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Recognised as Colour

#4242AE

  • #4242AE
  • Blue
  • Dark
  • Nearest: Slate blue

#4242AE is a blue with RGB values 66, 66, 174 and HSL 240°, 45%, 47%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#4242AE#4242AE
HEX#4242AE
RGBrgb(66, 66, 174)
RGB (0–1)0.2588, 0.2588, 0.6824
RGB percentages25.9%, 25.9%, 68.2%
HSLhsl(240, 45%, 47.1%)
HSV / HSBhsv(240, 62.1%, 68.2%)
CMYK62.1%, 62.1%, 0%, 31.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,342,446
CSS custom property--colour: #4242AE;

Brightness & contrast

Relative luminance0.08111WCAG 2.x, 0 is black and 1 is white
Perceived brightness85.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.01:1
Contrast with white8.01:1WCAG normal text: AAA
Contrast with black2.62:1WCAG normal text: Fail
Greyscale equivalent#4A4A4A
Inverted#BDBD51

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0055B2no red cones; affects about 1% of men; ΔE 17.8 from the original
Deuteranopia#004CACno green cones; the most common form, about 1% of men; ΔE 13.8 from the original
Tritanopia#005D71no 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 text8.01:1WCAG large text: AAA
Contrast with black, large text2.62:1WCAG large text: Fail

Named colours

Slate blue · ΔE 11.5Rebecca purple · ΔE 14.5Royal blue · ΔE 17Dark slateblue · ΔE 17.6Midnight blue · ΔE 20.2Medium slateblue · ΔE 21
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 11.47, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AEAE42
Analogous#4278AE, #7842AE
Triadic#AE4242, #42AE42
Split complementary#AE7842, #78AE42
Tetradic#AE4278, #AEAE42, #42AE78

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CFCFED
Lighter +30%#AAAADF
Lighter +20%#8585D1
Lighter +10%#6060C3
Darker −10%#343489
Darker −20%#262664
Darker −30%#18183F
Darker −40%#0A0A1A
More saturated +25%#2424CC
Less saturated −25%#606090

Channel breakdown

R66
G66
B174
Red66 (25.9%)
Green66 (25.9%)
Blue174 (68.2%)
Hue240°
Saturation (HSL)45%
Lightness47.06%
Dominant channelBlue
Hex per channelR 42 · G 42 · B AE

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Every value on this page was computed from “4242ae” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.