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Colour

#004BD1

  • #004BD1
  • Blue
  • Dark
  • Nearest: Royal blue

#004BD1 is a blue with RGB values 0, 75, 209 and HSL 218°, 100%, 41%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Royal blue.

Colour values

#004BD1#004BD1
HEX#004BD1
RGBrgb(0, 75, 209)
RGB (0–1)0, 0.2941, 0.8196
RGB percentages0%, 29.4%, 82%
HSLhsl(218.5, 100%, 41%)
HSV / HSBhsv(218.5, 100%, 82%)
CMYK100%, 64.1%, 0%, 18%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer19,409
CSS custom property--colour: #004BD1;

Brightness & contrast

Relative luminance0.09636WCAG 2.x, 0 is black and 1 is white
Perceived brightness91 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.17:1
Contrast with white7.17:1WCAG normal text: AAA
Contrast with black2.93:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#FFB42E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0061D5no red cones; affects about 1% of men; ΔE 16.2 from the original
Deuteranopia#004FCFno green cones; the most common form, about 1% of men; ΔE 4.3 from the original
Tritanopia#006F87no blue cones; rare, and affects men and women equally; ΔE 74.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.17:1WCAG large text: AAA
Contrast with black, large text2.93:1WCAG large text: Fail

Named colours

Royal blue · ΔE 16.1Slate blue · ΔE 17.8Medium slateblue · ΔE 18.1Dark blue · ΔE 27.7Rebecca purple · ΔE 27.9Navy · ΔE 28.7
Nearest named CSS colourRoyal blue (#4169E1)ΔE 16.08, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D18600
Analogous#00B4D1, #1D00D1
Triadic#D1004B, #4BD100
Split complementary#D11E00, #B3D100
Tetradic#D100B4, #D18600, #00D11E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9EC1FF
Lighter +30%#6BA0FF
Lighter +20%#387FFF
Lighter +10%#055FFF
Darker −10%#00399E
Darker −20%#00266B
Darker −30%#001438
Darker −40%#000205
More saturated +25%#004BD1
Less saturated −25%#1A52B7

Channel breakdown

R0
G75
B209
Red0 (0%)
Green75 (29.4%)
Blue209 (82%)
Hue218.47°
Saturation (HSL)100%
Lightness40.98%
Dominant channelBlue
Hex per channelR 00 · G 4B · B D1

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Every value on this page was computed from “004bd1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.