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Recognised as Colour

#4223FF

  • #4223FF
  • Blue
  • Dark
  • Nearest: Blue

#4223FF is a blue with RGB values 66, 35, 255 and HSL 248°, 100%, 57%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#4223FF#4223FF
HEX#4223FF
RGBrgb(66, 35, 255)
RGB (0–1)0.2588, 0.1373, 1
RGB percentages25.9%, 13.7%, 100%
HSLhsl(248.5, 100%, 56.9%)
HSV / HSBhsv(248.5, 86.3%, 100%)
CMYK74.1%, 86.3%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,334,591
CSS custom property--colour: #4223FF;

Brightness & contrast

Relative luminance0.0958WCAG 2.x, 0 is black and 1 is white
Perceived brightness97.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.2:1
Contrast with white7.2:1WCAG normal text: AAA
Contrast with black2.92:1WCAG normal text: Fail
Greyscale equivalent#393939
Inverted#BDDC00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0061FFno red cones; affects about 1% of men; ΔE 39.2 from the original
Deuteranopia#004DFBno green cones; the most common form, about 1% of men; ΔE 26.1 from the original
Tritanopia#006F98no blue cones; rare, and affects men and women equally; ΔE 109.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.2:1WCAG large text: AAA
Contrast with black, large text2.92:1WCAG large text: Fail

Named colours

Blue · ΔE 11.2Medium blue · ΔE 15.8Blue violet · ΔE 25.8Dark violet · ΔE 29.8Dark orchid · ΔE 41Dark blue · ΔE 44.5
Nearest named CSS colourBlue (#0000FF)ΔE 11.22, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E0FF23
Analogous#2372FF, #B023FF
Triadic#FF4223, #23FF42
Split complementary#FFB023, #72FF23
Tetradic#FF2372, #E0FF23, #23FFB0

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F1EFFF
Lighter +30%#C5BCFF
Lighter +20%#9A89FF
Lighter +10%#6E56FF
Darker −10%#2200EF
Darker −20%#1A00BC
Darker −30%#130089
Darker −40%#0C0056
More saturated +25%#4223FF
Less saturated −25%#563EE3

Channel breakdown

R66
G35
B255
Red66 (25.9%)
Green35 (13.7%)
Blue255 (100%)
Hue248.45°
Saturation (HSL)100%
Lightness56.86%
Dominant channelBlue
Hex per channelR 42 · G 23 · B FF

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Every value on this page was computed from “4223ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.