8
Lighter +10%#5F95DF
Darker −10%#2461B4
Darker −20%#1B4A8A
Darker −30%#13335F
Darker −40%#0A1C35
More saturated +25%#1674F5
Less saturated −25%#527EB9

Channel breakdown

R52
G121
B215
Red52 (20.4%)
Green121 (47.5%)
Blue215 (84.3%)
Hue214.6°
Saturation (HSL)67.08%
Lightness52.35%
Dominant channelBlue
Hex per channelR 34 · G 79 · B D7

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Every value on this page was computed from “3479d7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.