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Recognised as Colour

#2739FF

  • #2739FF
  • Blue
  • Dark
  • Nearest: Medium blue

#2739FF is a blue with RGB values 39, 57, 255 and HSL 235°, 100%, 58%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Medium blue.

Colour values

#2739FF#2739FF
HEX#2739FF
RGBrgb(39, 57, 255)
RGB (0–1)0.1529, 0.2235, 1
RGB percentages15.3%, 22.4%, 100%
HSLhsl(235, 100%, 57.6%)
HSV / HSBhsv(235, 84.7%, 100%)
CMYK84.7%, 77.6%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,570,751
CSS custom property--colour: #2739FF;

Brightness & contrast

Relative luminance0.10578WCAG 2.x, 0 is black and 1 is white
Perceived brightness98.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.74:1
Contrast with white6.74:1WCAG normal text: AA
Contrast with black3.12:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#D8C600

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0066FFno red cones; affects about 1% of men; ΔE 32.5 from the original
Deuteranopia#0050FCno green cones; the most common form, about 1% of men; ΔE 17 from the original
Tritanopia#00779Cno blue cones; rare, and affects men and women equally; ΔE 103.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.74:1WCAG large text: AAA
Contrast with black, large text3.12:1WCAG large text: AA

Named colours

Medium blue · ΔE 15.6Blue · ΔE 20.9Blue violet · ΔE 23.5Dark violet · ΔE 29.9Dark orchid · ΔE 37.2Dark blue · ΔE 39.1
Nearest named CSS colourMedium blue (#0000CD)ΔE 15.57, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFED27
Analogous#27A5FF, #8127FF
Triadic#FF2739, #39FF27
Split complementary#FF8127, #A5FF27
Tetradic#FF27A5, #FFED27, #27FF81

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F3F4FF
Lighter +30%#C0C5FF
Lighter +20%#8D96FF
Lighter +10%#5A68FF
Darker −10%#0014F3
Darker −20%#0010C0
Darker −30%#000C8D
Darker −40%#00085A
More saturated +25%#2739FF
Less saturated −25%#4250E4

Channel breakdown

R39
G57
B255
Red39 (15.3%)
Green57 (22.4%)
Blue255 (100%)
Hue235°
Saturation (HSL)100%
Lightness57.65%
Dominant channelBlue
Hex per channelR 27 · G 39 · B FF

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Every value on this page was computed from “2739ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.