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Recognised as Colour

#4973CE

  • #4973CE
  • Blue
  • Dark
  • Nearest: Cornflower blue

#4973CE is a blue with RGB values 73, 115, 206 and HSL 221°, 58%, 55%. It is a dark colour, so black text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#4973CE#4973CE
HEX#4973CE
RGBrgb(73, 115, 206)
RGB (0–1)0.2863, 0.451, 0.8078
RGB percentages28.6%, 45.1%, 80.8%
HSLhsl(221.1, 57.6%, 54.7%)
HSV / HSBhsv(221.1, 64.6%, 80.8%)
CMYK64.6%, 44.2%, 0%, 19.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,813,774
CSS custom property--colour: #4973CE;

Brightness & contrast

Relative luminance0.18134WCAG 2.x, 0 is black and 1 is white
Perceived brightness119.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.63:1
Contrast with white4.54:1WCAG normal text: AA
Contrast with black4.63:1WCAG normal text: AA
Greyscale equivalent#717171
Inverted#B68C31

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#487DD1no red cones; affects about 1% of men; ΔE 6.7 from the original
Deuteranopia#3270CCno green cones; the most common form, about 1% of men; ΔE 3.5 from the original
Tritanopia#008896no blue cones; rare, and affects men and women equally; ΔE 53.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.54:1WCAG large text: AAA
Contrast with black, large text4.63:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 13.5Dodgerblue · ΔE 16Royal blue · ΔE 18.2Slate blue · ΔE 22.9Medium purple · ΔE 23Dark slateblue · ΔE 24
Nearest named CSS colourCornflower blue (#6495ED)ΔE 13.49, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CEA449
Analogous#49B5CE, #6249CE
Triadic#CE4973, #73CE49
Split complementary#CE6249, #B5CE49
Tetradic#CE49B5, #CEA449, #49CE62

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EAEFF9
Lighter +30%#C2D0EE
Lighter +20%#99B1E4
Lighter +10%#7192D9
Darker −10%#305AB4
Darker −20%#26468B
Darker −30%#1B3263
Darker −40%#101E3B
More saturated +25%#2C68EB
Less saturated −25%#667EB1

Channel breakdown

R73
G115
B206
Red73 (28.6%)
Green115 (45.1%)
Blue206 (80.8%)
Hue221.05°
Saturation (HSL)57.58%
Lightness54.71%
Dominant channelBlue
Hex per channelR 49 · G 73 · B CE

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Every value on this page was computed from “4973ce” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.