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Recognised as Colour

#0447EF

  • #0447EF
  • Blue
  • Dark
  • Nearest: Medium blue

#0447EF is a blue with RGB values 4, 71, 239 and HSL 223°, 97%, 48%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Medium blue.

Colour values

#0447EF#0447EF
HEX#0447EF
RGBrgb(4, 71, 239)
RGB (0–1)0.0157, 0.2784, 0.9373
RGB percentages1.6%, 27.8%, 93.7%
HSLhsl(222.9, 96.7%, 47.6%)
HSV / HSBhsv(222.9, 98.3%, 93.7%)
CMYK98.3%, 70.3%, 0%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer280,559
CSS custom property--colour: #0447EF;

Brightness & contrast

Relative luminance0.10764WCAG 2.x, 0 is black and 1 is white
Perceived brightness97.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.66:1
Contrast with white6.66:1WCAG normal text: AA
Contrast with black3.15:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#FBB810

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0067F4no red cones; affects about 1% of men; ΔE 22.6 from the original
Deuteranopia#0052ECno green cones; the most common form, about 1% of men; ΔE 9.8 from the original
Tritanopia#007796no blue cones; rare, and affects men and women equally; ΔE 90.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.66:1WCAG large text: AAA
Contrast with black, large text3.15:1WCAG large text: AA

Named colours

Medium blue · ΔE 23.7Blue violet · ΔE 24.9Medium slateblue · ΔE 26.7Dark blue · ΔE 30.8Dark orchid · ΔE 32.2Dark violet · ΔE 32.5
Nearest named CSS colourMedium blue (#0000CD)ΔE 23.7, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EFAC04
Analogous#04BCEF, #3704EF
Triadic#EF0447, #47EF04
Split complementary#EF3704, #BCEF04
Tetradic#EF04BC, #EFAC04, #04EF37

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C1D2FE
Lighter +30%#8FAEFD
Lighter +20%#5D8AFC
Lighter +10%#2B66FB
Darker −10%#0338BD
Darker −20%#02298B
Darker −30%#011A59
Darker −40%#010B26
More saturated +25%#0045F3
Less saturated −25%#2254D1

Channel breakdown

R4
G71
B239
Red4 (1.6%)
Green71 (27.8%)
Blue239 (93.7%)
Hue222.89°
Saturation (HSL)96.71%
Lightness47.65%
Dominant channelBlue
Hex per channelR 04 · G 47 · B EF

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Every value on this page was computed from “0447ef” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.