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Recognised as Colour

#0072DF

  • #0072DF
  • Blue
  • Dark
  • Nearest: Royal blue

#0072DF is a blue with RGB values 0, 114, 223 and HSL 209°, 100%, 44%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#0072DF#0072DF
HEX#0072DF
RGBrgb(0, 114, 223)
RGB (0–1)0, 0.4471, 0.8745
RGB percentages0%, 44.7%, 87.5%
HSLhsl(209.3, 100%, 43.7%)
HSV / HSBhsv(209.3, 100%, 87.5%)
CMYK100%, 48.9%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer29,407
CSS custom property--colour: #0072DF;

Brightness & contrast

Relative luminance0.17362WCAG 2.x, 0 is black and 1 is white
Perceived brightness115.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.7:1
Contrast with white4.7:1WCAG normal text: AA
Contrast with black4.47:1WCAG normal text: Fail
Greyscale equivalent#626262
Inverted#FF8D20

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2D7DE3no red cones; affects about 1% of men; ΔE 6.5 from the original
Deuteranopia#006BDDno green cones; the most common form, about 1% of men; ΔE 4.8 from the original
Tritanopia#008D9Eno blue cones; rare, and affects men and women equally; ΔE 60.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.7:1WCAG large text: AAA
Contrast with black, large text4.47:1WCAG large text: AA

Named colours

Royal blue · ΔE 11.4Dodgerblue · ΔE 11.9Cornflower blue · ΔE 19.7Slate blue · ΔE 21.8Medium purple · ΔE 25.9Medium slateblue · ΔE 26.3
Nearest named CSS colourRoyal blue (#4169E1)ΔE 11.45, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DF6D00
Analogous#00DFDD, #0002DF
Triadic#DF0072, #72DF00
Split complementary#DF0003, #DFDD00
Tetradic#DC00DF, #DF6D00, #02DF00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ACD6FF
Lighter +30%#79BEFF
Lighter +20%#46A5FF
Lighter +10%#138CFF
Darker −10%#0058AC
Darker −20%#003E79
Darker −30%#002446
Darker −40%#000A13
More saturated +25%#0072DF
Less saturated −25%#1C71C3

Channel breakdown

R0
G114
B223
Red0 (0%)
Green114 (44.7%)
Blue223 (87.5%)
Hue209.33°
Saturation (HSL)100%
Lightness43.73%
Dominant channelBlue
Hex per channelR 00 · G 72 · B DF

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Every value on this page was computed from “0072df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.