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Recognised as Colour

#0047DC

  • #0047DC
  • Blue
  • Dark
  • Nearest: Medium slateblue

#0047DC is a blue with RGB values 0, 71, 220 and HSL 221°, 100%, 43%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Medium slateblue.

Colour values

#0047DC#0047DC
HEX#0047DC
RGBrgb(0, 71, 220)
RGB (0–1)0, 0.2784, 0.8627
RGB percentages0%, 27.8%, 86.3%
HSLhsl(220.6, 100%, 43.1%)
HSV / HSBhsv(220.6, 100%, 86.3%)
CMYK100%, 67.7%, 0%, 13.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer18,396
CSS custom property--colour: #0047DC;

Brightness & contrast

Relative luminance0.09674WCAG 2.x, 0 is black and 1 is white
Perceived brightness92.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.16:1
Contrast with white7.16:1WCAG normal text: AAA
Contrast with black2.93:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#FFB823

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0061E1no red cones; affects about 1% of men; ΔE 18.5 from the original
Deuteranopia#004ED9no green cones; the most common form, about 1% of men; ΔE 7 from the original
Tritanopia#00718Cno blue cones; rare, and affects men and women equally; ΔE 82.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.16:1WCAG large text: AAA
Contrast with black, large text2.93:1WCAG large text: Fail

Named colours

Medium slateblue · ΔE 20.7Royal blue · ΔE 23.7Slate blue · ΔE 24.1Dark blue · ΔE 26.6Blue violet · ΔE 29Navy · ΔE 29.2
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 20.73, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DC9500
Analogous#00B5DC, #2700DC
Triadic#DC0047, #47DC00
Split complementary#DC2700, #B5DC00
Tetradic#DC00B5, #DC9500, #00DC27

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A9C5FF
Lighter +30%#76A2FF
Lighter +20%#4380FF
Lighter +10%#105DFF
Darker −10%#0037A9
Darker −20%#002676
Darker −30%#001643
Darker −40%#000510
More saturated +25%#0047DC
Less saturated −25%#1C51C1

Channel breakdown

R0
G71
B220
Red0 (0%)
Green71 (27.8%)
Blue220 (86.3%)
Hue220.64°
Saturation (HSL)100%
Lightness43.14%
Dominant channelBlue
Hex per channelR 00 · G 47 · B DC

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