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Recognised as Colour

#4D63E3

  • #4D63E3
  • Blue
  • Dark
  • Nearest: Royal blue

#4D63E3 is a blue with RGB values 77, 99, 227 and HSL 231°, 73%, 60%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#4D63E3#4D63E3
HEX#4D63E3
RGBrgb(77, 99, 227)
RGB (0–1)0.302, 0.3882, 0.8902
RGB percentages30.2%, 38.8%, 89%
HSLhsl(231.2, 72.8%, 59.6%)
HSV / HSBhsv(231.2, 66.1%, 89%)
CMYK66.1%, 56.4%, 0%, 11%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,071,843
CSS custom property--colour: #4D63E3;

Brightness & contrast

Relative luminance0.16048WCAG 2.x, 0 is black and 1 is white
Perceived brightness115.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.99:1
Contrast with white4.99:1WCAG normal text: AA
Contrast with black4.21:1WCAG normal text: Fail
Greyscale equivalent#686868
Inverted#B29C1C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0077E7no red cones; affects about 1% of men; ΔE 18 from the original
Deuteranopia#0069E0no green cones; the most common form, about 1% of men; ΔE 11.1 from the original
Tritanopia#008299no blue cones; rare, and affects men and women equally; ΔE 71.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.99:1WCAG large text: AAA
Contrast with black, large text4.21:1WCAG large text: AA

Named colours

Royal blue · ΔE 6.6Medium slateblue · ΔE 10.3Slate blue · ΔE 10.7Medium purple · ΔE 19.8Dodgerblue · ΔE 26Rebecca purple · ΔE 27
Nearest named CSS colourRoyal blue (#4169E1)ΔE 6.63, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E3CD4D
Analogous#4DAEE3, #824DE3
Triadic#E34D63, #63E34D
Split complementary#E3824D, #AEE34D
Tetradic#E34DAE, #E3CD4D, #4DE382

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FDFDFF
Lighter +30%#D1D7F8
Lighter +20%#A5B0F1
Lighter +10%#798AEA
Darker −10%#223DDB
Darker −20%#1B31AF
Darker −30%#152582
Darker −40%#0E1856
More saturated +25%#3351FD
Less saturated −25%#6775C9

Channel breakdown

R77
G99
B227
Red77 (30.2%)
Green99 (38.8%)
Blue227 (89%)
Hue231.2°
Saturation (HSL)72.82%
Lightness59.61%
Dominant channelBlue
Hex per channelR 4D · G 63 · B E3

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Every value on this page was computed from “4d63e3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.