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Colour

#0047C5

  • #0047C5
  • Blue
  • Dark
  • Nearest: Royal blue

#0047C5 is a blue with RGB values 0, 71, 197 and HSL 218°, 100%, 39%. It is a dark colour, so white text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Royal blue.

Colour values

#0047C5#0047C5
HEX#0047C5
RGBrgb(0, 71, 197)
RGB (0–1)0, 0.2784, 0.7725
RGB percentages0%, 27.8%, 77.3%
HSLhsl(218.4, 100%, 38.6%)
HSV / HSBhsv(218.4, 100%, 77.3%)
CMYK100%, 64%, 0%, 22.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer18,373
CSS custom property--colour: #0047C5;

Brightness & contrast

Relative luminance0.08538WCAG 2.x, 0 is black and 1 is white
Perceived brightness85.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.76:1
Contrast with white7.76:1WCAG normal text: AAA
Contrast with black2.71:1WCAG normal text: Fail
Greyscale equivalent#414141
Inverted#FFB83A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005BC9no red cones; affects about 1% of men; ΔE 14.7 from the original
Deuteranopia#004AC3no green cones; the most common form, about 1% of men; ΔE 3.5 from the original
Tritanopia#00697Fno blue cones; rare, and affects men and women equally; ΔE 71.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.76:1WCAG large text: AAA
Contrast with black, large text2.71:1WCAG large text: Fail

Named colours

Royal blue · ΔE 15.2Slate blue · ΔE 16.3Medium slateblue · ΔE 19.5Rebecca purple · ΔE 25.1Dark blue · ΔE 26.8Navy · ΔE 27
Nearest named CSS colourRoyal blue (#4169E1)ΔE 15.18, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C57E00
Analogous#00AAC5, #1B00C5
Triadic#C50047, #47C500
Split complementary#C51B00, #AAC500
Tetradic#C500AA, #C57E00, #00C51B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#92B9FF
Lighter +30%#5F99FF
Lighter +20%#2C78FF
Lighter +10%#0059F8
Darker −10%#003592
Darker −20%#00225F
Darker −30%#00102C
Darker −40%#000000
More saturated +25%#0047C5
Less saturated −25%#194EAC

Channel breakdown

R0
G71
B197
Red0 (0%)
Green71 (27.8%)
Blue197 (77.3%)
Hue218.38°
Saturation (HSL)100%
Lightness38.63%
Dominant channelBlue
Hex per channelR 00 · G 47 · B C5

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Every value on this page was computed from “0047c5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.