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Recognised as Colour

#4D71DB

  • #4D71DB
  • Blue
  • Dark
  • Nearest: Royal blue

#4D71DB is a blue with RGB values 77, 113, 219 and HSL 225°, 66%, 58%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#4D71DB#4D71DB
HEX#4D71DB
RGBrgb(77, 113, 219)
RGB (0–1)0.302, 0.4431, 0.8588
RGB percentages30.2%, 44.3%, 85.9%
HSLhsl(224.8, 66.4%, 58%)
HSV / HSBhsv(224.8, 64.8%, 85.9%)
CMYK64.8%, 48.4%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,075,419
CSS custom property--colour: #4D71DB;

Brightness & contrast

Relative luminance0.18503WCAG 2.x, 0 is black and 1 is white
Perceived brightness121.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.7:1
Contrast with white4.47:1WCAG normal text: Fail
Contrast with black4.7:1WCAG normal text: AA
Greyscale equivalent#717171
Inverted#B28E24

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#387EDFno red cones; affects about 1% of men; ΔE 10.4 from the original
Deuteranopia#1671D9no green cones; the most common form, about 1% of men; ΔE 7.3 from the original
Tritanopia#008A9Bno blue cones; rare, and affects men and women equally; ΔE 61 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.47:1WCAG large text: AA
Contrast with black, large text4.7:1WCAG large text: AAA

Named colours

Royal blue · ΔE 9.2Dodgerblue · ΔE 15.3Slate blue · ΔE 15.9Medium purple · ΔE 18.5Cornflower blue · ΔE 18.8Medium slateblue · ΔE 21.5
Nearest named CSS colourRoyal blue (#4169E1)ΔE 9.16, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DBB74D
Analogous#4DB8DB, #704DDB
Triadic#DB4D71, #71DB4D
Split complementary#DB704D, #B8DB4D
Tetradic#DB4DB8, #DBB74D, #4DDB70

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F7F8FD
Lighter +30%#CCD7F5
Lighter +20%#A2B5EC
Lighter +10%#7793E4
Darker −10%#2952CC
Darker −20%#2141A1
Darker −30%#183077
Darker −40%#0F1F4D
More saturated +25%#3264F6
Less saturated −25%#687EC0

Channel breakdown

R77
G113
B219
Red77 (30.2%)
Green113 (44.3%)
Blue219 (85.9%)
Hue224.79°
Saturation (HSL)66.36%
Lightness58.04%
Dominant channelBlue
Hex per channelR 4D · G 71 · B DB

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Every value on this page was computed from “4d71db” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.