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Recognised as Colour

#3A3883

  • #3A3883
  • Blue
  • Dark
  • Nearest: Dark slateblue

#3A3883 is a blue with RGB values 58, 56, 131 and HSL 242°, 40%, 37%. It is a dark colour, so white text on it reaches 10.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3A3883#3A3883
HEX#3A3883
RGBrgb(58, 56, 131)
RGB (0–1)0.2275, 0.2196, 0.5137
RGB percentages22.7%, 22%, 51.4%
HSLhsl(241.6, 40.1%, 36.7%)
HSV / HSBhsv(241.6, 57.3%, 51.4%)
CMYK55.7%, 57.3%, 0%, 48.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,815,555
CSS custom property--colour: #3A3883;

Brightness & contrast

Relative luminance0.05367WCAG 2.x, 0 is black and 1 is white
Perceived brightness69.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.13:1
Contrast with white10.13:1WCAG normal text: AAA
Contrast with black2.07:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#C5C77C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#054486no red cones; affects about 1% of men; ΔE 14.3 from the original
Deuteranopia#003F81no green cones; the most common form, about 1% of men; ΔE 13.3 from the original
Tritanopia#194958no blue cones; rare, and affects men and women equally; ΔE 44.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.13:1WCAG large text: AAA
Contrast with black, large text2.07:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 4Midnight blue · ΔE 16.3Rebecca purple · ΔE 20.7Slate blue · ΔE 26.7Royal blue · ΔE 30.7Indigo · ΔE 31.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 3.99, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#818338
Analogous#385B83, #603883
Triadic#833A38, #38833A
Split complementary#836038, #5B8338
Tetradic#83385B, #818338, #388360

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ADACDB
Lighter +30%#8A88CC
Lighter +20%#6764BD
Lighter +10%#4A47A7
Darker −10%#2A295F
Darker −20%#1A193C
Darker −30%#0B0A18
Darker −40%#000000
More saturated +25%#24219A
Less saturated −25%#504F6C

Channel breakdown

R58
G56
B131
Red58 (22.7%)
Green56 (22%)
Blue131 (51.4%)
Hue241.6°
Saturation (HSL)40.11%
Lightness36.67%
Dominant channelBlue
Hex per channelR 3A · G 38 · B 83

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Every value on this page was computed from “3a3883” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.