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Colour

#0071FF

  • #0071FF
  • Blue
  • Dark
  • Nearest: Royal blue

#0071FF is a blue with RGB values 0, 113, 255 and HSL 213°, 100%, 50%. 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

#0071FF#0071FF
HEX#0071FF
RGBrgb(0, 113, 255)
RGB (0–1)0, 0.4431, 1
RGB percentages0%, 44.3%, 100%
HSLhsl(213.4, 100%, 50%)
HSV / HSBhsv(213.4, 100%, 100%)
CMYK100%, 55.7%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer29,183
CSS custom property--colour: #0071FF;

Brightness & contrast

Relative luminance0.1903WCAG 2.x, 0 is black and 1 is white
Perceived brightness122.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.81:1
Contrast with white4.37:1WCAG normal text: Fail
Contrast with black4.81:1WCAG normal text: AA
Greyscale equivalent#636363
Inverted#FF8E00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0084FFno red cones; affects about 1% of men; ΔE 15.4 from the original
Deuteranopia#006FFCno green cones; the most common form, about 1% of men; ΔE 0.9 from the original
Tritanopia#0095ADno blue cones; rare, and affects men and women equally; ΔE 76.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.37:1WCAG large text: AA
Contrast with black, large text4.81:1WCAG large text: AAA

Named colours

Royal blue · ΔE 12.6Medium slateblue · ΔE 17.6Slate blue · ΔE 21.8Dodgerblue · ΔE 24.6Medium purple · ΔE 28.9Cornflower blue · ΔE 35.7
Nearest named CSS colourRoyal blue (#4169E1)ΔE 12.64, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF8E00
Analogous#00F1FF, #0E00FF
Triadic#FF0071, #71FF00
Split complementary#FF0E00, #F1FF00
Tetradic#FF00F1, #FF8E00, #00FF0E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CCE3FF
Lighter +30%#99C6FF
Lighter +20%#66AAFF
Lighter +10%#338DFF
Darker −10%#005ACC
Darker −20%#004499
Darker −30%#002D66
Darker −40%#001733
More saturated +25%#0071FF
Less saturated −25%#2075DF

Channel breakdown

R0
G113
B255
Red0 (0%)
Green113 (44.3%)
Blue255 (100%)
Hue213.41°
Saturation (HSL)100%
Lightness50%
Dominant channelBlue
Hex per channelR 00 · G 71 · B FF

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Every value on this page was computed from “0071ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.