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Recognised as Colour

#4222DF

  • #4222DF
  • Blue
  • Dark
  • Nearest: Medium blue

#4222DF is a blue with RGB values 66, 34, 223 and HSL 250°, 75%, 50%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#4222DF#4222DF
HEX#4222DF
RGBrgb(66, 34, 223)
RGB (0–1)0.2588, 0.1333, 0.8745
RGB percentages25.9%, 13.3%, 87.5%
HSLhsl(250.2, 74.7%, 50.4%)
HSV / HSBhsv(250.2, 84.8%, 87.5%)
CMYK70.4%, 84.8%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,334,303
CSS custom property--colour: #4222DF;

Brightness & contrast

Relative luminance0.0763WCAG 2.x, 0 is black and 1 is white
Perceived brightness87.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.31:1
Contrast with white8.31:1WCAG normal text: AAA
Contrast with black2.53:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#BDDD20

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0056E4no red cones; affects about 1% of men; ΔE 32.7 from the original
Deuteranopia#0046DCno green cones; the most common form, about 1% of men; ΔE 24.1 from the original
Tritanopia#006185no blue cones; rare, and affects men and women equally; ΔE 97.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.31:1WCAG large text: AAA
Contrast with black, large text2.53:1WCAG large text: Fail

Named colours

Medium blue · ΔE 9.2Blue violet · ΔE 16.9Dark violet · ΔE 22.1Blue · ΔE 24.4Dark orchid · ΔE 29.8Dark blue · ΔE 30.4
Nearest named CSS colourMedium blue (#0000CD)ΔE 9.2, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BFDF22
Analogous#2261DF, #A022DF
Triadic#DF4222, #22DF42
Split complementary#DFA022, #61DF22
Tetradic#DF2261, #BFDF22, #22DFA0

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DAD4F9
Lighter +30%#B4A8F2
Lighter +20%#8E7BEC
Lighter +10%#684FE5
Darker −10%#341AB4
Darker −20%#271487
Darker −30%#1A0D5B
Darker −40%#0D072E
More saturated +25%#2D02FF
Less saturated −25%#5742BF

Channel breakdown

R66
G34
B223
Red66 (25.9%)
Green34 (13.3%)
Blue223 (87.5%)
Hue250.16°
Saturation (HSL)74.7%
Lightness50.39%
Dominant channelBlue
Hex per channelR 42 · G 22 · B DF

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Every value on this page was computed from “4222df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.