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Recognised as Colour

#2839DC

  • #2839DC
  • Blue
  • Dark
  • Nearest: Medium blue

#2839DC is a blue with RGB values 40, 57, 220 and HSL 234°, 72%, 51%. It is a dark colour, so white text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#2839DC#2839DC
HEX#2839DC
RGBrgb(40, 57, 220)
RGB (0–1)0.1569, 0.2235, 0.8627
RGB percentages15.7%, 22.4%, 86.3%
HSLhsl(234.3, 72%, 51%)
HSV / HSBhsv(234.3, 81.8%, 86.3%)
CMYK81.8%, 74.1%, 0%, 13.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,636,252
CSS custom property--colour: #2839DC;

Brightness & contrast

Relative luminance0.08545WCAG 2.x, 0 is black and 1 is white
Perceived brightness88.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.75:1
Contrast with white7.75:1WCAG normal text: AAA
Contrast with black2.71:1WCAG normal text: Fail
Greyscale equivalent#414141
Inverted#D7C623

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005BE1no red cones; affects about 1% of men; ΔE 24 from the original
Deuteranopia#0049D9no green cones; the most common form, about 1% of men; ΔE 13.6 from the original
Tritanopia#006988no blue cones; rare, and affects men and women equally; ΔE 88.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.75:1WCAG large text: AAA
Contrast with black, large text2.71:1WCAG large text: Fail

Named colours

Medium blue · ΔE 20.4Blue violet · ΔE 21.5Dark blue · ΔE 25.1Medium slateblue · ΔE 26.9Dark orchid · ΔE 28.2Dark violet · ΔE 28.4
Nearest named CSS colourMedium blue (#0000CD)ΔE 20.37, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DCCB28
Analogous#2893DC, #7128DC
Triadic#DC2839, #39DC28
Split complementary#DC7128, #93DC28
Tetradic#DC2893, #DCCB28, #28DC71

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D7DBF9
Lighter +30%#ACB2F1
Lighter +20%#808AEA
Lighter +10%#5461E3
Darker −10%#1D2BB4
Darker −20%#162188
Darker −30%#0F165C
Darker −40%#080C30
More saturated +25%#0920FB
Less saturated −25%#4752BD

Channel breakdown

R40
G57
B220
Red40 (15.7%)
Green57 (22.4%)
Blue220 (86.3%)
Hue234.33°
Saturation (HSL)72%
Lightness50.98%
Dominant channelBlue
Hex per channelR 28 · G 39 · B DC

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Every value on this page was computed from “2839dc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.