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Recognised as Colour

#4949AA

  • #4949AA
  • Blue
  • Dark
  • Nearest: Dark slateblue

#4949AA is a blue with RGB values 73, 73, 170 and HSL 240°, 40%, 48%. It is a dark colour, so white text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#4949AA#4949AA
HEX#4949AA
RGBrgb(73, 73, 170)
RGB (0–1)0.2863, 0.2863, 0.6667
RGB percentages28.6%, 28.6%, 66.7%
HSLhsl(240, 39.9%, 47.6%)
HSV / HSBhsv(240, 57.1%, 66.7%)
CMYK57.1%, 57.1%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,802,986
CSS custom property--colour: #4949AA;

Brightness & contrast

Relative luminance0.09084WCAG 2.x, 0 is black and 1 is white
Perceived brightness89.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.46:1
Contrast with white7.46:1WCAG normal text: AAA
Contrast with black2.82:1WCAG normal text: Fail
Greyscale equivalent#505050
Inverted#B6B655

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0059ADno red cones; affects about 1% of men; ΔE 17.7 from the original
Deuteranopia#0051A8no green cones; the most common form, about 1% of men; ΔE 14.3 from the original
Tritanopia#136072no blue cones; rare, and affects men and women equally; ΔE 56.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.46:1WCAG large text: AAA
Contrast with black, large text2.82:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 11.8Slate blue · ΔE 13Rebecca purple · ΔE 15.4Royal blue · ΔE 17.6Medium purple · ΔE 20.6Midnight blue · ΔE 20.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 11.81, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AAAA49
Analogous#497AAA, #7A49AA
Triadic#AA4949, #49AA49
Split complementary#AA7A49, #7AAA49
Tetradic#AA497A, #AAAA49, #49AA7A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D3D3EC
Lighter +30%#AFAFDD
Lighter +20%#8C8CCD
Lighter +10%#6868BE
Darker −10%#3A3A86
Darker −20%#2A2A63
Darker −30%#1B1B3F
Darker −40%#0C0C1B
More saturated +25%#2B2BC8
Less saturated −25%#67678C

Channel breakdown

R73
G73
B170
Red73 (28.6%)
Green73 (28.6%)
Blue170 (66.7%)
Hue240°
Saturation (HSL)39.92%
Lightness47.65%
Dominant channelBlue
Hex per channelR 49 · G 49 · B AA

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Every value on this page was computed from “4949aa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.