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Recognised as Colour

#3A3686

  • #3A3686
  • Blue
  • Dark
  • Nearest: Dark slateblue

#3A3686 is a blue with RGB values 58, 54, 134 and HSL 243°, 43%, 37%. It is a dark colour, so white text on it reaches 10.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3A3686#3A3686
HEX#3A3686
RGBrgb(58, 54, 134)
RGB (0–1)0.2275, 0.2118, 0.5255
RGB percentages22.7%, 21.2%, 52.5%
HSLhsl(243, 42.6%, 36.9%)
HSV / HSBhsv(243, 59.7%, 52.5%)
CMYK56.7%, 59.7%, 0%, 47.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,815,046
CSS custom property--colour: #3A3686;

Brightness & contrast

Relative luminance0.05259WCAG 2.x, 0 is black and 1 is white
Perceived brightness69 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.23:1
Contrast with white10.23:1WCAG normal text: AAA
Contrast with black2.05:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#C5C979

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004489no red cones; affects about 1% of men; ΔE 15.7 from the original
Deuteranopia#003E84no green cones; the most common form, about 1% of men; ΔE 13.6 from the original
Tritanopia#154958no blue cones; rare, and affects men and women equally; ΔE 48.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.23:1WCAG large text: AAA
Contrast with black, large text2.05:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 4.1Midnight blue · ΔE 14Rebecca purple · ΔE 18.1Slate blue · ΔE 24.5Indigo · ΔE 28.2Royal blue · ΔE 29.1
Nearest named CSS colourDark slateblue (#483D8B)ΔE 4.14, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#828636
Analogous#365A86, #623686
Triadic#863A36, #36863A
Split complementary#866236, #5A8636
Tetradic#86365A, #828636, #368662

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ADABDD
Lighter +30%#8A87CE
Lighter +20%#6762C0
Lighter +10%#4A45AA
Darker −10%#2A2762
Darker −20%#1B193D
Darker −30%#0B0A19
Darker −40%#000000
More saturated +25%#251F9E
Less saturated −25%#4F4E6F

Channel breakdown

R58
G54
B134
Red58 (22.7%)
Green54 (21.2%)
Blue134 (52.5%)
Hue243°
Saturation (HSL)42.55%
Lightness36.86%
Dominant channelBlue
Hex per channelR 3A · G 36 · B 86

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Every value on this page was computed from “3a3686” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.