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Recognised as Colour

#004FDA

  • #004FDA
  • Blue
  • Dark
  • Nearest: Royal blue

#004FDA is a blue with RGB values 0, 79, 218 and HSL 218°, 100%, 43%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#004FDA#004FDA
HEX#004FDA
RGBrgb(0, 79, 218)
RGB (0–1)0, 0.3098, 0.8549
RGB percentages0%, 31%, 85.5%
HSLhsl(218.3, 100%, 42.7%)
HSV / HSBhsv(218.3, 100%, 85.5%)
CMYK100%, 63.8%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer20,442
CSS custom property--colour: #004FDA;

Brightness & contrast

Relative luminance0.10654WCAG 2.x, 0 is black and 1 is white
Perceived brightness95.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.71:1
Contrast with white6.71:1WCAG normal text: AA
Contrast with black3.13:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#FFB025

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0065DEno red cones; affects about 1% of men; ΔE 16 from the original
Deuteranopia#0053D7no green cones; the most common form, about 1% of men; ΔE 4.8 from the original
Tritanopia#00748Dno blue cones; rare, and affects men and women equally; ΔE 76.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.71:1WCAG large text: AAA
Contrast with black, large text3.13:1WCAG large text: AA

Named colours

Royal blue · ΔE 16.7Medium slateblue · ΔE 17.6Slate blue · ΔE 19.1Dark blue · ΔE 29.2Rebecca purple · ΔE 30.1Medium purple · ΔE 30.3
Nearest named CSS colourRoyal blue (#4169E1)ΔE 16.75, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DA8B00
Analogous#00BCDA, #1E00DA
Triadic#DA004F, #4FDA00
Split complementary#DA1E00, #BCDA00
Tetradic#DA00BC, #DA8B00, #00DA1E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A7C7FF
Lighter +30%#74A6FF
Lighter +20%#4186FF
Lighter +10%#0E65FF
Darker −10%#003DA7
Darker −20%#002A74
Darker −30%#001841
Darker −40%#00050E
More saturated +25%#004FDA
Less saturated −25%#1B56BF

Channel breakdown

R0
G79
B218
Red0 (0%)
Green79 (31%)
Blue218 (85.5%)
Hue218.26°
Saturation (HSL)100%
Lightness42.75%
Dominant channelBlue
Hex per channelR 00 · G 4F · B DA

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Every value on this page was computed from “004fda” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.