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Recognised as Colour

#422BB3

  • #422BB3
  • Blue
  • Dark
  • Nearest: Dark blue

#422BB3 is a blue with RGB values 66, 43, 179 and HSL 250°, 61%, 44%. It is a dark colour, so white text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#422BB3#422BB3
HEX#422BB3
RGBrgb(66, 43, 179)
RGB (0–1)0.2588, 0.1686, 0.702
RGB percentages25.9%, 16.9%, 70.2%
HSLhsl(250.1, 61.3%, 43.5%)
HSV / HSBhsv(250.1, 76%, 70.2%)
CMYK63.1%, 76%, 0%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,336,563
CSS custom property--colour: #422BB3;

Brightness & contrast

Relative luminance0.06141WCAG 2.x, 0 is black and 1 is white
Perceived brightness77.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.42:1
Contrast with white9.42:1WCAG normal text: AAA
Contrast with black2.23:1WCAG normal text: Fail
Greyscale equivalent#3A3A3A
Inverted#BDD44C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004BB7no red cones; affects about 1% of men; ΔE 24.8 from the original
Deuteranopia#0041B1no green cones; the most common form, about 1% of men; ΔE 19.7 from the original
Tritanopia#00526Dno blue cones; rare, and affects men and women equally; ΔE 75.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.42:1WCAG large text: AAA
Contrast with black, large text2.23:1WCAG large text: Fail

Named colours

Dark blue · ΔE 15.2Navy · ΔE 17.1Indigo · ΔE 17.8Rebecca purple · ΔE 21.8Slate blue · ΔE 22.3Dark orchid · ΔE 23.2
Nearest named CSS colourDark blue (#00008B)ΔE 15.18, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9CB32B
Analogous#2B58B3, #862BB3
Triadic#B3422B, #2BB342
Split complementary#B3862B, #58B32B
Tetradic#B32B58, #9CB32B, #2BB386

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C4BBEF
Lighter +30%#A092E5
Lighter +20%#7C69DB
Lighter +10%#5840D1
Darker −10%#33218A
Darker −20%#241761
Darker −30%#150D38
Darker −40%#05030F
More saturated +25%#300FCF
Less saturated −25%#544797

Channel breakdown

R66
G43
B179
Red66 (25.9%)
Green43 (16.9%)
Blue179 (70.2%)
Hue250.15°
Saturation (HSL)61.26%
Lightness43.53%
Dominant channelBlue
Hex per channelR 42 · G 2B · B B3

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Every value on this page was computed from “422bb3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.