Nerdulator> put something in

Colour

#3579D7

  • #3579D7
  • Blue
  • Dark
  • Nearest: Cornflower blue

#3579D7 is a blue with RGB values 53, 121, 215 and HSL 215°, 67%, 53%. 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

#3579D7#3579D7
HEX#3579D7
RGBrgb(53, 121, 215)
RGB (0–1)0.2078, 0.4745, 0.8431
RGB percentages20.8%, 47.5%, 84.3%
HSLhsl(214.8, 66.9%, 52.5%)
HSV / HSBhsv(214.8, 75.3%, 84.3%)
CMYK75.3%, 43.7%, 0%, 15.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,504,599
CSS custom property--colour: #3579D7;

Brightness & contrast

Relative luminance0.19338WCAG 2.x, 0 is black and 1 is white
Perceived brightness121.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.87:1
Contrast with white4.31:1WCAG normal text: Fail
Contrast with black4.87:1WCAG normal text: AA
Greyscale equivalent#717171
Inverted#CA8628

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4982DBno red cones; affects about 1% of men; ΔE 5 from the original
Deuteranopia#2A73D5no 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 text4.31:1WCAG large text: AA
Contrast with black, large text4.87:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 12.1Dodgerblue · ΔE 12.3Royal blue · ΔE 19Slate blue · ΔE 25.9Medium purple · ΔE 26.4Steel blue · ΔE 26.9
Nearest named CSS colourCornflower blue (#6495ED)ΔE 12.11, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D79335
Analogous#35CAD7, #4235D7
Triadic#D73579, #79D735
Split complementary#D74235, #CAD735
Tetradic#D735CA, #D79335, #35D742

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DFEAF9
Lighter +30%#B5CEF0
Lighter +20%#8AB1E8
Lighter +10%#6095DF
Darker −10%#2461B5
Darker −20%#1B4A8B
Darker −30%#133360
Darker −40%#0B1D35
More saturated +25%#1774F5
Less saturated −25%#537EB9

Channel breakdown

R53
G121
B215
Red53 (20.8%)
Green121 (47.5%)
Blue215 (84.3%)
Hue214.81°
Saturation (HSL)66.94%
Lightness52.55%
Dominant channelBlue
Hex per channelR 35 · G 79 · B D7

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “3579d7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.