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Recognised as Colour

#2872F3

  • #2872F3
  • Blue
  • Dark
  • Nearest: Royal blue

#2872F3 is a blue with RGB values 40, 114, 243 and HSL 218°, 89%, 55%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#2872F3#2872F3
HEX#2872F3
RGBrgb(40, 114, 243)
RGB (0–1)0.1569, 0.4471, 0.9529
RGB percentages15.7%, 44.7%, 95.3%
HSLhsl(218.1, 89.4%, 55.5%)
HSV / HSBhsv(218.1, 83.5%, 95.3%)
CMYK83.5%, 53.1%, 0%, 4.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,650,867
CSS custom property--colour: #2872F3;

Brightness & contrast

Relative luminance0.18957WCAG 2.x, 0 is black and 1 is white
Perceived brightness121.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.79:1
Contrast with white4.38:1WCAG normal text: Fail
Contrast with black4.79:1WCAG normal text: AA
Greyscale equivalent#6C6C6C
Inverted#D78D0C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0082F8no red cones; affects about 1% of men; ΔE 11.4 from the original
Deuteranopia#0070F0no green cones; the most common form, about 1% of men; ΔE 2.1 from the original
Tritanopia#0092A7no blue cones; rare, and affects men and women equally; ΔE 70.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.38:1WCAG large text: AA
Contrast with black, large text4.79:1WCAG large text: AAA

Named colours

Royal blue · ΔE 6.5Medium slateblue · ΔE 17.4Slate blue · ΔE 18.1Dodgerblue · ΔE 18.7Medium purple · ΔE 24.4Cornflower blue · ΔE 28.8
Nearest named CSS colourRoyal blue (#4169E1)ΔE 6.46, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F3A928
Analogous#28D8F3, #4328F3
Triadic#F32872, #72F328
Split complementary#F34328, #D8F328
Tetradic#F328D8, #F3A928, #28F343

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E9F1FE
Lighter +30%#B9D1FB
Lighter +20%#89B1F8
Lighter +10%#5892F6
Darker −10%#0C58DC
Darker −20%#0A45AB
Darker −30%#07317B
Darker −40%#041E4B
More saturated +25%#1C6FFF
Less saturated −25%#447AD7

Channel breakdown

R40
G114
B243
Red40 (15.7%)
Green114 (44.7%)
Blue243 (95.3%)
Hue218.13°
Saturation (HSL)89.43%
Lightness55.49%
Dominant channelBlue
Hex per channelR 28 · G 72 · B F3

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Every value on this page was computed from “2872f3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.