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Recognised as Colour

#2733FF

  • #2733FF
  • Blue
  • Dark
  • Nearest: Medium blue

#2733FF is a blue with RGB values 39, 51, 255 and HSL 237°, 100%, 58%. It is a dark colour, so white text on it reaches 7:1 contrast (AA for normal text). The nearest named colour is Medium blue.

Colour values

#2733FF#2733FF
HEX#2733FF
RGBrgb(39, 51, 255)
RGB (0–1)0.1529, 0.2, 1
RGB percentages15.3%, 20%, 100%
HSLhsl(236.7, 100%, 57.6%)
HSV / HSBhsv(236.7, 84.7%, 100%)
CMYK84.7%, 80%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,569,215
CSS custom property--colour: #2733FF;

Brightness & contrast

Relative luminance0.10019WCAG 2.x, 0 is black and 1 is white
Perceived brightness96.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.99:1
Contrast with white6.99:1WCAG normal text: AA
Contrast with black3:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#D8CC00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0064FFno red cones; affects about 1% of men; ΔE 34.4 from the original
Deuteranopia#004EFCno green cones; the most common form, about 1% of men; ΔE 19 from the original
Tritanopia#00759Bno blue cones; rare, and affects men and women equally; ΔE 106 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.99:1WCAG large text: AAA
Contrast with black, large text3:1WCAG large text: AA

Named colours

Medium blue · ΔE 14.8Blue · ΔE 17.5Blue violet · ΔE 24.6Dark violet · ΔE 30.2Dark orchid · ΔE 38.8Dark blue · ΔE 40.7
Nearest named CSS colourMedium blue (#0000CD)ΔE 14.79, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFF327
Analogous#279FFF, #8727FF
Triadic#FF2733, #33FF27
Split complementary#FF8727, #9FFF27
Tetradic#FF279F, #FFF327, #27FF87

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F3F4FF
Lighter +30%#C0C3FF
Lighter +20%#8D93FF
Lighter +10%#5A63FF
Darker −10%#000DF3
Darker −20%#000BC0
Darker −30%#00088D
Darker −40%#00055A
More saturated +25%#2733FF
Less saturated −25%#424BE4

Channel breakdown

R39
G51
B255
Red39 (15.3%)
Green51 (20%)
Blue255 (100%)
Hue236.67°
Saturation (HSL)100%
Lightness57.65%
Dominant channelBlue
Hex per channelR 27 · G 33 · B FF

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Every value on this page was computed from “2733ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.