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Recognised as Colour

#004DCF

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

#004DCF is a blue with RGB values 0, 77, 207 and HSL 218°, 100%, 41%. It is a dark colour, so white text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Royal blue.

Colour values

#004DCF#004DCF
HEX#004DCF
RGBrgb(0, 77, 207)
RGB (0–1)0, 0.302, 0.8118
RGB percentages0%, 30.2%, 81.2%
HSLhsl(217.7, 100%, 40.6%)
HSV / HSBhsv(217.7, 100%, 81.2%)
CMYK100%, 62.8%, 0%, 18.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer19,919
CSS custom property--colour: #004DCF;

Brightness & contrast

Relative luminance0.09813WCAG 2.x, 0 is black and 1 is white
Perceived brightness91.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.09:1
Contrast with white7.09:1WCAG normal text: AAA
Contrast with black2.96:1WCAG normal text: Fail
Greyscale equivalent#464646
Inverted#FFB230

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0061D3no red cones; affects about 1% of men; ΔE 14.6 from the original
Deuteranopia#0050CDno green cones; the most common form, about 1% of men; ΔE 3.5 from the original
Tritanopia#007087no blue cones; rare, and affects men and women equally; ΔE 72.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.09:1WCAG large text: AAA
Contrast with black, large text2.96:1WCAG large text: Fail

Named colours

Royal blue · ΔE 14Slate blue · ΔE 16.4Medium slateblue · ΔE 18Rebecca purple · ΔE 27.1Medium purple · ΔE 28.2Dark blue · ΔE 28.9
Nearest named CSS colourRoyal blue (#4169E1)ΔE 13.95, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CF8200
Analogous#00B4CF, #1B00CF
Triadic#CF004D, #4DCF00
Split complementary#CF1B00, #B4CF00
Tetradic#CF00B4, #CF8200, #00CF1B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9CC1FF
Lighter +30%#69A1FF
Lighter +20%#3681FF
Lighter +10%#0361FF
Darker −10%#003A9C
Darker −20%#002769
Darker −30%#001436
Darker −40%#000103
More saturated +25%#004DCF
Less saturated −25%#1A54B5

Channel breakdown

R0
G77
B207
Red0 (0%)
Green77 (30.2%)
Blue207 (81.2%)
Hue217.68°
Saturation (HSL)100%
Lightness40.59%
Dominant channelBlue
Hex per channelR 00 · G 4D · B CF

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