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Recognised as Colour

#2872EB

  • #2872EB
  • Blue
  • Dark
  • Nearest: Royal blue

#2872EB is a blue with RGB values 40, 114, 235 and HSL 217°, 83%, 54%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#2872EB#2872EB
HEX#2872EB
RGBrgb(40, 114, 235)
RGB (0–1)0.1569, 0.4471, 0.9216
RGB percentages15.7%, 44.7%, 92.2%
HSLhsl(217.2, 83%, 53.9%)
HSV / HSBhsv(217.2, 83%, 92.2%)
CMYK83%, 51.5%, 0%, 7.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,650,859
CSS custom property--colour: #2872EB;

Brightness & contrast

Relative luminance0.18484WCAG 2.x, 0 is black and 1 is white
Perceived brightness120 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.7:1
Contrast with white4.47:1WCAG normal text: Fail
Contrast with black4.7:1WCAG normal text: AA
Greyscale equivalent#6B6B6B
Inverted#D78D14

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1A80EFno red cones; affects about 1% of men; ΔE 9.8 from the original
Deuteranopia#006FE9no green cones; the most common form, about 1% of men; ΔE 2.1 from the original
Tritanopia#0090A4no blue cones; rare, and affects men and women equally; ΔE 66.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.47:1WCAG large text: AA
Contrast with black, large text4.7:1WCAG large text: AAA

Named colours

Royal blue · ΔE 5.5Dodgerblue · ΔE 15.4Slate blue · ΔE 17.9Medium slateblue · ΔE 19.6Medium purple · ΔE 23.4Cornflower blue · ΔE 24.8
Nearest named CSS colourRoyal blue (#4169E1)ΔE 5.52, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EBA128
Analogous#28D3EB, #4028EB
Triadic#EB2872, #72EB28
Split complementary#EB3F28, #D3EB28
Tetradic#EB28D3, #EBA128, #28EB40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E3ECFC
Lighter +30%#B4CEF8
Lighter +20%#85AFF4
Lighter +10%#5791EF
Darker −10%#135ACD
Darker −20%#0F459E
Darker −30%#0A3170
Darker −40%#061C41
More saturated +25%#146DFF
Less saturated −25%#4579CE

Channel breakdown

R40
G114
B235
Red40 (15.7%)
Green114 (44.7%)
Blue235 (92.2%)
Hue217.23°
Saturation (HSL)82.98%
Lightness53.92%
Dominant channelBlue
Hex per channelR 28 · G 72 · B EB

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Every value on this page was computed from “2872eb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.