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Colour

#004DD1

  • #004DD1
  • Blue
  • Dark
  • Nearest: Royal blue

#004DD1 is a blue with RGB values 0, 77, 209 and HSL 218°, 100%, 41%. It is a dark colour, so white text on it reaches 7:1 contrast (AAA for normal text). The nearest named colour is Royal blue.

Colour values

#004DD1#004DD1
HEX#004DD1
RGBrgb(0, 77, 209)
RGB (0–1)0, 0.302, 0.8196
RGB percentages0%, 30.2%, 82%
HSLhsl(217.9, 100%, 41%)
HSV / HSBhsv(217.9, 100%, 82%)
CMYK100%, 63.2%, 0%, 18%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer19,921
CSS custom property--colour: #004DD1;

Brightness & contrast

Relative luminance0.09911WCAG 2.x, 0 is black and 1 is white
Perceived brightness92 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.04:1
Contrast with white7.04:1WCAG normal text: AAA
Contrast with black2.98:1WCAG normal text: Fail
Greyscale equivalent#464646
Inverted#FFB22E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0062D5no red cones; affects about 1% of men; ΔE 15.4 from the original
Deuteranopia#0050CFno green cones; the most common form, about 1% of men; ΔE 3.5 from the original
Tritanopia#007088no blue cones; rare, and affects men and women equally; ΔE 73.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.04:1WCAG large text: AAA
Contrast with black, large text2.98:1WCAG large text: Fail

Named colours

Royal blue · ΔE 14.6Slate blue · ΔE 17Medium slateblue · ΔE 17.8Rebecca purple · ΔE 27.6Medium purple · ΔE 28.7Dark blue · ΔE 28.7
Nearest named CSS colourRoyal blue (#4169E1)ΔE 14.63, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D18400
Analogous#00B6D1, #1B00D1
Triadic#D1004D, #4DD100
Split complementary#D11B00, #B6D100
Tetradic#D100B6, #D18400, #00D11B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9EC2FF
Lighter +30%#6BA2FF
Lighter +20%#3881FF
Lighter +10%#0561FF
Darker −10%#003A9E
Darker −20%#00276B
Darker −30%#001538
Darker −40%#000205
More saturated +25%#004DD1
Less saturated −25%#1A54B7

Channel breakdown

R0
G77
B209
Red0 (0%)
Green77 (30.2%)
Blue209 (82%)
Hue217.89°
Saturation (HSL)100%
Lightness40.98%
Dominant channelBlue
Hex per channelR 00 · G 4D · B D1

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Every value on this page was computed from “004dd1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.