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Colour

#004FD8

  • #004FD8
  • Blue
  • Dark
  • Nearest: Royal blue

#004FD8 is a blue with RGB values 0, 79, 216 and HSL 218°, 100%, 42%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#004FD8#004FD8
HEX#004FD8
RGBrgb(0, 79, 216)
RGB (0–1)0, 0.3098, 0.8471
RGB percentages0%, 31%, 84.7%
HSLhsl(218.1, 100%, 42.4%)
HSV / HSBhsv(218.1, 100%, 84.7%)
CMYK100%, 63.4%, 0%, 15.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer20,440
CSS custom property--colour: #004FD8;

Brightness & contrast

Relative luminance0.1055WCAG 2.x, 0 is black and 1 is white
Perceived brightness94.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.75:1
Contrast with white6.75:1WCAG normal text: AA
Contrast with black3.11:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#FFB027

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0065DCno red cones; affects about 1% of men; ΔE 16.1 from the original
Deuteranopia#0052D5no green cones; the most common form, about 1% of men; ΔE 4 from the original
Tritanopia#00748Cno blue cones; rare, and affects men and women equally; ΔE 76.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.75:1WCAG large text: AAA
Contrast with black, large text3.11:1WCAG large text: AA

Named colours

Royal blue · ΔE 15.9Medium slateblue · ΔE 17.5Slate blue · ΔE 18.4Dark blue · ΔE 29.2Rebecca purple · ΔE 29.5Medium purple · ΔE 29.7
Nearest named CSS colourRoyal blue (#4169E1)ΔE 15.89, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D88900
Analogous#00BBD8, #1D00D8
Triadic#D8004F, #4FD800
Split complementary#D81D00, #BBD800
Tetradic#D800BB, #D88900, #00D81D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A5C6FF
Lighter +30%#72A6FF
Lighter +20%#3F85FF
Lighter +10%#0C65FF
Darker −10%#003CA5
Darker −20%#002A72
Darker −30%#00173F
Darker −40%#00040C
More saturated +25%#004FD8
Less saturated −25%#1B56BD

Channel breakdown

R0
G79
B216
Red0 (0%)
Green79 (31%)
Blue216 (84.7%)
Hue218.06°
Saturation (HSL)100%
Lightness42.35%
Dominant channelBlue
Hex per channelR 00 · G 4F · B D8

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Every value on this page was computed from “004fd8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.