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Colour

#4D73E4

  • #4D73E4
  • Blue
  • Dark
  • Nearest: Royal blue

#4D73E4 is a blue with RGB values 77, 115, 228 and HSL 225°, 74%, 60%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#4D73E4#4D73E4
HEX#4D73E4
RGBrgb(77, 115, 228)
RGB (0–1)0.302, 0.451, 0.8941
RGB percentages30.2%, 45.1%, 89.4%
HSLhsl(224.9, 73.7%, 59.8%)
HSV / HSBhsv(224.9, 66.2%, 89.4%)
CMYK66.2%, 49.6%, 0%, 10.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,075,940
CSS custom property--colour: #4D73E4;

Brightness & contrast

Relative luminance0.19441WCAG 2.x, 0 is black and 1 is white
Perceived brightness124.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.89:1
Contrast with white4.3:1WCAG normal text: Fail
Contrast with black4.89:1WCAG normal text: AA
Greyscale equivalent#737373
Inverted#B28C1B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3381E8no red cones; affects about 1% of men; ΔE 11.4 from the original
Deuteranopia#0073E2no green cones; the most common form, about 1% of men; ΔE 7.7 from the original
Tritanopia#008DA1no blue cones; rare, and affects men and women equally; ΔE 63.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.3:1WCAG large text: AA
Contrast with black, large text4.89:1WCAG large text: AAA

Named colours

Royal blue · ΔE 6.1Slate blue · ΔE 15Dodgerblue · ΔE 15.3Medium purple · ΔE 18.4Medium slateblue · ΔE 18.7Cornflower blue · ΔE 21.1
Nearest named CSS colourRoyal blue (#4169E1)ΔE 6.13, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E4BE4D
Analogous#4DBFE4, #724DE4
Triadic#E44D73, #73E44D
Split complementary#E4724D, #BFE44D
Tetradic#E44DBF, #E4BE4D, #4DE472

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FEFEFF
Lighter +30%#D2DBF8
Lighter +20%#A6B9F1
Lighter +10%#7996EB
Darker −10%#2151DD
Darker −20%#1B40B0
Darker −30%#143084
Darker −40%#0D2058
More saturated +25%#3366FE
Less saturated −25%#6780CA

Channel breakdown

R77
G115
B228
Red77 (30.2%)
Green115 (45.1%)
Blue228 (89.4%)
Hue224.9°
Saturation (HSL)73.66%
Lightness59.8%
Dominant channelBlue
Hex per channelR 4D · G 73 · B E4

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Every value on this page was computed from “4d73e4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.